Ibm R31 Users Manual ThinkPad R30/R31 HMM

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ThinkPad R30/R31 Hardware
Maintenance Manual

Before using this information and the product it supports,
be sure to read the general information under
“Introduction” on page 1, and “Notices” on page 228.

First Edition (September 2002)
The following paragraph does not apply to the United
Kingdom or any country where such provisions are
inconsistent with local law:
INTERNATIONAL BUSINESS MACHINES CORPORATION
PROVIDES THIS PUBLICATION ″AS IS″ WITHOUT ANY
WARRANTY OF ANY KIND, EITHER EXPRESS OR
IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
LIMITED WARRANTIES OF MERCHANTABILITY OR
FITNESS FOR A PARTICULAR PURPOSE. Some states
do not allow disclaimers or express or implied warranties in
certain transactions; therefore, this statement may not
apply to you.
This publication could include technical inaccuracies or
typographical errors. Changes are periodically made to the
information herein; these changes will be incorporated in
new editions of the publication. IBM may make
improvements or changes in the products or the programs
described in this publication at any time.
Requests for technical information about IBM products
should be made to your IBM Authorized Dealer or your
IBM Marketing Representative.
© Copyright International Business Machines
Corporation 2002. All rights reserved. Note to US
Government Users — Documentation related to restricted
rights — Use, duplication, or disclosure is subject to
restrictions set forth in GSA ADP Schedule Contract with
IBM Corp.

Preface
About this manual
This manual contains service and reference information for
IBM ThinkPad R30/R31 products. Use this manual along
with the advanced diagnostic tests to troubleshoot
problems effectively.
The manual is divided into sections as follows:
v The Introduction section provides general information,
guidelines, and safety information required to service
computers.
v The product-specific section includes service, reference,
and product-specific parts information.

Important
This manual is intended for trained servicers who
are familiar with ThinkPad products. Use this
manual along with the advanced diagnostic tests to
troubleshoot problems effectively. Before servicing
an IBM ThinkPad product, be sure to review the
safety information under “Safety Notices
(Multi-lingual Translations)” on page 3,“Safety
Information” on page 13, and “Laser Compliance
Statement” on page 17.

iii

iv

ThinkPad R30/R31 HMM

Contents
Preface .

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ThinkPad R30/R31 Hardware Maintenance Manual
Introduction . . . . . . . . . . . . .
Important Service Information. . . . . . .
Drive and Diskette Compatibility Matrix . . . .
Safety Notices (Multi-lingual Translations) . . .
Safety Information. . . . . . . . . .
Laser Compliance Statement . . . . . .
General Descriptions . . . . . . . . . .
Read this first . . . . . . . . . . . .
What to do first . . . . . . . . . .
FRU replacement notices . . . . . . . .
LCD replacement notice . . . . . . . .
Screw notices . . . . . . . . . . .
System board/LCD/Inverter replacement notice
Related service information . . . . . . . .
Power button as reset switch . . . . . .
Running a low-level format . . . . . . .
Service Web site . . . . . . . . . .
Passwords . . . . . . . . . . . .
Power management features . . . . . .
Fn key combinations . . . . . . . . .
Product recovery program . . . . . . .
Flash BIOS. . . . . . . . . . . .
Checkout guide . . . . . . . . . . .
Testing the computer . . . . . . . . .
Related service information . . . . . . .
Power systems checkout. . . . . . . .
Symptom-to-FRU Index . . . . . . . . .
Numeric Error Codes and Messages . . . .
Beep Symptoms . . . . . . . . . .
LCD-Related Symptoms . . . . . . . .
Keyboard/TrackPoint-Related Symptoms . . .
Indicator-Related Symptoms. . . . . . .
Power-Related Symptoms . . . . . . .
Memory-Related Symptom . . . . . . .
Audio-Related Symptoms . . . . . . .
PC Card (PCMCIA)-Related Symptoms . . .
Power Management-Related Symptoms . . .
Peripheral-Device-Related Symptoms . . . .
Modem-Related Symptom . . . . . . .
Operating System-Related Symptom . . . .
Intermittent Problems . . . . . . . . .
Undetermined Problems . . . . . . . .
ThinkPad R30 . . . . . . . . . . . .
Product overview . . . . . . . . . .
FRU removals and replacements . . . . .
Locations . . . . . . . . . . . .
Parts list . . . . . . . . . . . .

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v

ThinkPad R31 Part I
Product overview
FRU removals and
Locations . . .
Parts list . . .
ThinkPad R31 Part II
Product overview
FRU removals and
Locations . . .
Parts list . . .
ThinkPad R31 Part III
Product overview
Parts list . . .
Notices . . . .
Trademarks . . .

vi

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replacements
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replacements
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ThinkPad R30/R31 HMM

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214
228
229

ThinkPad R30/R31 Hardware
Maintenance Manual
Introduction
Important Service Information
Important
Diskette fixes are customer-installable. The diskette
fixes are posted on the IBM support site
http://www.pc.ibm.com/support/ .
Advise customers to contact the IBM® HelpCenter®
at 800-772-2227 if they need assistance in obtaining
or installing any diskette fixes.
Customers in Canada should call IBM® HelpCenter®
at 800-565-3344 for assistance or download
information.

FRU Replacement Strategy
Before Replacing Parts
Ensure that all diskette fixes are installed prior to
replacing any FRUs listed in this manual.
Use the following strategy to prevent unnecessary FRU
replacement and service expense:
v If you are instructed to replace a FRU and that does
not correct the problem, reinstall the original FRU
before you continue.
v Some computers have both a processor board and a
system board. If you are instructed to replace either the
processor board or the system board, and the first board
that you replaced does not correct the problem, reinstall
the original board, then replace the other (processor or
system) board.
v If an adapter or device consists of more than one FRU,
an error code may be caused by any of the FRUs.
Before replacing the adapter or device, remove the
FRUs, one by one, to see if the symptoms change.
Replace only the FRU that changed the symptoms.
v R31 : When CPU is replaced, the heat sink should be
replaced with new one also.

1

Attention: A customized setup configuration (other than
default settings) may exist on the computer you are
servicing. Running Automatic Configuration may alter those
settings. Note the current configuration settings (using the
View Configuration option) and verify that the settings are
in place when service is complete.

Hard Disk Drive Replacement Strategy
Always try to run a low-level format before replacing a hard
disk drive.
Attention: The drive startup sequence in the computer
you are servicing might have been changed. Be extremely
careful during write operations such as copying, saving, or
formatting. Data or programs can be over-written if you
select an incorrect drive.

How to Use Error Messages
Use the error codes displayed on the screen to diagnose
failures. If more than one error code is displayed, begin the
diagnosis with the first error code. The cause of the first
error code can result in false error codes being displayed.
If no error code is displayed, see if the error symptom is
listed in the Symptom-to-FRU Index for the computer you
are servicing.

How to Read POST Error Messages
POST error messages are displayed on the screen as
three, four, five, or eight digits. The error messages that
can be displayed as shorter POST messages are
highlighted in this index. Some digits will represent
different information for SCSI errors versus non-SCSI
errors.
All SCSI devices are set to a different SCSI ID. Duplicate
SCSI ID settings can generate a false error message. Use
the SCSI ID to determine whether the error message is
coming from an internal or an external device.

Drive and Diskette Compatibility Matrix
The following table provides identification information for
3.5-inch drives.
Diskette Drive

Identifying Mark

3.5-Inch - 1.44MB

1.44 on the eject button

3.5-Inch - 2.88MB

2.88 on the eject button

The following table provides compatibility information for
3.5-inch diskettes and 3.5-inch diskette drives.

2

ThinkPad R30/R31 HMM

Diskette Capacity

1.44MB Drive

2.88MB Drive

1.0MB

Read/Write

Read/Write

2.0MB

Read/Write

Read/Write

4.0MB

Not Compatible

Read/Write

Safety Notices (Multi-lingual
Translations)
In this manual, safety notices appear in English with a
page number reference to the appropriate multi-lingual,
translated safety notice found in this section.
The following safety notices are provided in English,
French, German, Italian, and Spanish.

MT 2656, 2657, 2676

3

Safety Notice 1
Before the computer is powered-on after FRU
replacement, make sure all screws, springs, or other
small parts are in place and are not left loose inside
the computer. Verify this by shaking the computer
and listening for rattling sounds. Metallic parts or
metal flakes can cause electrical shorts.
Avant de remettre l’ordinateur sous tension après
remplacement d’une unité en clientèle, vérifiez que
tous les ressorts, vis et autres pièces sont bien en
place et bien fixées. Pour ce faire, secouez l’unité et
assurez-vous qu’aucun bruit suspect ne se produit.
Des pièces métalliques ou des copeaux de métal
pourraient causer un court-circuit.
Bevor nach einem FRU-Austausch der Computer
wieder angeschlossen wird, muβ sichergestellt
werden, daβ keine Schrauben, Federn oder andere
Kleinteile fehlen oder im Gehäuse vergessen
wurden. Der Computer muβ geschüttelt und auf
Klappergeräusche geprüft werden. Metallteile oder
-splitter können Kurzschlüsse erzeugen.
Prima di accendere l’elaboratore dopo che é stata
effettuata la sostituzione di una FRU, accertarsi che
tutte le viti, le molle e tutte le altri parti di piccole
dimensioni siano nella corretta posizione e non
siano sparse all’interno dell’elaboratore. Verificare
ciò scuotendo l’elaboratore e prestando attenzione
ad eventuali rumori; eventuali parti o pezzetti
metallici possono provocare cortocircuiti pericolosi.
Antes de encender el sistema despues de sustituir
una FRU, compruebe que todos los tornillos,
muelles y demás piezas pequeñas se encuentran
en su sitio y no se encuentran sueltas dentro del
sistema. Compruébelo agitando el sistema y
escuchando los posibles ruidos que provocarían.
Las piezas metálicas pueden causar cortocircuitos
eléctricos.

4

ThinkPad R30/R31 HMM

Safety Notice 2
Some standby batteries contain a small amount of
nickel and cadmium. Do not disassemble it,
recharge it, throw it into fire or water, or short-circuit
it. Dispose of the battery as required by local
ordinances or regulations. Use only the battery in
the appropriate parts listing. Use of an incorrect
battery can result in ignition or explosion of the
battery.
Certaines batteries de secours contiennent du nickel
et du cadmium. Ne les démontez pas, ne les
rechargez pas, ne les exposez ni au feu ni à l’eau.
Ne les mettez pas en court-circuit. Pour les mettre
au rebut, conformez-vous à la réglementation en
vigueur. Lorsque vous remplacez la pile de
sauvegarde ou celle de l’horloge temps réel, veillez
à n’utiliser que les modèles cités dans la liste de
pièces détachées adéquate. Une batterie ou une
pile inappropriée risque de prendre feu ou
d’exploser.
Die Bereitschaftsbatterie, die sich unter dem
Diskettenlaufwerk befindet, kann geringe Mengen
Nickel und Cadmium enthalten. Sie darf nur durch
die Verkaufsstelle oder den IBM Kundendienst
ausgetauscht werden. Sie darf nicht zerlegt,
wiederaufgeladen, kurzgeschlossen, oder Feuer
oder Wasser ausgesetzt werden. Die Batterie kann
schwere Verbrennungen oder Verätzungen
verursachen. Bei der Entsorgung die örtlichen
Bestimmungen für Sondermüll beachten. Beim
Ersetzen der Bereitschafts- oder Systembatterie nur
Batterien des Typs verwenden, der in der
Ersatzteilliste aufgeführt ist. Der Einsatz falscher
Batterien kann zu Entzündung oder Explosion
führen.

MT 2656, 2657, 2676

5

(Continued)
Alcune batterie di riserva contengono una piccola
quantità di nichel e cadmio. Non smontarle,
ricaricarle, gettarle nel fuoco o nell’acqua né
cortocircuitarle. Smaltirle secondo la normativa in
vigore (DPR 915/82, successive disposizioni e
disposizioni locali). Quando si sostituisce la batteria
dell’RTC (real time clock) o la batteria di supporto,
utilizzare soltanto i tipi inseriti nell’appropriato
Catalogo parti. L’impiego di una batteria non adatta
potrebbe determinare l’incendio o l’esplosione della
batteria stessa.
Algunas baterías de reserva contienen una pequeña
cantidad de níquel y cadmio. No las desmonte, ni
recargue, ni las eche al fuego o al agua ni las
cortocircuite. Deséchelas tal como dispone la
normativa local. Utilice sólo baterías que se
encuentren en la lista de piezas. La utilización de
una batería no apropiada puede provocar la ignición
o explosión de la misma.

6

ThinkPad R30/R31 HMM

Safety Notice 3
The battery pack contains small amounts of nickel.
Do not disassemble it, throw it into fire or water, or
short-circuit it. Dispose of the battery pack as
required by local ordinances or regulations. Use
only the battery in the appropriate parts listing when
replacing the battery pack. Use of an incorrect
battery can result in ignition or explosion of the
battery.
La batterie contient du nickel. Ne la démontez pas,
ne l’exposez ni au feu ni à l’eau. Ne la mettez pas
en court-circuit. Pour la mettre au rebut,
conformez-vous à la réglementation en vigueur.
Lorsque vous remplacez la batterie, veillez à
n’utiliser que les modèles cités dans la liste de
pièces détachées adéquate. En effet, une batterie
inappropriée risque de prendre feu ou d’exploser.
Akkus enthalten geringe Mengen von Nickel. Sie
dürfen nicht zerlegt, wiederaufgeladen,
kurzgeschlossen, oder Feuer oder Wasser
ausgesetzt werden. Bei der Entsorgung die örtlichen
Bestimmungen für Sondermüll beachten. Beim
Ersetzen der Batterie nur Batterien des Typs
verwenden, der in der Ersatzteilliste aufgeführt ist.
Der Einsatz falscher Batterien kann zu Entzündung
oder Explosion führen.
La batteria contiene piccole quantità di nichel. Non
smontarla, gettarla nel fuoco o nell’acqua né
cortocircuitarla. Smaltirla secondo la normativa in
vigore (DPR 915/82, successive disposizioni e
disposizioni locali). Quando si sostituisce la batteria,
utilizzare soltanto i tipi inseriti nell’appropriato
Catalogo parti. L’impiego di una batteria non adatta
potrebbe determinare l’incendio o l’esplosione della
batteria stessa.
Las baterías contienen pequeñas cantidades de
níquel. No las desmonte, ni recargue, ni las eche al
fuego o al agua ni las cortocircuite. Deséchelas tal
como dispone la normativa local. Utilice sólo
baterías que se encuentren en la lista de piezas al
sustituir la batería. La utilización de una batería no
apropiada puede provocar la ignición o explosión de
la misma.

MT 2656, 2657, 2676

7

Safety Notice 4
The lithium battery can cause a fire, explosion, or
severe burn. Do not recharge it, remove its
polarized connector, disassemble it, heat it above
100°C (212°F), incinerate it, or expose its cell
contents to water. Dispose of the battery as required
by local ordinances or regulations. Use only the
battery in the appropriate parts listing. Use of an
incorrect battery can result in ignition or explosion of
the battery.
La pile de sauvegarde contient du lithium. Elle
présente des risques d’incendie, d’explosion ou de
brûlures graves. Ne la rechargez pas, ne retirez pas
son connecteur polarisé et ne la démontez pas. Ne
l’exposez pas à une temperature supérieure à
100°C, ne la faites pas brûler et n’en exposez pas
le contenu à l’eau. Mettez la pile au rebut
conformément à la réglementation en vigueur. Une
pile inappropriée risque de prendre feu ou
d’exploser.
Die Systembatterie ist eine Lithiumbatterie. Sie kann
sich entzünden, explodieren oder schwere
Verbrennungen hervorrufen. Batterien dieses Typs
dürfen nicht aufgeladen, zerlegt, über 100 C erhitzt
oder verbrannt werden. Auch darf ihr Inhalt nicht mit
Wasser in Verbindung gebracht oder der zur
richtigen Polung angebrachte Verbindungsstecker
entfernt werden. Bei der Entsorgung die örtlichen
Bestimmungen für Sondermüll beachten. Beim
Ersetzen der Batterie nur Batterien des Typs
verwenden, der in der Ersatzteilliste aufgeführt ist.
Der Einsatz falscher Batterien kann zu Entzündung
oder Explosion führen.
La batteria di supporto e una batteria al litio e puo
incendiarsi, esplodere o procurare gravi ustioni.
Evitare di ricaricarla, smontarne il connettore
polarizzato, smontarla, riscaldarla ad una
temperatura superiore ai 100 gradi centigradi,
incendiarla o gettarla in acqua. Smaltirla secondo la
normativa in vigore (DPR 915/82, successive
disposizioni e disposizioni locali). L’impiego di una
batteria non adatta potrebbe determinare l’incendio
o l’esplosione della batteria stessa.

8

ThinkPad R30/R31 HMM

(Continued)
La bateria de repuesto es una bateria de litio y
puede provocar incendios, explosiones o
quemaduras graves. No la recargue, ni quite el
conector polarizado, ni la desmonte, ni caliente por
encima de los 100°C (212°F), ni la incinere ni
exponga el contenido de sus celdas al agua.
Deséchela tal como dispone la normativa local.

MT 2656, 2657, 2676

9

Safety Notice 5
If the LCD breaks and the fluid from inside the LCD
gets into your eyes or on your hands, immediately
wash the affected areas with water for at least 15
minutes. Seek medical care if any symptoms from
the fluid are present after washing.
Si le panneau d’affichage à cristaux liquides se
brise et que vous recevez dans les yeux ou sur les
mains une partie du fluide, rincez-les abondamment
pendant au moins quinze minutes. Consultez un
médecin si des symptômes persistent après le
lavage.
Die Leuchtstoffröhre im LCD-Bildschirm enthält
Quecksilber. Bei der Entsorgung die örtlichen
Bestimmungen für Sondermüll beachten. Der
LCD-Bildschirm besteht aus Glas und kann
zerbrechen, wenn er unsachgemäβ behandelt wird
oder der Computer auf den Boden fällt. Wenn der
Bildschirm beschädigt ist und die darin befindliche
Flüssigkeit in Kontakt mit Haut und Augen gerät,
sollten die betroffenen Stellen mindestens 15
Minuten mit Wasser abgespült und bei
Beschwerden anschlieβend ein Arzt aufgesucht
werden.
Nel caso che caso l’LCD si dovesse rompere ed il
liquido in esso contenuto entrasse in contatto con gli
occhi o le mani, lavare immediatamente le parti
interessate con acqua corrente per almeno 15
minuti; poi consultare un medico se i sintomi
dovessero permanere.
Si la LCD se rompe y el fluido de su interior entra
en contacto con sus ojos o sus manos, lave
inmediatamente las áreas afectadas con agua
durante 15 minutos como mínimo. Obtenga atención
medica si se presenta algún síntoma del fluido
despues de lavarse.

10

ThinkPad R30/R31 HMM

Safety Notice 6
To avoid shock, do not remove the plastic cover that
surrounds the lower portion of the inverter card.
Afin d’éviter tout risque de choc électrique, ne
retirez pas le cache en plastique protégeant la
partie inférieure de la carte d’alimentation.
Aus Sicherheitsgründen die Kunststoffabdeckung,
die den unteren Teil der Spannungswandlerplatine
umgibt, nicht entfernen.
Per evitare scosse elettriche, non rimuovere la
copertura in plastica che avvolge la parte inferiore
della scheda invertitore.
Para evitar descargas, no quite la cubierta de
plástico que rodea la parte baja de la tarjeta
invertida.

Safety Notice 7
Though main batteries have low voltage, a shorted
or grounded battery can produce enough current to
burn combustible materials or personnel.
Bien que le voltage des batteries principales soit
peu élevé, le court-circuit ou la mise à la masse
d’une batterie peut produire suffisamment de
courant pour brûler des matériaux combustibles ou
causer des brûlures corporelles graves.
Obwohl Hauptbatterien eine niedrige Spannung
haben, können sie doch bei Kurzschluβ oder Erdung
genug Strom abgeben, um brennbare Materialien zu
entzünden oder Verletzungen bei Personen
hervorzurufen.
Sebbene le batterie di alimentazione siano a basso
voltaggio, una batteria in corto circuito o a massa
può fornire corrente sufficiente da bruciare materiali
combustibili o provocare ustioni ai tecnici di
manutenzione.
Aunque las baterías principales tienen un voltaje
bajo, una batería cortocircuitada o con contacto a
tierra puede producir la corriente suficiente como
para quemar material combustible o provocar
quemaduras en el personal.

MT 2656, 2657, 2676

11

Safety Notice 8
Before removing any FRU, power-off the computer,
unplug all power cords from electrical outlets,
remove the battery pack, then disconnect any
interconnecting cables.
Avant de retirer une unité remplaçable en clientèle,
mettez le système hors tension, débranchez tous
les cordons d’alimentation des socles de prise de
courant, retirez la batterie et déconnectez tous les
cordons d’interface.
Die Stromzufuhr muβ abgeschaltet, alle Stromkabel
aus der Steckdose gezogen, der Akku entfernt und
alle Verbindungskabel abgenommen sein, bevor
eine FRU entfernt wird.
Prima di rimuovere qualsiasi FRU, spegnere il
sistema, scollegare dalle prese elettriche tutti i cavi
di alimentazione, rimuovere la batteria e poi
scollegare i cavi di interconnessione.
Antes de quitar una FRU, apague el sistema,
desenchufe todos los cables de las tomas de
corriente eléctrica, quite la batería y, a continuación,
desconecte cualquier cable de conexión entre
dispositivos.

12

ThinkPad R30/R31 HMM

Safety Information
The following section contains the safety information that
you need to be familiar with before servicing an IBM
mobile computer.

General Safety
Follow these rules to ensure general safety:
v Observe good housekeeping in the area of the
machines during and after maintenance.
v When lifting any heavy object:
1. Ensure you can stand safety without slipping.
2. Distribute the weight of the object equally between
your feet.
3. Use a slow lifting force. Never move suddenly or
twist when you attempt to lift.
4. Lift by standing or by pushing up with your leg
muscles; this action removes the strain from the
muscles in your back. Do not attempt to lift any
objects that weigh more than 16 kg (35 lb) or objects
that you think are too heavy for you.
v Do not perform any action that causes hazards to the
customer, or that makes the equipment unsafe.
v Before you start the machine, ensure that other service
representatives and the customer’s personnel are not in
a hazardous position.
v Place removed covers and other parts in a safe place,
away from all personnel, while you are servicing the
machine.
v Keep your tool case away from walk areas so that other
people will not trip over it.
v Do not wear loose clothing that can be trapped in the
moving parts of a machine. Ensure that your sleeves
are fastened or rolled up above your elbows. If your hair
is long, fasten it.
v Insert the ends of your necktie or scarf inside clothing or
fasten it with a nonconductive clip, approximately 8
centimeters (3 inches) from the end.
v Do not wear jewelry, chains, metal-frame eyeglasses, or
metal fasteners for your clothing.
Attention: Metal objects are good electrical
conductors.
v Wear safety glasses when you are: hammering, drilling
soldering, cutting wire, attaching springs, using solvents,
or working in any other conditions that might be
hazardous to your eyes.
v After service, reinstall all safety shields, guards, labels,
and ground wires. Replace any safety device that is
worn or defective.
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v Reinstall all covers correctly before returning the
machine to the customer.

Electrical Safety
Observe the following rules when working on electrical
equipment.

Important
Use only approved tools and test equipment. Some
hand tools have handles covered with a soft
material that does not insulate you when working
with live electrical currents. Many customers have,
near their equipment, rubber floor mats that contain
small conductive fibers to decrease electrostatic
discharges. Do not use this type of mat to protect
yourself from electrical shock.
v Find the room emergency power-off (EPO) switch,
disconnecting switch, or electrical outlet. If an electrical
accident occurs, you can then operate the switch or
unplug the power cord quickly.
v Do not work alone under hazardous conditions or near
equipment that has hazardous voltages.
v Disconnect all power before:
– Performing a mechanical inspection
– Working near power supplies
– Removing or installing main units
v Before you start to work on the machine, unplug the
power cord. If you cannot unplug it, ask the customer to
power-off the wall box that supplies power to the
machine and to lock the wall box in the off position.
v If you need to work on a machine that has exposed
electrical circuits, observe the following precautions:
– Ensure that another person, familiar with the
power-off controls, is near you.
Attention: Another person must be there to switch
off the power, if necessary.
– Use only one hand when working with powered-on
electrical equipment; keep the other hand in your
pocket or behind your back.
Attention: There must be a complete circuit to
cause electrical shock. By observing the above rule,
you may prevent a current from passing through your
body.
– When using testers, set the controls correctly and
use the approved probe leads and accessories for
that tester.

14

ThinkPad R30/R31 HMM

– Stand on suitable rubber mats (obtained locally, if
necessary) to insulate you from grounds such as
metal floor strips and machine frames.
Observe the special safety precautions when you work
with very high voltages; these instructions are in the
safety sections of maintenance information. Use
extreme care when measuring high voltages.
v Regularly inspect and maintain your electrical hand tools
for safe operational condition.
v Do not use worn or broken tools and testers.
v Never assume that power has been disconnected from
a circuit. First, check that it has been powered-off.
v Always look carefully for possible hazards in your work
area. Examples of these hazards are moist floors,
nongrounded power extension cables, power surges,
and missing safety grounds.
v Do not touch live electrical circuits with the reflective
surface of a plastic dental mirror. The surface is
conductive; such touching can cause personal injury and
machine damage.
v Do not service the following parts with the power on
when they are removed from their normal operating
places in a machine:
– Power supply units
– Pumps
– Blowers and fans
– Motor generators
and similar units. (This practice ensures correct
grounding of the units.)
v If an electrical accident occurs:
– Use caution; do not become a victim yourself.
– Switch off power.
– Send another person to get medical aid.

Safety Inspection Guide
The intent of this inspection guide is to assist you in
identifying potentially unsafe conditions on these products.
Each machine, as it was designed and built, had required
safety items installed to protect users and service
personnel from injury. This guide addresses only those
items. However, good judgment should be used to identify
potential safety hazards due to attachment of non-IBM
features or options not covered by this inspection guide.
If any unsafe conditions are present, you must determine
how serious the apparent hazard could be and whether

MT 2656, 2657, 2676

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you can continue without first correcting the problem.
Consider these conditions and the safety hazards they
present:
v Electrical hazards, especially primary power (primary
voltage on the frame can cause serious or fatal
electrical shock).
v Explosive hazards, such as a damaged CRT face or
bulging capacitor.
v Mechanical hazards, such as loose or missing
hardware.
The guide consists of a series of steps presented in a
checklist. Begin the checks with the power off, and the
power cord disconnected.
Checklist:
1. Check exterior covers for damage (loose, broken, or
sharp edges).
2. Power-off the computer. Disconnect the power cord.
3. Check the power cord for:
a. A third-wire ground connector in good condition.
Use a meter to measure third-wire ground
continuity for 0.1 ohm or less between the external
ground pin and frame ground.
b. The power cord should be the appropriate type as
specified in the parts listings.
c. Insulation must not be frayed or worn.
4. Remove the cover.
5. Check for any obvious non-IBM alterations. Use good
judgment as to the safety of any non-IBM alterations.
6. Check inside the unit for any obvious unsafe
conditions, such as metal filings, contamination, water
or other liquids, or signs of fire or smoke damage.
7. Check for worn, frayed, or pinched cables.
8. Check that the power-supply cover fasteners (screws
or rivets) have not been removed or tampered with.

Handling Electrostatic Discharge-Sensitive
Devices
Any computer part containing transistors or integrated
circuits ( ICs) should be considered sensitive to
electrostatic discharge (ESD). ESD damage can occur
when there is a difference in charge between objects.
Protect against ESD damage by equalizing the charge so
that the machine, the part, the work mat, and the person
handling the part are all at the same charge.

16

ThinkPad R30/R31 HMM

Notes:
1. Use product-specific ESD procedures when they
exceed the requirements noted here.
2. Make sure that the ESD protective devices you use
have been certified (ISO 9000) as fully effective.
When handling ESD-sensitive parts:
v Keep the parts in protective packages until they are
inserted into the product.
v Avoid contact with other people.
v Wear a grounded wrist strap against your skin to
eliminate static on your body.
v Prevent the part from touching your clothing. Most
clothing is insulative and retains a charge even when
you are wearing a wrist strap.
v Use the black side of a grounded work mat to provide a
static-free work surface. The mat is especially useful
when handling ESD-sensitive devices.
v Select a grounding system, such as those listed below,
to provide protection that meets the specific service
requirement.
Note: The use of a grounding system is desirable but
not required to protect against ESD damage.
– Attach the ESD ground clip to any frame ground,
ground braid, or green-wire ground.
– Use an ESD common ground or reference point
when working on a double-insulated or
battery-operated system.
– You can use coax or connector-outside shells on
these systems.
– Use the round ground-prong of the AC plug on
AC-operated computers.

Grounding Requirements
Electrical grounding of the computer is required for
operator safety and correct system function. Proper
grounding of the electrical outlet can be verified by a
certified electrician.

Laser Compliance Statement
Some IBM Personal Computer models are equipped from
the factory with a optical drive, such as CD-ROM,
DVD-ROM, CD-R/W and DVD/CD-RW combo drive.
Optical drives are also sold separately as options. The
optical drive is a laser product. The optical drive is certified
in the U.S. to conform to the requirements of the
Department of Health and Human Services 21 Code of
Federal Regulations (DHHS 21 CFR) Subchapter J for
MT 2656, 2657, 2676

17

Class 1 laser products. Elsewhere, the drive is certified to
conform to the requirements of the International
Electrotechnical Commission (IEC) 825 and CENELEC EN
60 825 for Class 1 laser products.
When an optical drive is installed, note the following.

CAUTION:
Use of controls or adjustments or performance of
procedures other than those specified herein might
result in hazardous radiation exposure.
O uso de controles, ajustes ou desempenho de
procedimentos diferentes daqueles aqui especificados
pode resultar em perigosa exposição à radiação.

Pour éviter tout risque d’exposition au rayon laser,
respectez les consignes de réglage et d’utilisation des
commandes, ainsi que les procédures décrites.
Werden Steuer- und Einstellelemente anders als hier
festgesetzt verwendet, kann gefährliche
Laserstrahlung auftreten.

L’utilizzo di controlli, regolazioni o l’esecuzione di
procedure diverse da quelle specificate possono
provocare l’esposizione a

El uso de controles o ajustes o la ejecución de
procedimientos distintos de los aquí especificados
puede provocar la exposición a radiaciones
peligrosas.

18

ThinkPad R30/R31 HMM

Opening the CD-ROM drive could result in exposure to
hazardous laser radiation. There are no serviceable parts
inside the CD-ROM drive. Do not open.
Some CD-ROM drives contain an embedded Class 3A or
Class 3B laser diode. Note the following.
DANGER
Laser radiation when open. Do not stare into the
beam, do not view directly with optical instruments,
and avoid direct exposure to the beam.
Radiação por raio laser ao abrir. Não olhe fixo no
feixe de luz, não olhe diretamente por meio de
instrumentos óticos e evite exposição direta com o
feixe de luz.

Rayonnement laser si carter ouvert. Évitez de fixer
le faisceau, de le regarder directement avec des
instruments optiques, ou de vous exposer au
rayon.
Laserstrahlung bei geöffnetem Gerät. Nicht direkt
oder über optische Instrumente in den Laserstrahl
sehen und den Strahlungsbereich meiden.
Kinyitáskor lézersugár ! Ne nézzen bele se szabad
szemmel, se optikai eszközökkel. Kerülje a
sugárnyalábbal való érintkezést !
Aprendo l’unità vengono emesse radiazioni laser.
Non fissare il fascio, non guardarlo direttamente
con strumenti ottici e evitare l’esposizione diretta al
fascio.

Radiación láser al abrir. No mire fijamente ni
examine con instrumental óptico el haz de luz.
Evite la exposición directa al haz.

MT 2656, 2657, 2676

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General Descriptions
This chapter includes descriptions for any ThinkPad model
that has the PC-Doctor DOS diagnostics program. Some
descriptions might not apply to your particular computer.

20

ThinkPad R30/R31 HMM

Read this first
Before you go to the checkout guide, be sure to read this
section.
Important Notes:
v Only certified trained personnel should service the
computer.
v Read the entire FRU service procedures before
replacing any FRUs.
v Use new nylon-coated screws when you replace
FRUs.
v Be extremely careful during write operations such
as copying, saving, or formatting. Drives in the
computer that you are servicing might have been
rearranged or the drive startup sequence might have
been altered. If you select an incorrect drive, data or
programs could be overwritten.
v Replace FRUs only for the correct model. When you
replace a FRU, make sure that the model of the
machine and FRU part number are correct by referring
to the FRU parts list.
v A FRU should not be replaced because of a single,
unreproducible failure. Single failure can occur for a
variety of reasons that have nothing to do with a
hardware defect, such as: cosmic radiation, electrostatic
discharge, or software error. FRU replacement should
be considered only when a recurring problem exists. In
this case, clear the error log and run the test again. Do
not replace FRUs if log errors do not reappear.
v Be careful not to replace a non-defective FRU.

What to do first
The servicer must include the following in the parts
exchange form or parts return form that is attached to the
returned FRU:
1. Name and phone number of servicer
2. Date of service
3. Date when part failed
4. Date of purchase
5. Failure symptoms, error codes appearing on display,
and beep symptoms
6. Procedure index and page number in which failing FRU
was detected
7. Failing FRU name and part number
8. Machine type, model number and serial number
9. Customer’s name and address
MT 2656, 2657, 2676

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Before checking problems with the computer, determine
whether the damage is covered under the warranty by
referring to the following:

Note for Warranty:
For Warranty:
During the warranty period, the customer may be
responsible for repair costs if the computer damage
was caused by misuse, accident, modification,
unsuitable physical or operating environment, or
improper maintenance by the customer. The
following list provides some common items that are
not covered under warranty and some symptoms
that may indicate the system was subjected to
stresses beyond normal use.
The following is not covered under warranty:
v LCD panel cracked by applying excessive force
or by being dropped.
v Scratched (cosmetic) parts.
v Cracked or broken plastic parts, broken latches,
broken pins, or broken connectors caused by
excessive force.
v Damage caused by liquid spilled into the system.
v Damage caused by improperly inserting a PC
Card or installation of an incompatible card.
v Damage caused by foreign material in the FDD.
v Diskette drive damage caused by pressing the
diskette drive cover or inserting diskettes with
multiple labels.
v Damaged or bent diskette drive eject button.
v CD-ROM/DVD-ROM drive damage caused by
excessive force, shock, or by being dropped.
v Fuses blown by attaching a nonsupported device.
v Forgotten computer password (making the
computer unusable).
The following symptoms might indicate damage
caused by non-warranted activities:
v Missing parts may be a symptom of unauthorized
service or modification.
v HDD spindles can become noisy if subjected to
excessive force or by being dropped.
v I9990303 errors can be caused by exposure to
strong magnetic fields.

22

ThinkPad R30/R31 HMM

FRU replacement notices
This section contains notices for removal and replacement.
Read this section carefully before replacing any FRU.

LCD replacement notice
The TFT LCD for the computer contains many thin-film
transistors (TFTs). A small number of missing, discolored,
or lighted dots (on all the time) is characteristic of TFT
LCD technology, but excessive pixel problems can cause
viewing concerns. The LCD should be replaced if the
number of missing, discolored, or lighted dots in any
background is:
v XGA : 8 or more bright dots, 8 or more dark dots, or a
total of 9 or more bright and dark dots.

Screw notices
This computer uses special nylon-coated screws with the
following characteristics:
v They maintain tight connections.
v They do not easily come loose, even with shock or
vibration.
v They need additional force to tighten.
v They should be used only once.
Do the following when you service this machine:
v Keep the screw kit (P/N 08K6560) in your tool bag.
v Always use new screws if you are instructed.
v Use a torque screwdriver if you have one.
Loose screws can cause a reliability problem. The IBM
ThinkPad computer addresses this problem with
nylon-coated screws. Tighten screws as follows:
v Plastic to plastic
Turn an additional 90 degrees after the screw head
touches the surface of the plastic part:

v Logic card to plastic
MT 2656, 2657, 2676

23

Turn an additional 180 degrees after the screw head
touches the surface of the plastic part:

v Torque driver
If you have a torque driver, refer to the ″Torque″ column
with each step.
v Make sure you use the correct screw, and tighten all
screws firmly to the torque shown in the table if you
have a torque screwdriver. Never use a screw that you
removed. Use a new one. Make sure the screws are
tightened firmly.

System board/LCD/Inverter replacement
notice
Restoring the LCD panel ID
The EEPROM on the inverter stores its supported LCD
type ID code. If you replace a LCD with one of a different
brand or use a new inverter, the ID information in the
inverter EEPROM should be updated.
Follow the steps blew to set the LCD panel ID:
1. Install the ThinkPad CE Utility Diskette and restart the
computer.
2. Select 1. LCD Panel ID Utility from the main menu.
3. Follow the instruction on screen to read current or to
set new LCD Panel ID code.
4. Restart computer : the new LCD should work normally.
Note: When you set a new LCD Panel ID and the new
LCD is not yet enabled (to function), so connect an
external CRT to see the program execution process.
CAUTION:
Make sure the new ID code you choose corresponds
with the LCD brand and type. If you write a wrong ID
into inverterm, just reboot and re-execute the program
and input the correct ID code.

24

ThinkPad R30/R31 HMM

Note: If LCD cannot display after change ID code, make
sure you write the correct ID code, or try reseating
the LCD coaxtial cable connectors.

Thermal Sensor
The system is equipped with sensors to protect against
system overheating. By setting system and processor
thermal thresholds, the system can turn on the cooling fan
or shut down automatically when temperatures reach the
defined threshold parameters.
System experiencing frequent auto sensor shutdown may
need to reset the thermal sensor threshold and execute
the fan test to ensure the normal operation of the cooling
fan.
Follow the steps below to set thermal threshold:
1. Install the ThinkPad CE Utility Diskette and restart the
computer.
2. Select 2. Thermal Sensor Utility from the main menu.
3. Select 1. Read Thermal Settingto view the original
setting or 2. Set Default Thermal Settingto restore the
default setting.

UUID
The Universal Unique Identifier (UUID) is a 128–bit number
uniquely assigned to your computer at production and
stored in the EEPROM of your 24RF08. The algorithm that
generates the unique number is designed to provide
unique IDs until the year A.D. 3400. Consequently, no tow
computers in the world will have the same number.
When you replace the system board, you must set the
UUID on the new system board as follows:
1. Install the ThinkPad CE Utility Diskette and restart the
computer.
2. Select 3. UUID Data Utility from the main menu then
make a selection to read or create the UUID data.
A new UUID is created and written. If a valid UUID already
exists, it is not overwritten.

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Related service information
This section provides information about the following:
v “Power button as reset switch”
v “Running a low-level format”
v “Service Web site”
v “Passwords”
v “Power management features” on page 28
v “Fn key combinations” on page 30
v “Product recovery program” on page 30

Power button as reset switch
The power button acts as a reset switch when pressed for
more than 4 seconds. This resets the system (regardless
of the microcode status) and forces the power off. Use this
only when power is not completely off or the microcode is
in a hung state.

Running a low-level format
Attention: Make sure the drive address to be formatted
is correct. This procedure erases all information on the
disk.
To format the hard disk, select Utility, and then use the
Full Erase Hard Drive or Quick Erase Hard Drive in
Utility of the PC-Doctor for DOS program. Refer to “Testing
the computer” on page 34.

Service Web site
When the latest maintenance diskette and system program
service diskette are available, they are posted on:
Maintenance diskette:
http://www.pc.ibm.com/partner/infotips
System program service diskette:
http://www.pc.ibm.com/us/files.html or
http://www.pc.ibm.com/qtechinfo/TPAD-MATRIX.html

Passwords
When the power-on password (POP), hard disk password
(HDP), and supervisor password (SVP) are used, the
following situations may occur:
v If the POP is the same as the HDP, the POP prompt
appears, but the HDP prompt does not appear.
v If the POP is not the same as the HDP, both prompts
appear.
v When SVP is set, POST should invoke BIOS setup
without erasing POP. Before entering BIOS setup SVP

26

ThinkPad R30/R31 HMM

will be prompted. If correct SVP is entered, POST enters
BIOS setup without erasing POP. To boot up the system
user should override POP by SVP at the password
sub-menu.
v When SVP is not set, POST erase the POP and then
boots up the system.

Power-on passwords
Power-on password is a security feature that is used to
protect the system from unauthorized access. If power-on
password is forgotten, follow the procedure described in ″
Removing the Power-on password″.

Supervisor password
A supervisor password (SVP) protects the system
information stored in the IBM BIOS Setup Utility . The SVP
must be entered in order to access the IBM BIOS Setup
Utility and make changes to system configuration settings.
Attention: If the SVP has been forgotten and cannot be
made available to the servicer, there is no service
procedure to reset the password. The system board must
be replaced for a scheduled fee.

Removing the power-on password
If the customer forgets the power-on password, follow this
procedure to erase POP if SVP is not set:
1. Turn off the system.
2. Set DIP SW “Switch Locations” on page 193.
3. Turn on the system, and confirm the system starts
without prompting for Power-on password.
4. Turn off the system.
5.

Set DIP SW “Switch Locations” on page 193.

If SVP is set, do the followings to erase POP:
1. Power on the computer and press F1 to enter the
BIOS Utility menu.
2. Enter correct SVP (Supervisor password) at the
password prompt.

MT 2656, 2657, 2676

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3. The main screen displays as below:

4. Using the up or down arrow key, select Password.
5. Press the Enter key.
The following submenu is displayed:
* Power-On password
* Supervisor password
* Lock BIOS setting
* Hard disk x password
6. Select Power-On password and press Enter .
7. Type in correct SVP at ″Enter Current Password″
and press Enter.
8. PressEnter at ″Enter New Password″.
9. Press Enter at ″Confirm New Password″.
10. Press Enter in the Changes have been saved
window.
11. Press F10; then select Yes in the Setup confirmation
window.

Hard disk password
The hard disk password is a security feature that is used
to protect the hard disk data from unauthorized access.
Attention: If the hard disk password is forgotten, IBM
does not provide any services to reset the hard drive
password nor recover data from the hard drive. The hard
drive can be replaced for a scheduled fee.

Power management features
Power management modes are available in the computer
system to reduce power consumption and to prolong
battery life.

28

ThinkPad R30/R31 HMM

Standby mode
When in standby mode, the following occurs:
v The LCD backlight turns off.
v The hard disk motor either spins down or stops
(controlled by OS).
v Suspend LED turns on.
Events that cause the computer to enter standby mode:
Note: These events depend on the Power button, Sleep
button and Lid settings (options set to standby
mode) in the ″Advanced″ page of the ″Power
Management Properties″ screen.
v Standby requested by the Sleep button (Fn+F4)
v Standby requested by the power button
v Standby requested by closing the lid.
Events that cause the computer to exit standby mode:
v RTC alarm
v Power-on switch is operated
v Fn key is pressed
v The LCD is opened (if the system entered standby
mode from closing the lid).
Note: This is true if When I close the lid of my
portable computer: is set to Standby in the
″Advanced″ page of the ″Power Management
Properties″ screen.
v An embedded modem signals the modem ring indicator
v The battery power is at a critical level.

Display off mode
When in display off mode, the following occur:
v The LCD backlight turns off.
Events that cause the computer to enter display off mode:
v Hotkey : Fn+F3
Events that cause the computer to exit display off mode:
v Anykey or mouse operation

Hibernation mode
When in hibernation mode, the following occurs:
v The system status, RAM, VRAM, and setup data are
stored on the hard disk.
v The system is powered off.
Events that cause the computer to enter hibernation mode:

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Note: These events depend on the Power button, Sleep
button and Lid settings (options set to hibernate
mode) in the ″Advanced″ page of the ″Power
Management Properties″ screen.
v Hibernation requested by the Sleep button (Fn+F4) or
(Fn+F12)
v Hibernation requested by the power button
v Hibernation requested by closing the lid.
Events that cause the computer to exit hibernation mode:
v RTC alarm
v Power-on switch is operated
v WOL (wake on Lan)
When power is turned on, the hibernation history in the
boot record on the hard disk is recognized and the system
status is restored from the hard disk to resume operation.

Fn key combinations
The following table shows the Fn key and function key
combinations and their corresponding functions. Some of
the keys do not work if proper device drivers and utilities
are not installed.
Fn key

Function

Fn+F3

Display off

Fn+F4

Sleep button

Fn+F7

Switch display output location.

Fn+F8

Display expansion

Fn+F12

Hibernation

Fn+PageUp

Thinkpad light

Fn+Home

Brightness up

Fn+End

Brightness down

Product recovery program
Restoring the Pre-installed Software
To restore the pre-installed software, you can use either
the Product Recovery program or a Recovery CD. The
Product Recovery program is in a section of the hard disk
drive (the Service Partition) that is not displayed by
Windows Explorer. Use the Recovery CD if it was provided
with the computer.
Note: The recovery process might take up to 2 hours.
To use the Product Recovery program to restore the
pre-installed software, do the following:

30

ThinkPad R30/R31 HMM

1. Save all files and shut down the desktop.
2. Turn off the computer.
3. Turn on the computer. Quickly press F11 when this
message is displayed on the screen: ...″To start the
Product Recovery program, press F11″ .....This
message is displayed for only a few seconds.
Note: If this message does not appear, you can use a
Recovery Repair diskette to get access to the
Product Recovery program.(see“Creating a
Recovery Repair diskette” on page 32 for
instructions for making the Recovery Repair
diskette)
4. From the list displayed on the screen, select the
operating system you want to recover.
5. Select the recovery options you want, and follow the
instructions on the screen.

Creating the Service Partition
To create Service Partition and install the preloaded
system from Recovery CD, do the following;
To create Service Partition [SP]:
1. Erase all partitions on the hard-disk drive using
FDISK or similar application.
2. Boot with Recovery CD (and boot diskette if required).
3. A menu will appear stating ″Your computer
originally included a Product Recovery program ...
Reinstall the Product Recovery Program? (Y/N) [
]″.}.
Note: If the hard-disk drive contains any partitions,
you will not receive this menu - go to step 1.
4. Enter ″Y″ and Service Partition will be created and
loaded with D2D files.
Note: If you do not want to create Service Partition,
press ″N″ , and the d then go to step 8.
5. Press ″Enter″ at next window to continue.
* Service Partition will be created. System will
automatically reboot during this process.
* Recovery process will copy some files to the Service
Partition, PKUNZIP others
* Follow prompts - you may be prompted to change
CDs.
* System will reboot when complete, continue to step
6 to install preloaded system.
Install preloaded system from CD:
6. Boot with Recovery CD (and boot diskette if required)
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7. If the hard-disk drive is blank, a menu will appear
stating ″Your computer originally included a
Product Recovery program ... Reinstall the
Product Recovery Program? (Y/N) [ ]″.}.
* To install Service Partition, go to step 4.
* To preload hard-disk drive without installing Service
Partition, press ″N″.
8. If a menu appears asking which operating system to
install, highlight proper operating system and press
″″ENTER″.
9. A menu will appear stating ″Full Recovery:″. Press
″″ENTER″ to select.
10. Enter ″Y″ at the three windows which follow.
11. Follow prompts to complete Recovery.

Creating a Recovery Repair diskette
The Recovery Repair diskette is used to recover the
prompt that is needed to access the Product Recovery
program, if the prompt does not appear. Make a Recovery
Repair diskette and save it for future use.
To make a Recovery Repair diskette:
1. Shut down and turn off the computer.
2. Attach the external diskette drive to the computer.
3. At the prompt, pressF11. (The option to pressF11
appears for only a few seconds. You must press F11
quickly.) The Product Recovery program main menu
appears.
4. If you are using Windows 2000 Professional, you will
be prompted to select the appropriate operating system
setting. This menu does not appear for Windows 98
SE.
5. Select System Utilities from the main menu. Press
Enter.
6. Select Create a Recovery Repair diskette. Press Enter.
7. Follow the on-screen instructions.
8. When the process is completed, label the diskette as
the Recovery Repair diskette and save it for future use.
To use the Recovery Repair diskette:
1. Shut down and turn off the computer.
2. Attach the external diskette drive to the computer.
3. Insert the Recovery Repair diskette into the drive; then
turn on the computer.
4. Follow the on-screen instructions.

32

ThinkPad R30/R31 HMM

Flash BIOS
Please do the following to update BIOS.
To update BIOS:
1. Create the diskette image by the following command:
LOADDSKF 1FUDxxUS.DSK A:
Note: XX: Translate to appropriate number.
2. Boot from the diskette. (Please make sure already
attach AC and Battery)
3. When completed, the system is automatically turned
off.
4. Make sure there is no diskette in the diskette drive,
then turn on the computer.
5. PressF1 key into BIOS setup Utility during the boot
time.
Note: ″Press F1 for IBM BIOS Setup Utility″ message
is displayed at the lower-left area of the screen.
6. Press the F9 key to load default configuration.
7. Select Yes.
8. Press the F10 key to save default configuration.
9. Select Yes. The system will restart automatically.

MT 2656, 2657, 2676

33

Checkout guide
Use the following procedure as a guide for computer
problems.
Note: The diagnostic tests are intended to test only IBM
products. Non-IBM products, prototype cards, or
modified options can give false errors and invalid
system responses.
1. Obtain the failing symptoms in as much detail as
possible.
2. Verify the symptoms by attempting to recreate the
failure by running the diagnostic test or by repeating
the same operation.

Testing the computer
The ThinkPad computer has a test program called
PC-Doctor DOS (hereafter called PC-Doctor). You can
detect errors by running the diagnostics test of PC-Doctor.
This section is an overview on detecting the problem.
Refer to “Product overview” on page 102 for details that
depend on model-unique functions.
To run the test, do the following:
Note: In the following procedure, you can select an item
not only with the arrow keys, but also with the
TrackPoint. Instead of pressing Enter, you also can
click the left click button.
1. Insert the PC-Doctor DOS Disk into the diskette drive;
then power on the computer.
If the computer cannot be powered on, go to “Power
systems checkout” on page 36 and check the power
sources.
If an error code appears, go to “Symptom-to-FRU
Index” on page 40.
The PC-Doctor main panel appears.
2. Select Diagnostics with the arrow keys, and press
Enter.
A pull-down menu appears:
Note: The pull-down menu differs depending on the
model.
3. Run the applicable function test.
4. Follow the instructions on the screen. If there is a
problem, PC-Doctor shows some messages.
5. Reseat the cable or connector of the detected FRU
and run the test again.

34

ThinkPad R30/R31 HMM

If the error recurs, replace the FRU that caused the
error.
Note: With some FRUs, especially the system board,
the problem may be caused by peripheral
FRUs. Verify that each peripheral FRU, such as
the flexible cable, has no problem by doing the
following:
a. Replace each peripheral FRU one at a time,
and run the test again.
b. If the peripheral FRUs have no problem,
replace the main FRU itself.
To see the FRU structure of each model,
refer to “Product overview” on page 102.
6. To exit the test, select Quit – Exit Diag.
To cancel the test, press Esc.
The following table lists the options on the test menu.
Diagnostics

Interactive Tests

v Run Normal Test

v Keyboard

v Run Quick Test

v Video

v CPU/Coprocessor

v Internal Speaker

v Systemboard

v Mouse

v Video Adapter

v Joystick Test

v Serial Port

v Diskette Test

v Parallel Port

v System Load

v Fixed Disks

v CD-ROM/DVD

v Diskette Drives

v Stereo Speaker

v Other Devices
v Wireless network controller
(802.11b)
v Memory Test – Full
v Memory Test – Quick
Note: In Keyboard test within Interactive Tests, the Fn key is
scanned only once. Each key should be pressed for at least 2
seconds; otherwise, it cannot be sensed.

Related service information
PC-Doctor can detect the following system information:

Hardware Info:
v System Configuration
v Memory Contents
v Physical Disk Drive
v Logical Disk Drive
MT 2656, 2657, 2676

35

v VGA Information
v IDE Drive Information
v PCI Information
v PNPISA Information
v SMBIOS Information
v FRU Information
v VESA LCD Information

Utility:
v Run External Tests
v Surface Scan Hard Disk
v Benchmark System
v DOS Shell
v Tech Support Form
v Battery Rundown
v View Test Log
v Print Log
v Save Log
v Full Erase Hard Drive
v Quick Erase Hard Drive

Power systems checkout
To verify the symptom of the power problem on the
computer, do the following:
1. Power off the computer.
2. Remove the battery pack.
3. Connect the AC Adapter.
4. Check that power is supplied when you power on the
computer.
5. Power off the computer.
6. Disconnect the AC Adapter and install the charged
battery pack.
7. Check that power is supplied by the battery pack when
you power on the computer.
If you suspect a power problem, refer the appropriate
power supply check listed below:
v “Checking the AC Adapter”
v “Checking operational charging” on page 37
v “Checking the Battery ASM” on page 38

Checking the AC Adapter
You care here because the computer fails only when the
AC Adapter is used:

36

ThinkPad R30/R31 HMM

v If the power-on indicator does not turn on, check the
power cord of the AC Adapter for correct continuity and
installation.
v If the operational charge does not work, go to “Checking
operational charging”.
Unplug the AC Adapter cable from the computer and
measure the output voltage at the plug of the AC Adapter
cable. See the following figure:

Pin

Voltage (V dc)

1

15.5 V. - 17.0 V.

2

Ground

If the voltage is not correct, replace the AC Adapter.
If the voltage is within the range, do the following:
v Replace the system board.
v If the problems still persist, go to “Undetermined
Problems” on page 49.
Note: An audible noise from the AC Adapter does not
always indicate a defect.

Checking operational charging
To check operational charging, use a discharged battery
pack (Battery ASM) or a Battery ASM that has less than
50% of the total power remaining when installed in the
computer.
Perform operational charging. If the battery status indicator
or icon does not turn on, remove the Battery ASM and let it
return to room temperature. Reinstall the Battery ASM. If
the charge indicator or icon still does not turn on, replace
the Battery ASM.
If the charge indicator still does not turn on, replace the
system board. Then reinstall the Battery ASM. If the
reinstalled Battery ASM is not charged, go to the next
section.

MT 2656, 2657, 2676

37

Checking the Battery ASM
Note: The Battery ASM may not be able to charged when
it is hot. In that case, remove it from the computer
and leave it at room temperature for a while. After it
cools down, reinstall it and recharge it.
Do the following:
1. Power off the computer.
2. Remove the battery pack and measure the voltage
between battery terminals 1 (+) and 6 (-). See the
following figure.

1
2
6

5

4

3

Terminal

Pin No.

Description

1

1

+0 to +12.6 for LiION

2

Slit

Isolation slit

3

4

Thermistor

4

5

Battery —

+0 to +13V for NiMH

Note: Signal lines, not used in these steps, are used
for communications between the system and the
battery.
3. If the voltage is less than +11.0 V dc, the battery pack
has been discharged. Note: Recharging will take at
least 3 hours, even if the indicator does not turn on. If
the voltage is still less than +11.0 V dc after
recharging, replace the battery.
4. If the voltage is more than 8V for NiMH, 9V for LiION,
measure the resistance between battery terminals 5
and 6. The resistance must be 4 to 30K
. If the

38

ThinkPad R30/R31 HMM

resistance is not correct, replace the Battery ASM. If
the resistance is correct, replace the system board.

MT 2656, 2657, 2676

39

Symptom-to-FRU Index
The Symptom-to-FRU Index lists the symptoms and errors
and the possible causes. The most likely cause is listed
first.
Note: Perform the FRU replacement or actions in the
sequence shown in the FRU/Action columns. If a
FRU does not solve the problem, put the original
part back in the computer. Do not replace a
non-defective FRU.
This index can also be used to help you decide which
FRUs should be available when servicing a computer.
Numeric error codes show the errors detected in POST or
system operation (runtime). In the following error codes, X
can be any number.
If no codes are available, use narrative symptoms.
If the symptom, is not listed, go to “Undetermined
Problems” on page 49.
Note: For any IBM device not supported by the diagnostic
codes in this ThinkPad computer, see the manual
for that device.

Numeric Error Codes and Messages
Error
Code

Message

Meanings

Comment

0200

Failure Fixed
Disk

Fixed disk is not
working or not
configured
properly. Check
to see if fixed
disk is attached
properly. Run
setup. Find out if
the fixed-disk
type is correctly
identified.

Check whether
fixed disk is
attached
properly (e.g.
cable, jumper,
power,..). Enter
Setup to check if
the fixed disk
type is correctly
identified.

010

Memory Error
at mmmm:
nnnn

Extended
memory not
working or not
configured
properly at offset
nnnn,

Change memory
module.

40

ThinkPad R30/R31 HMM

Error
Code

Message

Meanings

Comment

0250

System battery The CMOS clock
is dead Replace battery indicator
and run SETUP shows the
battery is dead.
Replace the
battery and run
Setup to
reconfigure the
system.

Replace the
CMOS battery
and Run Setup
to reconfigure
the system.

0251

System CMOS
checksum
bad-default
configuration

System CMOS
has been
corrupted or
modified
incorrectly,
perhaps by an
application
program that
changes data
stored in CMOS.
The BIOS
installed Default
Setup Values. If
you do not want
these values,
enter Setup and
enter your own
values. If the
error persists,
check the system
battery or contact
your dealer.

Enter Setup to
configure the
system. If the
error persists,
check the
system battery.

0270

Real time clock
error

Real-Time Clock
fails BIOS
hardware test.
May require
board repair.

The mainboard
may need the
system date and
time.

0271

Check date and
time settings

BIOS found date
or time out of
range and reset
the Real-Time
Clock. May
require setting
legal date
(1991–2099).

Enter Setup to
reconfigure the
system date and
time.

MT 2656, 2657, 2676

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Error
Code

Message

Meanings

Comment

0280

Previous boot
incompleteDefault
configuration
used

Previous POST
did not complete
successfully.
POST loads
default values
and offers to run
Setup. If the
failure was
caused by
incorrect values
and they are not
corrected, the
next boot will
likely fail. On
system with
control of wait
states, improper
Setup settings
can also
teminate POST
and cause this
error on the next
boot. Run Setup
and verify that
wait-state
configuration is
correct. This
error is cleared
the next time the
system is
booted.

IBM customized
not to display
this message.

041

Floppy drive
Aerror

Drive A: or B: is
present but fails
the BIOS POST
diskette tests.
CHeck to see
that the drive is
defined with the
proper diskette
type in Setup
and that the
diskette drive is
attached corretly.

Check Floppy
drive is attached
correctly. Enter
Setup to check
the type of
floppy drive is
correct (1.44MB
3.5″, for
example).

043
Floppy drive B
error

0175

Bad CRC1,
stop POST task

EEPROM CRC1
is not correct
(block #6).

Replace planar.

0188

Invalid RFID
Serialization
Information
Area or Bad
CRC2

EEPROM
checksum is not
correct (block
#0,1).EEPROM
CRC2 is not
correct (block
#6).

Replace planar.
Box serial
number needs
to be reinstalled.

0189

Invalid RFID
Configuration
Information
Area

EEPROM
checksum is not
correct (block
#4,5).

Replace planar.
UUID needs to
be reinstalled.

42

ThinkPad R30/R31 HMM

Error
Code

Message

Meanings

Comment

0193

RF antenna had RFID antenna
been removed
has been
removed, which
was once
installed.

RFID model
only.

0194

The computer is
carried through
the security
gate

The computer is
carried through
the security gate
(portal gate).

RFID model
only.

0197

Invalid remote
change
requested

The remote
chnfiguration for
the security chip
has failed.
Confirm the
operation and try
again.

System go into
BIOS Setup
automatically.

Beep Symptoms
Event

Description

S1/S3 Beep

End Diagnostic
boot

N/A

1 short beep

Post error

N/A

3 short beeps

Low battery
warning beep

N/A

4 short beeps

POST
Diagnostic
boot

Critical
Thermal

System POST

N/A

3 long beeps

DRAM type
error

PC133 SDRAM
only

N/A

2 long beeps

Responses of
Boot Block
BIOS Flash

Success

N/A

2 long, 1 short, and
then 1 long beep

BIOS file size
mismatch

N/A

1 long, 1 short beep

BIOS file
reading error

N/A

1 long, 2 short beeps

Floppy drive not N/A
installed

2 short beeps

Inhibit bay swap Yes

Continuous 2 short, 1
long beeps .

Run Time /
Sleep state
BaySwap
alarm
AC
attach/detach
Power Control
Beep

System enters /
resume from
S1/S3/S4 state.

Volume control Volume key
beep
Up/Down

NO

1 short beep

N/A

1 short beep

N/A

1 short beep

MT 2656, 2657, 2676

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LCD-Related Symptoms
LCD FRU Replacement Notice
The TFT LCD for the computer contains many
thin-film transistors (TFTs). A small number of
missing, discolored, or lighted dots (on all the time)
is characteristic of TFT LCD technology, but
excessive pixel problems can cause viewing
concerns. The LCD should be replaced if the
number of missing, discolored, or lighted dots in any
background is:
v XGA : 8 or more bright dots, 8 or more dark dots,
or a total of 9 or more bright and dark dots.
Symptom/Error

FRU/Action in Sequence

LCD backlight does not
work.

v Keyboard (if contrast and
brightness function keys do not
work)

LCD is too dark.
LCD brightness cannot
be adjusted.

v Reseat LCD connector
v Check LCD inverter ID
v LCD Cable ASM
v LCD Inverter/LED board
(13.3″/14.1″)
v LCD
v System board

Unreadable LCD screen.
Missing pixels in
characters.

v Reseat LCD connector
v Check LCD inverter ID
v LCD Cable ASM

Abnormal screen

v LCD Inverter/LED board
(13.3″/14.1″)

Wrong color displayed.

v LCD
v System board

LCD has extra horizontal
or vertical lines
displayed.

v Check LCD inverter ID
v LCD Cable ASM
v LCD Inverter/LED board
(13.3″/14.1″)
v LCD
v System board

44

ThinkPad R30/R31 HMM

Keyboard/TrackPoint-Related
Symptoms
Symptom/Error

FRU/Action in Sequence

Keyboard (one or more
keys) doesn’t work.

v Go to “FRU tests” on page 54.
v Reseat keyboard cable.
v Keyboard
v System board

TrackPoint does not
work.

v Go to “FRU tests” on page 54.
v Reseat keyboard cable.
v Keyboard
v System board

Indicator-Related Symptoms
Symptom/Error

FRU/Action in Sequence

Indicator incorrectly
remains off or on, but
system runs correctly.

v Reseat Inveter/LED board
(13.3″/14.1″)
v Inveter/LED board (13.3″/14.1″)
v System board
v Coaxial cable

Power-Related Symptoms
Symptom/Error

FRU/Action in Sequence

Power shuts down during
operation.

v Go to “Power systems checkout” on
page 36.
v AC Adapter
v Battery assembly
v Keyboard
v System board

The system doesn’t
power on.

v Go to “Power systems checkout” on
page 36.
v AC Adapter
v Battery assembly
v Keyboard
v System board

The system doesn’t
power off.

v Go to “Power systems checkout” on
page 36.
v Hold and press the power switch
for more than 4 seconds.
v Keyboard
v System board

MT 2656, 2657, 2676

45

Symptom/Error

FRU/Action in Sequence

Battery can’t be charged.

v Go to “Power systems checkout” on
page 36.
v Battery assembly
v System board

Memory-Related Symptom
Symptom/Error

FRU/Action in Sequence

Memory count (size)
appears different from
the actual size. (The
main memory with 8MB
of VGA.)

v Go to “FRU tests” on page 54.
v Enter BIOS Utility and execute
″Load Setup Default Settings″; then
reboot the system.
v DIMM
v System board

Audio-Related Symptoms
Symptom/Error

FRU/Action in Sequence

Internal speakers make
noise or emit no sound.

v Speaker volume control
v Go to “FRU tests” on page 54.
v Speaker(s)

External speakers make
noise or emit no sound.

v Speaker volume control
v Go to “FRU tests” on page 54.
v Speaker(s)

In DOS or Windows,
multimedia programs, no
sound comes from the
computer. (Only system
beeps are heard at
power-on.)

v Speaker volume control
v Go to “FRU tests” on page 54.
v Speaker(s)

PC Card (PCMCIA)-Related Symptoms
Symptom/Error

FRU/Action in Sequence

System cannot detect the v PC Card (PCMCIA) holder
PC Card (PCMCIA)
assembly
v System board
PCMCIA slot pin is
damaged.

46

PC Card (PCMCIA) holder assembly

ThinkPad R30/R31 HMM

Power Management-Related Symptoms
Symptom/Error

FRU/Action in Sequence

The system doesn’t enter
hibernation mode.

v Go to “Hibernation mode” on
page 29.
v Boot an operating system and
press Fn+F12 and see if the
computer enters hibernation mode.
v Keyboard
v Hard disk drive connector
v Hard disk drive
v System board

The system doesn’t
resume from hibernation
mode.

v Go to “Hibernation mode” on
page 29.
v Hard disk drive connector
v Hard disk drive
v System board

The system doesn’t enter
into or resume from
sleep mode after closing
the LCD.

v Lid switch

System configuration
does not match the
installed devices.

v Enter BIOS Utility and execute
″Load Setup Default Settings″; then
reboot the system.

v System board
v Lid close action in the power
operation properties of the OS

v Reseat Hard disk/diskette/CD-ROM
drive connector.
System hangs
intermittently.

v Reseat hard disk/diskette/CD-ROM
drive connector.
v Fan ASM (go to “FRU tests” on
page 54).
v System board

Peripheral-Device-Related Symptoms
Symptom/Error

FRU/Action in Sequence

External display does not
work correctly.

v Both display mode, press Fn+F7.

Printer problems.

v Run printer self-test.

v System board

v Printer driver
v Printer cable
v Ensure that ″Parallel Port″ in the
″Config sub-menu″ menu of the
BIOS Utility is correctly set.
v System board

MT 2656, 2657, 2676

47

Symptom/Error

FRU/Action in Sequence

Parallel port device
problems.

v Device driver
v Device cable
v Device
v Ensure that ″Parallel Port″ in the
″Config sub-menu″ menu of the
BIOS Utility is correctly set.
v System board

Modem-Related Symptom
Symptom/Error

FRU/Action in Sequence

Internal modem does not
work correctly

v Go to “FRU tests” on page 54.
v Modem connector
v Modem board
v System board

Operating System-Related Symptom
Symptom/Error

FRU/Action in Sequence

Operating system not
found

v

Check that the operating system
has no failure and is installed
correctly.

v

Check the Boot device list in the
startup/Boot sub-menu is enabled
on each bootable device.

v Enter IBM BIOS Setup Utility and
see whether the hard disk drive
and the diskette drive are properly
identified.
v Reseat the hard disk drive.
v Reinstall the operating system.
v Diskette drive
v Hard disk drive
v System board

Intermittent Problems
Intermittent system hang problems can be caused by a
variety of reasons that have nothing to do with a hardware
defect, such as cosmic radiation, electronic discharge, or
software errors. FRU replacement should only be
considered when a recurring problem exists.
When analyzing on intermittent problem, do the following:

48

ThinkPad R30/R31 HMM

1. Run the diagnostic test for the system board at least
10 times.
2. If no error is detected, do not replace any FRUs.
3. If any error is detected, replace the FRU. Rerun the
test to verify that there are no more errors.

Undetermined Problems
The diagnostic tests did not identify which adapter or
device failed, which installed devices are incorrect, whether
a short circuit is suspected, or whether the system is
inoperative. Follow the procedures below to isolate the
failing FRU.
Verify that the power supply being used at the time of the
failure is operating correctly.
1. Power off the computer.
2. Check the cables, wires, and connectors for short
circuits and open circuits. Visually check them for
damage. If any problems are found, replace the FRU.
3. Remove or disconnect all of the following devices:
v Non-IBM devices
v Printer, external mouse & keyboard, and other
external devices
v Battery pack
v Hard disk drive
v CD-ROM drive/Diskette drive (optional)
v PC Card (PCMCIA)
4. Power on the computer.
5. Determine if the problem has changed.
6. If the problem does not occur again, reconnect the
removed devices one at a time until you find the failing
FRU.
7. If the problem remains, replace the following FRUs one
at a time. Do not replace a non-defective FRU.
v Hard disk drive connection board
v LCD assembly
v System board

MT 2656, 2657, 2676

49

ThinkPad R30
This section applies to the following models: 2656, 2657,
2676.

50

ThinkPad R30/R31 HMM

Product overview
The following shows an overview of the system features.
Feature

Description

Processor

Intel Pentium III Celeron processor
800/100, 900/100 MHz, 1 GHz, L2
cache

Bus architecture

Host bus 64bits/100 MHz, PCI 32
bits/33 MHz, ISA 16 bits/8.33 MHz,
PCMCIA 16 bits/33MHz, Cardbus 32
bits/32 MHz

System memory

64 MB or 128 MB base main memory
on system board PC 133
Two 144pins SODIMM slots supports
64 MB, 128MB, 256MB, and 512MB
DIMM card
Maximum frequency: PC 133
Maximum size: 1024 MB

CMOS RAM

242 bytes + 4 Kbytes

Video

Trident Cyberblade Aladdin i1 with
2D/3D Graphics accelerator.
8MB Video RAM (share with system
memory)
13.3–inch, 32 bit true colors, 1024x768
pixel TFT XGA color LCD
14.1–inch, 32 bit true colors, 1024x768
pixel TFT XGA color LCD

Audio

AC97 audio based on the Ali M1535
AC link DMA engine
16–bit audio
Internal stereo speakers

Diskette drive (optional)

External 1.44MB (3–mode), 3.5 inch
floppy drive via USB interface
(Bootable)

Hard disk drive

10GB, 15GB or 30GB, 2.5–inch
9.5mm height, E-IDE interface

CD-ROM drive

CD-ROM: 5.25–inch, 24X speed,
E-IDE interface
DVD— ROM : 8X speed
DVD/ CD— RW : 6X DVD/ 4X, 24X
CD-RW
CD-RW

Modem

Integrated CDC soft Modem based on
the Ali M1535 AC link DMA engine 56
Kbps Data/Fax Modem

MT 2656, 2657, 2676

51

Feature

Description

Ethernet (optional)

Intel 82550GY on board . It supports
10/100Mbps

IEEE 1394 (optional)

Ti TSB43AB22 1394 controller on
board
IEEE 1394.a 4–pin connector — no
cable power
100Mbps, 200Mbps and 400Mbps

PC Card (PCMCIA)

One Type I/II or Type III

I/O ports

External monitor
Speaker-out
Microphone-in
DC-in
TV-out (S-Video out)
Parallel
Two USB
IEEE 1394a (optional)
Telephone (RJ11)
LAN (RJ45, optional)

Power

72–Watt AC Adapter
6–cell Li-Ion & 8–cell NiMH Battery
Packs (Dumb Battery)

Status indicators
The system-status indicators on the computer show the
current status of your computer by their on or off states
and colors (green and orange). Each indicator is identified
with a symbol. The following shows the location and the

52

ThinkPad R30/R31 HMM

meaning of each icon:

7

6

Symbol

Color

Meaning

(1) Drive in use

Green

Data is being read from or
written to the hard disk. Do
not enter standby mode or
power off the computer
when this indicator is on.

(2) Numeric lock

Green

The numeric keypad on the
keyboard is enabled. You
enable or disable the
keypad by pressing and
holding the Shift key, and
pressing the NumLk key.
For details, see the User’s
Reference.

MT 2656, 2657, 2676

53

Symbol

Color

Meaning

(3) Caps lock

Green

Caps Lock mode is
enabled. All alphabetic
characters (A-Z) are
entered in capital letters
without the Shift key being
pressed. You enable or
disable the Caps Lock
mode by pressing the Caps
Lock key.

(4) Scroll lock

Green

Scroll Lock mode is
enabled. The Arrow keys
can be used as
screen-scroll function keys.
The cursor cannot be
moved with the Arrow
keys. Not all application
programs support this
function. You enable or
disable Scroll Lock mode by
pressing the ScrLk key.

(5) Power on

Green

The computer is
operational. This indicator is
on when the computer is
on.

(6) Battery status

Green

Enough battery power
remains for operation.

Blinking
green

The battery power charges
up to 80% full power

Blinking
orange

The battery pack needs to
be charged

Orange

The battery pack is being
charged.

Green

The computer is in standby
mode

(7) Standby mode

FRU tests
The following table shows the applicable test for each FRU
using PC-Doctor.
FRU

Applicable test

System board

1. CPU/Coprocessor (Diagnostics)
2. System board (Diagnostics)

Power

Battery (Diagnostics)

LCD unit

1. Video Adapter (Diagnostics)
2. Video (Interactive Tests)

54

ThinkPad R30/R31 HMM

FRU

Applicable test

Modem

1. Make sure the modem set up
correctly.
2. Replacing the modem jack and
modem card one at a time, run the
modem tests in Other Devices
(Diagnostics)

Audio

Internal Speaker (Interactive Tests)
Stereo Speaker (Interactive Tests)

Speaker

System beeper: Internal Speaker
(Interactive Tests)

PC Card slots

System board (Diagnostics)

Keyboard

1. Keyboard (Diagnostics)
2. Keyboard (Interactive Tests)

TrackPont or Pointing
device

If the TrackPoint does not work, see if an
external PS/2 mouse is connected to the
mouse/keyboard connector and remove
it. The TrackPoint is automatically
disabled if an external PS/2 mouse is
attached. Check also if the TrackPoint
driver is correctly installed by accessing
Windows Device Manager via the System
icon in the Control Panel.
After you use the TrackPoint, the pointer
drifts on the screen for a short time. This
self-acting pointer movement can occur
when a slight, steady pressure is applied
to the TrackPoint pointer. This symptom
is not a hardware problem. No service
actions are necessary if the pointer
movement stops in a short period of time.
If this does not correct the TrackPoint
problem, continue with the following:
Mouse (Interactive Tests).

Hard disk drive

Fixed Disks (Diagnostics)

CD-ROM drive

CD-ROM, DVD, CD-RW, DVD/CD-RW
(Interactive Tests)

Memory

1. If a DIMM is installed, remove it and
run Memory Test-Quick (Diagnostics)
2. If the problem does not recur, replace
the DIMM and run the test again.
3. If the test does not detect the error,
run Memory Test-Full (Diagnostics)

Fan

1. Power on system and check the air
turbulence at the louver at the rear of
the computer.
2. Run the fan test in Other Devices
(Diagnostics).

MT 2656, 2657, 2676

55

FRU removals and replacements
This section contains information about removals and
replacements.
v Do not damage any parts. Only certified and trained
personnel should service the computer.
v The arrows in this section show the direction of
movement to remove a FRU, or to turn a screw to
release the FRU. The arrows are marked in numeric
order, in square callout, to show the correct sequence of
removal.
v Any FRUs that must be removed before removing the
failing FRU are listed at the top of the page.
v To replace a FRU, reverse the removal procedure and
follow any notes that pertain to replacement. See
“Locations” on page 84 for internal cable connections
and arrangement information.
v When replacing a FRU, use the correct screw size, as
shown in the procedure.

Safety Notice 1
Translations in ″Safety Notices (Multi-lingual
Translations)″ section: Before the computer is
powered-on after FRU replacement, make sure all
screws, springs, or other small parts are in place
and are not left loose inside the computer. Verify
this by shaking the computer and listening for
rattling sounds. Metallic parts or metal flakes can
cause electrical shorts.

Safety Notice 3
Translations in ″Safety Notices (Multi-lingual
Translations)″ section: The battery pack contains
small amounts of nickel. Do not disassemble it,
throw it into fire or water, or short-circuit it. Dispose
of the battery pack as required by local ordinances
or regulations. Use only the battery in the
appropriate parts listing when replacing the battery
pack. Use of an incorrect battery can result in
ignition or explosion of the battery.

56

ThinkPad R30/R31 HMM

Safety Notice 8
Translations in ″Safety Notices (Multi-lingual
Translations)″ section: Before removing any FRU,
power-off the computer, unplug all power cords from
electrical outlets, remove the battery pack, then
disconnect any interconnecting cables.
Attention: The system board is sensitive and can be
damaged by electronic discharge. Establish personal
grounding by touching a ground point with one hand before
touching these units.
An electrostatic discharge (ESD) strap (P/N: 6405959)
must be used to establish personal grounding.

1010 Battery assembly
2

1

Warning
Battery packs are capable of delivering high
currents for a significant amount of time. Do not
short the battery terminals.
CAUTION:
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type
recommended by the manufacturer. Dispose of used
batteries according to the manufacturer’s instructions.

1020 Mini-PCI cover and Mini-PCI card
v “1010 Battery assembly”

MT 2656, 2657, 2676

57

2

1

Note: The screw does not separate from the PCI cover.
3
4

Note: There are 2 cables on step 4 : The gray cable is the
main antenna and the black cable is the auxiliarey
antenna.

Note: When you install the PCI card, remember to press it
down and ensure the connection is well.

58

ThinkPad R30/R31 HMM

1030 Memory cover and Memory card
v “1010 Battery assembly” on page 57

2
1

Note: The screw does not separate from the memory
cover.

3

To install the memory card:
With the notched end of the memory card toward the right
side of the socket, insert the memory card, at an angle of
approximately 20°, into the socket; then press it firmly.

MT 2656, 2657, 2676

59

Pivot the memory card until it snaps into place.

Side View

1040 Hard disk drive assembly
v “1010 Battery assembly” on page 57

1

2
Step

Size (Quantity)

Color

Torque

1

M3 x L4 (1)

Black

3.2 kgf-cm

60

ThinkPad R30/R31 HMM

Warning
Do not drop or apply any shock to the hard disk
drive. The hard disk drive is sensitive to physical
shock. Incorrect handling can cause damage and
permanent loss of data on the drive.
Before removing the drive, have the user make a
backup copy of all the information on the drive if
possible.
Never remove the drive while the system is
operating or is in suspend mode.

1050 CD-ROM assembly
v “1010 Battery assembly” on page 57

1
2

3

1060 Keyboard
v “1010 Battery assembly” on page 57

MT 2656, 2657, 2676

61

1

Step

Size (Quantity)

Color

Torque

1

M2.5 x L10 (2)

Black

3.2 kgf-cm

2

4
3

3

62

ThinkPad R30/R31 HMM

Notes:
1. When replacing the keyboard, make sure that the cable
is clean and insert it directly into the connector, making
sure it makes contact with the bottom of the connector.
2. If the cable do not touch the bottom of the connector,
the keyboard function will be rendered useless.
3. The cable of the keyboard are fragile and could be
damaged. Be careful when pulling out the cable.

1070 Backup battery
v “1010 Battery assembly” on page 57
v “1060 Keyboard” on page 61

CAUTION:
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type
recommended by the manufacturer. Dispose of used
batteries according to manufacturer’s instruction.

Safety Notice 4
Translation in ″Safety Notices: Multi-lingual
Translations″ section: The backup battery is a
lithium battery and can cause a fire, an explosion, or
severe burns. Do not recharge it, remove its
polarized connector, disassemble it, heat it above
100°C (212°F), incinerate it, or expose its cell
contents to water. Dispose of the battery as required
by local ordinances or regulations. Use of an
incorrect battery can result in ignition or explosion of
the battery. Replacement batteries can be ordered
from IBM or IBM Authorized Dealers.

1080 Middle cover
v “1010 Battery assembly” on page 57
v “1060 Keyboard” on page 61
MT 2656, 2657, 2676

63

1

2

3

Step

Size (Quantity)

Color

Torque

2

M2.5 x L10 (1)

Black

3.2 kgf-cm

3

M2.5 x L10 (1)

Black

3.2 kgf-cm

64

ThinkPad R30/R31 HMM

1090 LCD assembly
v “1010 Battery assembly” on page 57
v “1060 Keyboard” on page 61
v “1080 Middle cover” on page 63
v “1020 Mini-PCI cover and Mini-PCI card” on page 57
v “1030 Memory cover and Memory card” on page 59

1

2

3

MT 2656, 2657, 2676

65

Note: Release the gray cable, which is the main antenna
from the system.

4

4

5

Step

Size (Quantity)

Color

Torque

4

M2.5 x L10 (4)

Black

3.2 kgf-cm

5

M2.5 x L5 (1)

Silver

3.2 kgf-cm

6

1100 Keyboard bezel
v “1010 Battery assembly” on page 57
v “1060 Keyboard” on page 61
v “1080 Middle cover” on page 63
v “1090 LCD assembly” on page 65

66

ThinkPad R30/R31 HMM

1

Step

Size (Quantity)

Color

Torque

1

M2.5 x L10 (7)

Black

3.2 kgf-cm

2

MT 2656, 2657, 2676

67

CAUTION:
The keyboard bezel has several latches. When
removing the keyboard bezel from the bottom cover,
gently release these latches, then raise the side of the
keyboard bezel facing the palm rest to remove it. Be
careful not to break the latches.

1110 PCMCIA holder
v “1010 Battery assembly” on page 57
v “1060 Keyboard” on page 61
v “1080 Middle cover” on page 63
v “1090 LCD assembly” on page 65
v “1100 Keyboard bezel” on page 66

1

2

Step

Size (Quantity)

Color

Torque

2

M2 x L6 (3)

Silver

1.6 kgf-cm

68

ThinkPad R30/R31 HMM

3

Note: Before removing and replacing the PCMCIA holder,
make sure that the PCMCIA cards are removed and
the eject levers are sticking out.

1120 Auxiliary Antenna
v “1010 Battery assembly” on page 57
v “1020 Mini-PCI cover and Mini-PCI card” on page 57
v “1030 Memory cover and Memory card” on page 59
v “1060 Keyboard” on page 61
v “1080 Middle cover” on page 63
v “1090 LCD assembly” on page 65
v “1100 Keyboard bezel” on page 66

1

Step

Size (Quantity)

Color

Torque

1

M2 x L4(1)

Silver

2.5 kgf-cm

MT 2656, 2657, 2676

69

1120 Speaker
v “1010 Battery assembly” on page 57
v “1060 Keyboard” on page 61
v “1080 Middle cover” on page 63
v “1090 LCD assembly” on page 65
v “1100 Keyboard bezel” on page 66

2
1

Step

Size (Quantity)

Color

Torque

2

M2.5 x L4(1)

Black

2.5 kgf-cm

1140 CPU spring
v “1010 Battery assembly” on page 57
v “1060 Keyboard” on page 61
v “1080 Middle cover” on page 63
v “1090 LCD assembly” on page 65
v “1100 Keyboard bezel” on page 66

70

ThinkPad R30/R31 HMM

1

Step

Size (Quantity)

Color

Torque

1

M2.5 x L5 (2)

Silver

3.2 kgf-cm

1150 Fan assembly
v “1010 Battery assembly” on page 57
v “1060 Keyboard” on page 61
v “1080 Middle cover” on page 63
v “1090 LCD assembly” on page 65
v “1100 Keyboard bezel” on page 66
v “1140 CPU spring” on page 70

2

1

MT 2656, 2657, 2676

71

4
3

Step

Size (Quantity)

Color

Torque

3

M2.5 x L5 (2)

Silver

3.2 kgf-cm

1160 System board
v “1010 Battery assembly” on page 57
v “1020 Mini-PCI cover and Mini-PCI card” on page 57
v “1030 Memory cover and Memory card” on page 59
v “1040 Hard disk drive assembly” on page 60
v “1050 CD-ROM assembly” on page 61
v “1060 Keyboard” on page 61
v “1080 Middle cover” on page 63
v “1090 LCD assembly” on page 65
v “1100 Keyboard bezel” on page 66
v “1120 Speaker” on page 70

72

ThinkPad R30/R31 HMM

1

Step

Size (Quantity)

Color

Torque

1

M2.5 x L10(3)

Silver

3.2 kgf-cm

Notes:
1. When removing the system board from the bottom
cover, gently raise the side of the system board facing
the rear I/O ports; then pull out the system board.

1170 Modem Cable (with Combo card)
v “1010 Battery assembly” on page 57
v “1020 Mini-PCI cover and Mini-PCI card” on page 57
v “1030 Memory cover and Memory card” on page 59
v “1040 Hard disk drive assembly” on page 60
v “1050 CD-ROM assembly” on page 61
v “1060 Keyboard” on page 61
v “1080 Middle cover” on page 63
MT 2656, 2657, 2676

73

v “1090 LCD assembly” on page 65
v “1100 Keyboard bezel” on page 66
v “1120 Speaker” on page 70
v “1160 System board” on page 72

1180 Modem Card (without Combo card)
v “1010 Battery assembly” on page 57
v “1020 Mini-PCI cover and Mini-PCI card” on page 57
v “1030 Memory cover and Memory card” on page 59
v “1060 Keyboard” on page 61
v “1080 Middle cover” on page 63
v “1090 LCD assembly” on page 65
v “1100 Keyboard bezel” on page 66

74

ThinkPad R30/R31 HMM

1

Step

Size (Quantity)

Color

Torque

1

M2.5 x L5 (2)

Silver

3.2 kgf-cm

1190 Hard disk drive bezel
v “1010 Battery assembly” on page 57
v “1020 Mini-PCI cover and Mini-PCI card” on page 57
v “1030 Memory cover and Memory card” on page 59
v “1040 Hard disk drive assembly” on page 60
v “1050 CD-ROM assembly” on page 61
v “1060 Keyboard” on page 61
v “1080 Middle cover” on page 63
v “1090 LCD assembly” on page 65
v “1100 Keyboard bezel” on page 66
v “1120 Speaker” on page 70
v “1160 System board” on page 72

MT 2656, 2657, 2676

75

1
Step

Size (Quantity)

Color

Torque

1

M2 x L6 (2)

Silver

1.6 kgf-cm

1200 CD-ROM chassis
v “1010 Battery assembly” on page 57
v “1020 Mini-PCI cover and Mini-PCI card” on page 57
v “1030 Memory cover and Memory card” on page 59
v “1040 Hard disk drive assembly” on page 60
v “1050 CD-ROM assembly” on page 61
v “1060 Keyboard” on page 61
v “1080 Middle cover” on page 63
v “1090 LCD assembly” on page 65
v “1100 Keyboard bezel” on page 66
v “1120 Speaker” on page 70
v “1150 Fan assembly” on page 71
v “1160 System board” on page 72
v “1190 Hard disk drive bezel” on page 75
v “1170 Modem Cable (with Combo card)” on page 73

76

ThinkPad R30/R31 HMM

1

2

Step

Size (Quantity)

Color

Torque

2

M2.5 x L5 (3)

Silver

3.2 kgf-cm

1210 LCD bezel assembly (13.3″)
v “1010 Battery assembly” on page 57
v “1020 Mini-PCI cover and Mini-PCI card” on page 57
v “1030 Memory cover and Memory card” on page 59
v “1060 Keyboard” on page 61
MT 2656, 2657, 2676

77

v “1080 Middle cover” on page 63
v “1090 LCD assembly” on page 65

1

2

3

Step

Size (Quantity)

Color

2

M2 x L4(2)

Silver

Torque
2.5 kgf-cm

3

M2.5 x L6(2)

Black

2.5 kgf-cm

7
4

3

6
5

3

Note: When removing the LCD, take note of the following:

78

ThinkPad R30/R31 HMM

v Be careful not to scratch the LCD bezel when
removing the screw mylars.
v The LCD bezel has several latches. Release
these latches; then remove the LCD bezel. Be
careful not to break these latches.
v Gently push the two LCD latches outward to
remove the LCD bezel.

1220 LCD Inveter (13.3″)
v “1010 Battery assembly” on page 57
v “1020 Mini-PCI cover and Mini-PCI card” on page 57
v “1030 Memory cover and Memory card” on page 59
v “1060 Keyboard” on page 61
v “1080 Middle cover” on page 63
v “1090 LCD assembly” on page 65
v “1210 LCD bezel assembly (13.3″)” on page 77

1

Step

Size (Quantity)

Color

Torque

1

M2 x L10(4)

Black

2.5 kgf-cm

1230 LED board (13.3″)
v “1010 Battery assembly” on page 57
v “1020 Mini-PCI cover and Mini-PCI card” on page 57
v “1030 Memory cover and Memory card” on page 59
v “1060 Keyboard” on page 61
v “1080 Middle cover” on page 63
v “1090 LCD assembly” on page 65
v “1210 LCD bezel assembly (13.3″)” on page 77

MT 2656, 2657, 2676

79

1
2

4

3

1240 LCD bracket hinge assembly (13.3″)
v “1010 Battery assembly” on page 57
v “1020 Mini-PCI cover and Mini-PCI card” on page 57
v “1030 Memory cover and Memory card” on page 59
v “1060 Keyboard” on page 61
v “1080 Middle cover” on page 63
v “1090 LCD assembly” on page 65
v “1210 LCD bezel assembly (13.3″)” on page 77
v “1220 LCD Inveter (13.3″)” on page 79
v “1230 LED board (13.3″)” on page 79

80

ThinkPad R30/R31 HMM

1

Step

Size (Quantity)

Color

Torque

1

M2 x L4 (4)

Silver

2.5 kgf-cm

1250 LCD FPC assembly (13.3″)
v “1010 Battery assembly” on page 57
v “1020 Mini-PCI cover and Mini-PCI card” on page 57
v “1030 Memory cover and Memory card” on page 59
v “1060 Keyboard” on page 61
v “1080 Middle cover” on page 63
v “1090 LCD assembly” on page 65
v “1210 LCD bezel assembly (13.3″)” on page 77
v “1220 LCD Inveter (13.3″)” on page 79
v “1230 LED board (13.3″)” on page 79
v “1240 LCD bracket hinge assembly (13.3″)” on page 80

MT 2656, 2657, 2676

81

1

Step

Size (Quantity)

Color

Torque

1

M2 x L4(1)

Silver

2.5 kgf-cm

2

1260 Wireless reassembly
v “1240 LCD bracket hinge assembly (13.3″)” on page 80
v “1230 LED board (13.3″)” on page 79

82

ThinkPad R30/R31 HMM

MT 2656, 2657, 2676

83

Locations
Front View

System-status indicators
Computer display
Volume & mute buttons
TrackPoint

Power button

Ultrabay plus

Rear View

Security keyhole
Power jack
Parallel port
Monitor connector
Modem connector
Ethernet connector
S-Video out connector
USB connector

Bottom View
12

1

2

11

9

3
10

4

5

9
8

7 6
10

1. Docking connector
2. Memory slot door

84

ThinkPad R30/R31 HMM

3. PC card slot
4. Stereo headphone jack
5. Microphone jack
6. Hard disk drive
7. Mini-PCI Card slot door
8. Infrared port
9. LCD latches
10. Built-in speakers
11. Battery pack
12. Battery pack latch

MT 2656, 2657, 2676

85

Switch Locations

SW3
Pin3

1

1

0

0

Boot
Block
Disabled

Boot
Block
Enabled
Pin4

1

0

Check
Password
Enabled

86

ThinkPad R30/R31 HMM

1

0

Check
Password
Disabled

Parts list
1
2

4

3

6
19

20

5

18

8
7

9

17
10

11

12
16

13
14
15
Note: The parts marked with asterisk are CRUs (customer
replaceable units.)
No.

Description

FRU No.

1

Hinge Cap

26P9722

2

Keyboard unit (“Keyboard” on page 93)

3

Middle Cover ASM WW

26P9727

4

KBD Bezel Asm. WW

46L5052

MT 2656, 2657, 2676

87

No.

Description

FRU No.

5

Antenna Kit 13.3″

26P9712

Antenna Kit 14.1″

26P9711

Antenna Aux
Antenna LCD
6

Cable Asm. kit , RJ11 and lid switch

27L0689

RJ-11 Cable for CDC board model
RJ-11 Cable mini PCI combo board
model
Lid switch Cable
7

Planar P-III 1 GHz

12P3832

Planar P-III 1 GHz w/1394

12P3836

Planar Celeron 900MHz

12P3828

Planar Celeron 800MHz w/1394

12P3824

8

FAN Asm.

26P9723

9

PCMCIA Slot

26P9724

10

HDD w/tray & screws module IBM
Assy./10 GB

08K9796*

HDD w/tray & screws module HITACHI
/10 GB

08K9798*

HDD w/tray & screws module IBM /15
GB

08K9663*

HDD w/tray & screws module HITACHI
/15 GB

08K9664*

HDD w/tray & screws module IBM /30
GB

08K9665*

HDD w/tray & screws module HITACHI
/30 GB

05K9666*

11

HDD Cover WW

26P9737

12

Lower Case w/ label WW

26P9729

Lower Case w/ label EMEA

26P9730

13

14

88

Lower Case w/ label IIPC

26P9731

Lower Case w/ label Korea

26P9732

Lower Case w/ label Taiwan

46L6338

Lower Case w/ label W/W-wireless

26P9733

Lower Case w/ label EMEA-wireless

26P9734

Lower Case w/ label IIPC-wireless

26P9735

Lower Case w/ label Korea-wireless

26P9736

Lower Case w/ label Taiwan-wireless

46L6339

Card ASM SoDIMM-64MB

19K4651*

Card ASM SoDIMM-128MB

19K4653*

Card ASM SoDIMM-256MB

19K4655*

802.11b/Modem combo card

26P8092

ThinkPad R30/R31 HMM

No.

Description

FRU No.

15

Mini-PCI / DIMM door kit

26P9739*

16

Battery Assy. (Ni-Mh)
02K6827*
Sanyo-W/W
02K6835*
Sanyo-Japan
Battery Assy. (Li-Ion)
02K6822*
Sanyo-W/W
02K6830*
Sanyo-Japan
02K6824*
Panasonic-W/W
02K6832*
Panasonic-Japan

17

Speaker Kit

02K5989

18

RTC Battery

11J8591

19

CD-ROM Module
27L3436*
TEAC
08K9545*
HLDS(LG)
DVD-ROM Module
27L4236*
HLDS(Hitachi)
CD–RW Module
27L4231*
SONY ( for WinXP)
08K9644*
TEACCD–RW / DVD Module
27L4249*
Toshiba

20

Modem CDC

26P8070

Rubber Kit

26P9742

PCMCIA screw cap* 3
rubber foot * 3
LCD bezel screw cap (W/W) *4
IEEE-1394 dummy label
IEEE-1394 icon label

MT 2656, 2657, 2676

89

No.

Description

FRU No.

Screw Kit

26P9741

HDD COIN SCREW
M/B HEX SCREW
SCREW DIMM COVER STEEL
SCREW MACH PAN NYLOK
M2.0*13 NI
BH MSN+N SCREW M2.0*6
SCREW MACH FLAT M3*2.8
SCREW HDD M3*L4
WCH MSN+CZ SCREW M2.5*5
SCREW M2.5L10B 86.9A353100
SCREW M2.5*6
SCREW M2.4 WAFER NI

LCD FRU
13.3-inch TFT:

1

3
2
3

4
5

6

7
8

90

ThinkPad R30/R31 HMM

No.

Description

FRU No.

1

13.3″ LCD Bezel

26P9715

2

LCD Panel Asm (13.3″ TFT)
11P8212
Sanyo
11P8220
LG

3

13.3″ Hinge-Bracket Asm (R,L)

26P9720

4

LCD-Invertor / LED card (for 13.3″ &
14.1″ TFT)

26P8139

5

LCD cable Asm.

27L0687

6

Antenna Kit 13.3″ LCD

26P9712

Antenna w/ 13.3″ LCD
Antenna aux
7

LCD Rear Cover Asm for 13.3″/14.1″ (
for Wireless model )

26P9709

13.3″/14.1″ LCD rear cover
13.3″/14.1″ LCDPanel W/Wireless
IBM Logo
LCD Rear Cover Asm for 13.3″/14.1″

26P9707

13.3″/14.1″ LCD rear cover
13.3″/14.1″ LCDPanel W/O Wireless
IBM Logo
8

LCD Hinge Cap

26P9722

LG/IBM Logo Kit

08K5860

for LCD Rear Cover
for KBD Bezel

MT 2656, 2657, 2676

91

14.1-inch TFT:

1

3
2
3

4
5

6

7
8
No.

Description

FRU No.

1

14.1″ LCD Bezel (for W/W)

26P9713

2

LCDPanel Asm. (14.1″ TFT)
11P8214
Hyundai
46L2356
Samsung

3

14.1″ Hinge-Bracket Asm (R,L)

26P9719

4

LCD-Invertor / LED card (for 13.3″ &
14.1″ TFT)

26P8139

5

LCD cable Asm.

27L0686

6

Antenna Kit 14.1″ LCD

26P9711

Antenna w/ 14.1″ LCD
Antenna aux
7

LCD Rear Cover Asm for 13.3″/14.1″
(for W/W)
13.3″/14.1″ LCD rear cover
13.3″/14.1″ LCDPanel W/Wireless
IBM Logo

92

ThinkPad R30/R31 HMM

26P9709

No.

Description

FRU No.

LCD Rear Cover Asm for 13.3″/14.1″
(for W/O W)

26P9707

13.3″/14.1″ LCD rear cover
13.3″/14.1″ LCDPanel W/O Wireless
IBM Logo
8

LCD Hinge Cap Asm.

26P9722

LG/IBM Logo Kit

08K5860

for LCD Rear Cover
for KBD Bezel

Keyboard
Description

Vendor

FRU No.

KBD ASM US English

NMB

12P4260*

KBD ASM Canadian French

NMB

12P4262*

KBD ASM German

NMB

12P4264*

KBD ASM UK English

NMB

12P4266*

KBD ASM French

NMB

12P4268*

KBD ASM Dutch

NMB

12P4270*

KBD ASM Swedish/Finnish

NMB

12P4272*

KBD ASM Norwegian

NMB

12P4274*

KBD ASM Danish

NMB

12P4276*

KBD ASM Italian

NMB

12P4278*

KBD ASM European Spanish

NMB

12P4280*

KBD ASM Belgian

NMB

12P4282*

KBD ASM Switzerland

NMB

12P4284*

KBD ASM Portuguese

NMB

12P4286*

KBD ASM Russian

NMB

12P4290*

KBD ASM Slovakian

NMB

12P4306*

KBD ASM Slovenian

NMB

12P4304*

KBD ASM Traditional Chinese

NMB

12P4310*

KBD ASM Turkish

NMB

12P4296*

KBD ASM Arabic

NMB

12P4288*

KBD ASM Hebrew

NMB

12P4292*

KBD ASM Polish

NMB

12P4294*

KBD ASM Czech

NMB

12P4298*

KBD ASM Hungarian

NMB

12P4300*

KBD ASM Greek

NMB

12P4302*

KBD ASM Japan

NMB

12P4308*

KBD ASM Korea

NMB

12P4312*

KBD ASM La Spanish

NMB

12P4314*

MT 2656, 2657, 2676

93

Common parts list
Tools:
Description

FRU No.

Tri-Connector Wrap Plug

72X8546

PC Test Card

35G4703

Audio Wrap Cable

66G5180

USB Parallel Test Cable

05K2580

Screwdriver Kit

95F3598

5mm Socket Wrench

05K4694

Screwdriver

27L8126

Wireless Antenna Connector Removal Tool

08K7159

ThinkPad hardware maintenance diskette
version 1.10

Note: The data may look the same with the sample hmm
but the diskette version is different.
Telephone cable:
Description

FRU No.

Telephone cable (US/C, TWN, APS, LA, BRZL)

27L0465

Telephone cable (UK, IR, NZ)

27L0442

Telephone cable (Germany)

27L0441

Telephone cable (Italy)

27L0448

Telephone cable (France)

27L0443

Telephone cable (DK, DE, PO)

27L0447

Telephone cable (SW, SU)

27L0445

Telephone cable (FI, NO, NS)

27L0446

Telephone cable (Australia)

27L0467

Telephone cable (ND, NU)

27L0444

Telephone cable (SF, SI, SG, SE)

27L0462

Telephone cable (BE, BK, BS, BD, BF)

27L0451

Telephone cable (Austria)

27L0449

Telephone cable (Spain)

27L0450

AC adapter:
Description

FRU No.

AC Adapter, 72W 3-pin (Astec)

02K6751*

AC Adapter, 72W 3-pin (Delta)

02K6754*

AC Adapter, 72W 2-pin (Delta)

02K6756*

AC Adapter, 72W 2-pin (Astec)

02K6753*

94

ThinkPad R30/R31 HMM

Power cords: IBM power cords for a specific country are
usually available only in that country.
For 2–pin power cords:
IBM power
cord part
number

Used in these countries or regions

13H5264*

Canada, U.S.A.

13H5273*

Japan

36L8870*

Argentina

49P2095*

Brazil

For 3–pin power cords:
Note: The grounded adapter is required for full MPRII
compliance. If a 3–pin power cord came with your
computer, see “Safety Information” on page 13.
IBM power
cord part
number

Used in these countries or regions

76H3514*

Australia, New Zealand

76H3516*

Taiwan, Thailand

76H3530*

Italy

76H3520*

Denmark

76H3524*

UK, Hong Kong

76H3518*

European Countries

76H3522*

South Africa, India

76H3532*

Israel

76H3535*

Korea

02K0539*

China (P.R.C.)

76H3528*

Switzerland

Recovery CD List:
Description

FRU No.

Models

Recovery CD
Eng-XP Home
(US/CA)

32P5395

2656–70U, 6AU, 60U,
50U, 3AU, 30U, 20U,
19U, 2AU

Recovery CD
Eng-XP Home
(US/CA)

32P5395

2656–70H, 6AH, 60H,
54H, 3AH, 20H, 30H:
2656–60B

Recovery CD
32P5580
Eng-XP Home (UD)

2656–60M, 20M

MT 2656, 2657, 2676

95

Recovery CD
32P5580
Eng-XP Home (UD)

2656–70A, 6AA, 60A,
54A, 3AA, 30A, 20A

Recovery CD
Eng-XP Home (CF)

32P5396

2656–6AF, 20F, 19F

Recovery CD
LA-SP-W98-XP
Home(LA)

32P5397

2656–60S, 20S, 30S

Recovery CD
LA-SP-W98-XP
Home(LA)

32P5397

2656–60X, 20X, 30X

Recovery CD
LA-BR-W98-XP
Home(BR)

32P5398

2656–60P, 20P, 30P

Recovery CD
Japan-XP Home

46P4469

2656–6AJ, 60J, 42J,
80J

Recovery CD
Traditional
Chinese-XP Home

46P6120

2656–70T, 6AT, 60T,
54T, 3AT, 30T, 20T,
80T

Recovery CD
Simplified
Chinese-XP Home

46P6122

2656–70C, 6AC, 60C,
54C, 3AC, 30C

Recovery CD
English-W98 (UD)

14P9984

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

Recovery CD
English-W98 (UD)

14P9984

2656–72A, 7BA, 62A,
55A, 3BA, 32A

Recovery CD
English-W98 (UD)

14P9984

2656–72M, 7BM,
62M, 55M, 3BM, 32M,
22M

Recovery CD
English-Win2000
(UD)

32P5332

2656–F0G, EAG,
E0G, D0G, BAG,
BOG, D3G, E2G

Recovery CD
English-Win2000
(UD)

32P5332

2656–F0A, EAA, E0A,
D1A, BAA, BOA

Recovery CD
English-Win2000
(UD)

32P5332

2656–F0M, EAM,
E0M, D1M, A0M, A1M

Recovery CD
English-W98 (US)

14P9983

2656–7BU, 62U, 3BU,
32U, 22U, 21U, 2BU

Recovery CD
English-W98 (US)

14P9983

2656–7BH, 62H,55H:
2656–62B

Recovery CD
English-Win2000
(US)

32P5331

2656–EAU, E0U,
BAU, BOU, A0U,
A1U, A2U

Recovery CD
Norway-W98 (NO)

14P9996

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

Recovery CD
Norway-Win2000
(NO)

32P5344

2656–F0G, EAG,
E0G, D0G, BAG,
BOG, D3G, E2G

Recovery CD
Netherland-W98
(NL)

14P9995

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

96

ThinkPad R30/R31 HMM

Recovery CD
NetherlandWin2000 (NL)

32P5343

2656–F0G, EAG,
E0G, D0G, BAG,
BOG, D3G, E2G

Recovery CD
Finland-W98 (FI)

14P9994

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

Recovery CD
Finland-Win2000
(FI)

23P5342

2656–F0G, EAG,
E0G, D0G, BAG,
BOG, D3G, E2G

Recovery CD
Italy-W98 (IT)

14P9993

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

Recovery CD
Italy-Win2000 (IT)

32P5341

2656–F0G, EAG,
E0G, D0G, BAG,
BOG, D3G, E2G

Recovery CD
Spanish-W98 (SP)

14P9991

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

Recovery CD
LA-Spanish-W98

14P9986

2656–62S, 22S

Recovery CD
LA-Spanish-W98

14P9986

2656–62X, 22X

Recovery CD
Spanish-Win2000

32P5339

2656–F0G, EAG,
E0G, D0G, BAG,
BOG, D3G, E2G

Recovery CD LA
Spanish-Win2000

32P5334

2656–E0S

Recovery CD LA
Spanish-Win2000

32P5334

2656–E0X

Recovery CD
14P9998
Denmark-W98 (DK)

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

Recovery CD
Denmark-Win2000
(DK)

32P5336

2656–F0G, EAG,
E0G, D0G, BAG,
BOG, D3G, E2G

Recovery CD
Sweden-W98

14P9992

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

Recovery CD
Sweden-Win2000

32P5340

2656–F0G, EAG,
E0G, D0G, BAG,
BOG, D3G, E2G

Recovery CD
French-W98 (FR)

14P9989

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

Recovery CD
Canadian
French-W98 (CF)

14P9985

2656–7FB, 22F, 21F

Recovery CD
French-Win2000
(FR)

32P5337

2656–F0G, EAG,
E0G, D0G, BAG,
BOG, D3G, E2G

Recovery CD
Canadian
French-Win2000
(CF)

32P5333

2656–EAF, A0F, A2F

MT 2656, 2657, 2676

97

Recovery CD
German-W98 (GR)

14P9990

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

Recovery CD
German-Win2000
(GR)

32P5338

2656–F0G, EAG,
E0G, D0G, BAG,
BOG, D3G, E2G

Recovery CD
Thailand-W98 (TH)

32P5307

2656–72Y, 7BY, 62Y,
55Y, 3BY, 32Y

Recovery CD
Portuguese-W98

14P9987

2656–62P, 22P

Recovery CD
PortugueseWin2000

32P5335

2656–E0P

Recovery CD
Japan-W98 (JP)

46P4465

2656–61J, 40J

Recovery CD
Japan-Win2000
(JP)

46P4467

2656–EBJ, E1J, C0J

Recovery CD T.
Chinese-W98 (TC)

46P6119

2656–7BT, 62T, 55T,
32T, 22T

Recovery CD S.
Chinese-W98 (SC)

46P6121

2656–7BC, 62C, 55C,
32C

Recovery CD
Turkey-W98 (TR)

32P5301

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

Recovery CD
Turkey-Win2000
(TR)

32P5349

2656–F0G, EAG,
E0G, D0G, BAG,
BOG, D3G, E2G

Recovery CD
Greek-W98 (GK)

32P5302

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

Recovery CD
Greek-Win2000
(GK)

32P5350

2656–F0G, EAG,
E0G, D0G, BAG,
BOG, D3G, E2G

Recovery CD
Hungary-W98 (HU)

32P5303

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

Recovery CD
Hungary-Win2000
(HU)

32P5351

2656–F0G, EAG,
E0G, D0G, BAG,
BOG, D3G, E2G

Recovery CD
Russia-W98 (RU)

32P5304

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

Recovery CD
Russia-Win2000
(RU)

32P5352

2656–F0G, EAG,
E0G, D0G, BAG,
BOG, D3G, E2G

Recovery CD
Slovenia-W98 (SI)

32P5305

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

Recovery CD
Slovakia-W98 (SK)

32P5306

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

98

ThinkPad R30/R31 HMM

Recovery CD
Polish-W98 (PO)

32P5300

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

Recovery CD
Polish-Win2000
(PO)

32P5348

2656–F0G, EAG,
E0G, D0G, BAG,
BOG, D3G, E2G

Recovery CD
Hebrew-W98 (HB)

14P9999

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

Recovery CD
Hebrew-Win2000
(HB)

32P5347

2656–F0G, EAG,
E0G, D0G, BAG,
BOG, D3G, E2G

Recovery CD
Czech-W98 (CZ)

14P9998

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

Recovery CD
Czech-Win2000
(CZ)

32P5346

2656–F0G, EAG,
E0G, D0G, BAG,
BOG, D3G, E2G

Recovery CD
Arabic
Enalbed-W98 (AR)

14P9997

2656–72G, 7BG, 62G,
52G, 3BG, 32G, 22G,
51G, 64G

Recovery CD
Arabic
Enalbed-Win2000
(AR)

32P5345

2656–F0G, EAG,
E0G, D0G, BAG,
BOG, D3G, E2G

Option Parts List
Battery charges:
Description

FRU No.

Charger Main Battery Li-Ion —W/W

02K6821

Charger Main Battery Li-Ion —Japan

02K6829

Ultrabay devices:
Description

FRU No.

CD—RW drive (SONY)

08K9617*

Diskette drive (TEAC)

08K9606*

Diskette drive (SONY)

08K9607*

SuperDisk drive (LS120 x 2)

05K9235*

SuperDisk drive (LS240)

08K9615*

ZIP—250 drive

00N8254*

2nd HDD adapter

08K6067*

Ultrabay Plus device carrier

26P9388*

Ultrabay Plus numeric keypad

19K2056*

Ultrabay Plus cradle for WorkPad c500 series

26P9389*

MT 2656, 2657, 2676

99

ThinkPad R31 Part I
This section applies to the following models: 2656-9FU,
2656-9FF, 2656-IFU, 2656-IFF, 2656-7GU, 2656-7GF,
2656-GGU, 2656-GGF, 2656-HFU, 2656-HGU-OFXP,
2656-HEU, 26560-8FT-FDD, 2656-7FS/P/X, 2656-GFM,
2656-GFS/P/X, 2656-7LC-FDD, 2656-7LH-FDD,
2656-7LK-FDD, 2656-7LS/P/X, 2656-E6U, 2656-E6M,
2656-E6A-FDD, 2656-E6C-FDD, 2656-E6S/P/X,
2656-E7U, 2656-E7M, 2656-6FU, 2656-6FF, 2656-8FJ,
2656-EKK-FDD, 2656-6FG, 2656-6GT/C/H/B-FDD,
2656-EIT/C/H-FDD, 2656-6GJ-FDD, 2656-EGJ-FDD,
2656-6HJ-FDD, 2656-75J, 2656-3PM-OFXP,
2656-66K-FDD, 2656-57K-FDD, 2656-56U/G,
2656-5CG-OFXP, 2656-56A/T/C/H/K-FDD, 2656-56F,
2656-D8G, 2656-D9G-OFXP, 2656-E8T/H-FDD,
2656-4PH-FDD-OFXP, 2656-EDG, 2656-ECG-OFXP,
2656-65G, 2656-65M/A-FDD, 2656-P4A-FDD/OFXP,
2656-65C-FDD, 2656-65H-FDD/OFXP, 2656-65S/P/X,
2656-63T/H-FDD, 2656-90K-FDD, 2656-D7K-FDD,
2656-BGM, 2656-BIM-OFXP, 2656-66J-FDD,
2656-E8J-FDD, 2656-67J-FDD, 2656-57G*2,
2656-7DC-FDD, 2656-89G-OFXP*2, 2656-D7G*2,
2656-DDG*2, 2656-5DT/C/H-FDD, 2656-D6M,
2656-5PM-OFXP, 2656-D6A-FDD, 2656-5PA-FDD/OFXP,
2656-D6T/B-FDD, 2656-HHU, 2656-HHJ-FDD, 2656-HHG,
2656-5ZG-OFXP*2, 2656-HHM, 2656-HHA/T/C/H-FDD,
2656-HHK-FDD, 2656-HHF/S/P/X, 2656-FFU,
2656-FFJ-FDD, 2656-FFG, 2656-40G*2, 2656-FFM,
2656-FFA/T/C/H-FDD, 2656-FFK-FDD, 2656-FFF/S/P/X,
2656-CJU, 2656-AGM, 2656-47J, 2656-27G,
2656-35G-OFXP, 2656-36G*2, 2656-27A/T/H/K-FDD,
2656-ABG, 2656-ADG-OFXP, 2656-BBG*2, 2656-ABM,
2656-ADM-OFXP, 2656-ABT-FDD, 2656-AAG,
2656-ACG-OFXP, 2656-BCG*2, 2656-AAM,
2656-26M-FDD, 2656-45J-FDD, 2656-C5J-FDD,
2656-48J-FDD, 2656-3FU, 2656-BFU, 2656-BEU,
2656-58S/P/X, 2656-D5S/P/X, 2656-2FG, 2656-2FS/P/X,
2656-AFU, 2656-AFG, 2656-AFS/P/X, 2656-AEU/G,
2656-25U, 2656-25F/S/P/X, 2656-A5U, 2656-AKU-OFXP,
2656-A5S/P/X, 2656-A4U, 2656-28G, 2656-31G*2,
2656-AHG, 2656-AJG*2, 2656-A9G, 2656-B2G*2,
2656-EFU, 2656-EHU-OFXP, 2656-EFJ-FDD,
2656-EFG/M, 2656-EFA/T/C/H/K-FDD, 2656-EFF/S/P/X,
2656-EEU, 2656-EEJ-FDD, 2656-EEG/M,
2656-EEA/T/C/H/K-FDD, 2656-EEF/S/P/X, 2656-J2U,
2656-J2J-FDD, 2656-J2G/M, 2656-J2A/T/C/H/K-FDD,
2656-J2F/S/P/X, 2656-J1U, 2656-J1J-FDD, 2656-J1G/M,
2656-J1A/T/C/H/K-FDD, 2656-J1F/S/P/X, 2656-E5U,
2656-E5J-FDD, 2656-E5G/M, 2656-E5A/T/C/H/K-FDD,
2656-E5F/S/P/X, 2656-E4U, 2656-E4J-FDD, 2656-E4G/M,
2656-E4A/T/C/H/K-FDD, 2656-E4F/S/P/X, 2656-K6U,
2656-K4U, 2656-K2U, 2656-K7U, 2656-K5U, 2656-K3U,

100

ThinkPad R30/R31 HMM

2656-K9J, 2656-K8J, 2656-H8U, 2656-H9U-OFXP,
2656-H7U, 2656-H4U, 2656-H5U, 2656-H6U-OFXP,
2656-FGU, 2656-FEU, 2656-F5U, 2656-F4U, 2656-M4U,
2656-L4U, 2656-99U, 2656-88U, 2656-C2G,
2656-C3G,2656-BKG, 2656-BHG, 2656-77U, 2656-AGU,
2657-FGU, 2657-FEU, 2657-F5U, 2657-F4U, 2657-J2U,
2657-J2J-FDD, 2657-J2G/M, 2657-J2A/T/C/H/K-FDD,
2657-J2F/S/P/X, 2657-J1U, 2657-J1J-FDD, 2657-J1G/M,
2657-J1A/T/C/H/K-FDD, 2657-J1F/S/P/X, 2657-E5U,
2657-E5J-FDD, 2657-E5G/M, 2657-E5A/T/C/H/K-FDD,
2657-E5F/S/P/X, 2657-E4U, 2657-E4J-FDD, 2657-E4G/M,
2657-E4A/T/C/H/K-FDD, 2657-E4F/S/P/X, 2657-MMU,
2657-MMJ-FDD, 2657-MMG/M, 2657-MMA/T/C/H/K-FDD,
2657-MMF/S/P/X, 2657-LLU, 2657-LLJ-FDD, 2657-LLG/M,
2657-LLA/T/C/H/K-FDD, 2657-LLF/S/P/X, 2657-99U,
2657-88U, 2657-77U, 2676-J2U, 2676-J2J-FDD,
2676-J2G/M, 2676-J2A/T/C/H/K-FDD, 2676-J2F/S/P/X,
2676-J1U, 2676-J1J-FDD, 2676-J1G/M,
2676-J1A/T/C/H/K-FDD, 2676-E5F/S/P/X, 2676-E5U,
2676-E5J-FDD, 2676-E5G/M, 2676-E5A/T/C/H/K-FDD,
2676-E5F/S/P/X, 2676-E4U, 2676-E4J-FDD, 2676-E4G/M,
2676-E4A/T/C/H/K-FDD, 2676-E4F/S/P/X.

MT 2656, 2657, 2676

101

Product overview
The following shows an overview of the system features.
Feature

Description

Processor

Intel Pentium III processor
1.00/1.13GHz, Intel Celeron processor
1.06GHz

Bus architecture

Host bus 64bits/133 MHz, PCI 32
bits/33 MHz, LPC 4bits/33MHz,
PCMCIA 16 bits, Cardbus 32 bits/32
MHz

System memory

128 MB or 256 MB base main memory
on system board PC 133
Two 144pins SODIMM slots supports
64 MB, 128MB, 256MB, and 512MB
DIMM cards
Frequency: PC 133
Maximum size: 1024 MB

CMOS RAM

242 bytes + 4 Kbytes

Video

Intel 830 MG with 2D/3D Graphics
accelerator.
Dynamically variable video memory
size
13.3–inch, 24 bit true colors, 1024x768
pixel TFT XGA color LCD
14.1–inch, 24 bit true colors, 1024x768
pixel TFT XGA color LCD

Audio

AC97 audio Intel
16–bit audio
Internal stereo speakers

Diskette drive (optional)

External 1.44MB (3–mode), 3.5 inch
floppy drive via USB interface
(Bootable)

Hard disk drive

10GB, 20GB, 30GB, or 40GB,
2.5–inch 9.5mm height, E-IDE
interface

CD-ROM drive

CD-ROM: 5.25–inch, 24X speed,
E-IDE interface
DVD— ROM : 8X speed
DVD/ CD— RW : 8X DVD/ CD-RW
CD-RW

Modem

Integrated CDC soft Modem 56 Kbps
Data/Fax Modem

Ethernet (optional)

LAN on motherboard . It supports
10/100Mbps

102

ThinkPad R30/R31 HMM

Feature

Description

IEEE 1394 (optional)

Ti TSB43AB21 1394 controller on
board
IEEE 1394.a 4–pin connector — no
cable power
100Mbps, 200Mbps and 400Mbps

PC Card (PCMCIA)

One Type I/II or Type III

I/O ports

External monitor
Speaker-out
Microphone-in
DC-in
TV-out (S-Video out)
Parallel
Two USBs
IEEE 1394a (Selected models only)
Telephone (RJ11)
LAN (RJ45, Selected models only)

Power

72–Watt AC Adapter
6–cell Li-Ion & 8–cell NiMH Battery
Packs (Dumb Battery)

Status indicators
The system-status indicators on the computer show the
current status of your computer by their on or off states
and colors (green and orange). Each indicator is identified
with a symbol. The following shows the location and the
meaning of each icon:

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7

6

Symbol

Color

Meaning

(1) Drive in use

Green

Data is being read from or
written to the hard disk. Do
not enter standby mode or
power off the computer
when this indicator is on.

(2) Numeric lock

Green

The numeric keypad on the
keyboard is enabled. You
enable or disable the
keypad by pressing and
holding the Shift key, and
pressing the NumLk key.
For details, see the User’s
Reference.

(3) Caps lock

Green

Caps Lock mode is
enabled. All alphabetic
characters (A-Z) are
entered in capital letters
without the Shift key being
pressed. You enable or
disable the Caps Lock
mode by pressing the Caps
Lock key.

(4) Scroll lock

Green

Scroll Lock mode is
enabled. The Arrow keys
can be used as
screen-scroll function keys.
The cursor cannot be
moved with the Arrow
keys. Not all application
programs support this
function. You enable or
disable Scroll Lock mode by
pressing the ScrLk key.

(5) Power on

Green

The computer is
operational. This indicator is
on when the computer is
on.

104

ThinkPad R30/R31 HMM

Symbol

Color

Meaning

(6) Battery status

Green

Enough battery power
remains for operation.

Blinking
green

The battery power charges
up to 80% full power

Blinking
orange

The battery pack needs to
be charged

Orange

The battery pack is being
charged.

Green

The computer is in standby
mode

(7) Standby mode

FRU tests
The following table shows the applicable test for each FRU
using PC-Doctor.
FRU

Applicable test

System board

1. CPU/Coprocessor (Diagnostics)
2. System board (Diagnostics)

Power

Battery (Diagnostics)

LCD unit

1. Video Adapter (Diagnostics)
2. Video (Interactive Tests)

Modem

1. Make sure the modem set up
correctly.
2. Replacing the modem jack and
modem card one at a time, run the
modem tests in Other Devices
(Diagnostics)

Audio

Internal Speaker (Interactive Tests)

Speaker

System beeper: Internal Speaker
(Interactive Tests)

PC Card slots

System board (Diagnostics)

Keyboard

1. Keyboard (Diagnostics)

Stereo Speaker (Interactive Tests)

2. Keyboard (Interactive Tests)

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FRU

Applicable test

TrackPont or Pointing
device

If the TrackPoint does not work, see if an
external PS/2 mouse is connected to the
mouse/keyboard connector and remove
it. The TrackPoint is automatically
disabled if an external PS/2 mouse is
attached. Check also if the TrackPoint
driver is correctly installed by accessing
Windows Device Manager via the System
icon in the Control Panel.
After you use the TrackPoint, the pointer
drifts on the screen for a short time. This
self-acting pointer movement can occur
when a slight, steady pressure is applied
to the TrackPoint pointer. This symptom
is not a hardware problem. No service
actions are necessary if the pointer
movement stops in a short period of time.
If this does not correct the TrackPoint
problem, continue with the following:
Mouse (Interactive Tests).

Hard disk drive

Fixed Disks (Diagnostics)

CD-ROM drive

CD-ROM, DVD, CD-RW, DVD/CD-RW
(Interactive Tests)

Memory

1. If a DIMM is installed, remove it and
run Memory Test-Quick (Diagnostics)
2. If the problem does not recur, replace
the DIMM and run the test again.
3. If the test does not detect the error,
run Memory Test-Full (Diagnostics)

Fan

1. Power on system and check the air
turbulence at the louver at the rear of
the computer.
2. Run the fan test in Other Devices
(Diagnostics).

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FRU removals and replacements
This section contains information about removals and
replacements.
v Do not damage any parts. Only certified and trained
personnel should service the computer.
v The arrows in this section show the direction of
movement to remove a FRU, or to turn a screw to
release the FRU. The arrows are marked in numeric
order, in square callout, to show the correct sequence of
removal.
v Any FRUs that must be removed before removing the
failing FRU are listed at the top of the page.
v To replace a FRU, reverse the removal procedure and
follow any notes that pertain to replacement. See
“Locations” on page 136 for internal cable connections
and arrangement information.
v When replacing a FRU, use the correct screw size, as
shown in the procedure.

Safety Notice 1
Translations in ″Safety Notices (Multi-lingual
Translations)″ section: Before the computer is
powered-on after FRU replacement, make sure all
screws, springs, or other small parts are in place
and are not left loose inside the computer. Verify
this by shaking the computer and listening for
rattling sounds. Metallic parts or metal flakes can
cause electrical shorts.

Safety Notice 3
Translations in ″Safety Notices (Multi-lingual
Translations)″ section: The battery pack contains
small amounts of nickel. Do not disassemble it,
throw it into fire or water, or short-circuit it. Dispose
of the battery pack as required by local ordinances
or regulations. Use only the battery in the
appropriate parts listing when replacing the battery
pack. Use of an incorrect battery can result in
ignition or explosion of the battery.

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Safety Notice 8
Translations in ″Safety Notices (Multi-lingual
Translations)″ section: Before removing any FRU,
power-off the computer, unplug all power cords from
electrical outlets, remove the battery pack, then
disconnect any interconnecting cables.
Attention: The system board is sensitive and can be
damaged by electronic discharge. Establish personal
grounding by touching a ground point with one hand before
touching these units.
An electrostatic discharge (ESD) strap (P/N: 6405959)
must be used to establish personal grounding.

1010 Battery assembly
1

2

Warning
Battery packs are capable of delivering high
currents for a significant amount of time. Do not
short the battery terminals.
CAUTION:
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type
recommended by the manufacturer. Dispose of used
batteries according to the manufacturer’s instructions.

1020 Mini-PCI cover and Mini-PCI card
v “1010 Battery assembly”

108

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2

1

Note: The screw does not separate from the PCI cover.
3
4

Note: There are 2 cables on step 4 : The gray cable is the
main antenna and the black cable is the auxiliarey
antenna.

Note: When you install the PCI card, remember to press it
down and ensure the connection is well.

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1030 Memory cover and Memory card
v “1010 Battery assembly” on page 108

2
1

Note: The screw does not separate from the memory
cover.

3

To install the memory card:
With the notched end of the memory card toward the right
side of the socket, insert the memory card, at an angle of
approximately 20°, into the socket; then press it firmly.

110

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Pivot the memory card until it snaps into place.

Side View

1040 Hard disk drive assembly
v “1010 Battery assembly” on page 108

1

2
Step

Size (Quantity)

Color

Torque

1

M3 x L4 (1)

Black

3.2 kgf-cm

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111

Warning
Do not drop or apply any shock to the hard disk
drive. The hard disk drive is sensitive to physical
shock. Incorrect handling can cause damage and
permanent loss of data on the drive.
Before removing the drive, have the user make a
backup copy of all the information on the drive if
possible.
Never remove the drive while the system is
operating or is in suspend mode.

1050 CD-ROM assembly
v “1010 Battery assembly” on page 108

1
2

3

1060 Keyboard
v “1010 Battery assembly” on page 108

112

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1

Step

Size (Quantity)

Color

Torque

1

M2.5 x L10 (2)

Black

3.2 kgf-cm

2

4
3

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113

Notes:
1. When replacing the keyboard, make sure that the cable
is clean and insert it directly into the connector, making
sure it makes contact with the bottom of the connector.
2. If the cable do not touch the bottom of the connector,
the keyboard function will be rendered useless.
3. The cable of the keyboard are fragile and could be
damaged. Be careful when pulling out the cable.

1070 Backup battery
v “1010 Battery assembly” on page 108
v “1060 Keyboard” on page 112

CAUTION:
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type
recommended by the manufacturer. Dispose of used
batteries according to manufacturer’s instruction.

Safety Notice 4
Translation in ″Safety Notices: Multi-lingual
Translations″ section: The backup battery is a
lithium battery and can cause a fire, an explosion, or
severe burns. Do not recharge it, remove its
polarized connector, disassemble it, heat it above
100°C (212°F), incinerate it, or expose its cell
contents to water. Dispose of the battery as required
by local ordinances or regulations. Use of an
incorrect battery can result in ignition or explosion of
the battery. Replacement batteries can be ordered
from IBM or IBM Authorized Dealers.

1080 Middle cover
v “1010 Battery assembly” on page 108
v “1060 Keyboard” on page 112

114

ThinkPad R30/R31 HMM

1

2

3

Step

Size (Quantity)

Color

Torque

2

M2.5 x L10 (1)

Black

3.2 kgf-cm

3

M2.5 x L10 (1)

Black

2.5 kgf-cm

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1090 LCD assembly
v “1010 Battery assembly” on page 108
v “1060 Keyboard” on page 112
v “1080 Middle cover” on page 114
v “1020 Mini-PCI cover and Mini-PCI card” on page 108
v “1030 Memory cover and Memory card” on page 110

1

2

3

116

ThinkPad R30/R31 HMM

Note: Release the gray cable, which is the main antenna
from the system.

4
4

5

Step

Size (Quantity)

Color

Torque

4

M2.5 x L10 (4)

Black

3.6 kgf-cm

5

M2.5 x L5 (1)

Silver

2.5 kgf-cm

6

1100 Keyboard bezel
v “1010 Battery assembly” on page 108
v “1060 Keyboard” on page 112
v “1080 Middle cover” on page 114
v “1090 LCD assembly” on page 116
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117

v “1070 Backup battery” on page 114

1

Step

Size (Quantity)

Color

Torque

1

M2.5 x L10 (7)

Black

3.2 kgf-cm

118

ThinkPad R30/R31 HMM

2

CAUTION:
The keyboard bezel has several latches. When
removing the keyboard bezel from the bottom cover,
gently release these latches, then raise the side of the
keyboard bezel facing the palm rest to remove it. Be
careful not to break the latches.

1110 PCMCIA holder
v “1010 Battery assembly” on page 108
v “1020 Mini-PCI cover and Mini-PCI card” on page 108
v “1030 Memory cover and Memory card” on page 110
v “1060 Keyboard” on page 112
v “1080 Middle cover” on page 114
v “1090 LCD assembly” on page 116
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 117

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1

2

Step

Size (Quantity)

Color

Torque

2

M2 x L6 (3)

Silver

1.6 kgf-cm

3

4

Note: Before removing and replacing the PCMCIA holder,
make sure that the PCMCIA cards are removed and
the eject levers are sticking out.

120

ThinkPad R30/R31 HMM

1120 Auxiliary Antenna
v “1010 Battery assembly” on page 108
v “1020 Mini-PCI cover and Mini-PCI card” on page 108
v “1030 Memory cover and Memory card” on page 110
v “1060 Keyboard” on page 112
v “1080 Middle cover” on page 114
v “1090 LCD assembly” on page 116
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 117

1

Step

Size (Quantity)

Color

Torque

1

M2.5 x L5(1)

Silver

2.5 kgf-cm

1130 Fan assembly
v “1010 Battery assembly” on page 108
v “1020 Mini-PCI cover and Mini-PCI card” on page 108
v “1030 Memory cover and Memory card” on page 110
v “1060 Keyboard” on page 112
v “1080 Middle cover” on page 114
v “1090 LCD assembly” on page 116
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 117

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1

3

2

5

4

Step

Size (Quantity)

Color

Torque

3

M2.5 x L5 (2)

Silver

3.2 kgf-cm

122

ThinkPad R30/R31 HMM

1140 CPU assembly
v “1010 Battery assembly” on page 108
v “1020 Mini-PCI cover and Mini-PCI card” on page 108
v “1030 Memory cover and Memory card” on page 110
v “1060 Keyboard” on page 112
v “1080 Middle cover” on page 114
v “1090 LCD assembly” on page 116
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 117
v “1130 Fan assembly” on page 121

1150 System board
v “1010 Battery assembly” on page 108
v “1020 Mini-PCI cover and Mini-PCI card” on page 108
v “1030 Memory cover and Memory card” on page 110
v “1040 Hard disk drive assembly” on page 111
v “1050 CD-ROM assembly” on page 112
v “1060 Keyboard” on page 112
v “1080 Middle cover” on page 114
v “1090 LCD assembly” on page 116
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 117

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1

2

Step

Size (Quantity)

Color

Torque

2

M2.5 x L5(3)

Silver

2.5 kgf-cm

Notes:
1. When removing the system board from the bottom
cover, gently raise the side of the system board facing
the rear I/O ports; then pull out the system board.

1160 Speaker
v “1010 Battery assembly” on page 108
v “1020 Mini-PCI cover and Mini-PCI card” on page 108

124

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v “1030 Memory cover and Memory card” on page 110
v “1040 Hard disk drive assembly” on page 111
v “1050 CD-ROM assembly” on page 112
v “1060 Keyboard” on page 112
v “1080 Middle cover” on page 114
v “1090 LCD assembly” on page 116
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 117

1

Step

Size (Quantity)

Color

Torque

2

M2.5 x L4(1)

Black

2.5 kgf-cm

1170 Modem Cable (with Combo card)
v “1010 Battery assembly” on page 108
v “1020 Mini-PCI cover and Mini-PCI card” on page 108
v “1030 Memory cover and Memory card” on page 110
v “1040 Hard disk drive assembly” on page 111
v “1050 CD-ROM assembly” on page 112
v “1060 Keyboard” on page 112
v “1080 Middle cover” on page 114
v “1090 LCD assembly” on page 116
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 117
v “1150 System board” on page 123

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1180 Modem Card (without Combo card)
v “1010 Battery assembly” on page 108
v “1020 Mini-PCI cover and Mini-PCI card” on page 108
v “1030 Memory cover and Memory card” on page 110
v “1040 Hard disk drive assembly” on page 111
v “1050 CD-ROM assembly” on page 112
v “1060 Keyboard” on page 112
v “1080 Middle cover” on page 114
v “1090 LCD assembly” on page 116
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 117
v “1150 System board” on page 123

126

ThinkPad R30/R31 HMM

1

Step

Size (Quantity)

Color

Torque

1

M2.5 x L5 (2)

Silver

3.2 kgf-cm

1190 Hard disk drive bezel
v “1010 Battery assembly” on page 108
v “1020 Mini-PCI cover and Mini-PCI card” on page 108
v “1030 Memory cover and Memory card” on page 110
v “1040 Hard disk drive assembly” on page 111
v “1050 CD-ROM assembly” on page 112
v “1060 Keyboard” on page 112
v “1080 Middle cover” on page 114
v “1090 LCD assembly” on page 116
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 117
v “1150 System board” on page 123

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1
Step

Size (Quantity)

Color

Torque

1

M2 x L6 (2)

Silver

1.6 kgf-cm

1200 CD-ROM chassis
v “1010 Battery assembly” on page 108
v “1020 Mini-PCI cover and Mini-PCI card” on page 108
v “1030 Memory cover and Memory card” on page 110
v “1040 Hard disk drive assembly” on page 111
v “1050 CD-ROM assembly” on page 112
v “1060 Keyboard” on page 112
v “1080 Middle cover” on page 114
v “1090 LCD assembly” on page 116
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 117
v “1150 System board” on page 123
v “1170 Modem Cable (with Combo card)” on page 125

128

ThinkPad R30/R31 HMM

1

2

3
Step

Size (Quantity)

Color

Torque

2

M2.5 x L5 (2)

Silver

3.2 kgf-cm

3

M2 x L6 (1)

Silver

1.6 kgf-cm

1210 LCD bezel assembly (13.3″)
v “1010 Battery assembly” on page 108
v “1020 Mini-PCI cover and Mini-PCI card” on page 108
v “1030 Memory cover and Memory card” on page 110
v “1060 Keyboard” on page 112
v “1080 Middle cover” on page 114
v “1090 LCD assembly” on page 116

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1

2

3

Step

Size (Quantity)

Color

Torque

2

M2 x L4(2)

Silver

2.5 kgf-cm

3

M2.5 x L6(2)

Black

2.5 kgf-cm

7
4

3

6
5

3

Note: When removing the LCD, take note of the following:
v Be careful not to scratch the LCD bezel when
removing the screw mylars.

130

ThinkPad R30/R31 HMM

v The LCD bezel has several latches. Release
these latches; then remove the LCD bezel. Be
careful not to break these latches.
v Gently push the two LCD latches outward to
remove the LCD bezel.

1220 LCD Inveter (13.3″)
v “1010 Battery assembly” on page 108
v “1020 Mini-PCI cover and Mini-PCI card” on page 108
v “1030 Memory cover and Memory card” on page 110
v “1060 Keyboard” on page 112
v “1080 Middle cover” on page 114
v “1090 LCD assembly” on page 116
v “1210 LCD bezel assembly (13.3″)” on page 129

1

Step

Size (Quantity)

Color

Torque

1

M2 x L10(4)

Black

2.5 kgf-cm

1230 LED board (13.3″)
v “1010 Battery assembly” on page 108
v “1020 Mini-PCI cover and Mini-PCI card” on page 108
v “1030 Memory cover and Memory card” on page 110
v “1060 Keyboard” on page 112
v “1080 Middle cover” on page 114
v “1090 LCD assembly” on page 116
v “1210 LCD bezel assembly (13.3″)” on page 129

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1
2

4

3

1240 LCD bracket hinge assembly (13.3″)
v “1010 Battery assembly” on page 108
v “1020 Mini-PCI cover and Mini-PCI card” on page 108
v “1030 Memory cover and Memory card” on page 110
v “1060 Keyboard” on page 112
v “1080 Middle cover” on page 114
v “1090 LCD assembly” on page 116
v “1210 LCD bezel assembly (13.3″)” on page 129
v “1220 LCD Inveter (13.3″)” on page 131
v “1230 LED board (13.3″)” on page 131

132

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1

Step

Size (Quantity)

Color

Torque

1

M2 x L4 (4)

Silver

2.5 kgf-cm

1250 LCD FPC assembly (13.3″)
v “1010 Battery assembly” on page 108
v “1020 Mini-PCI cover and Mini-PCI card” on page 108
v “1030 Memory cover and Memory card” on page 110
v “1060 Keyboard” on page 112
v “1080 Middle cover” on page 114
v “1090 LCD assembly” on page 116
v “1210 LCD bezel assembly (13.3″)” on page 129
v “1220 LCD Inveter (13.3″)” on page 131
v “1230 LED board (13.3″)” on page 131
v “1240 LCD bracket hinge assembly (13.3″)” on page 132

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1

Step

Size (Quantity)

Color

Torque

1

M2 x L4(1)

Silver

2.5 kgf-cm

2

1260 Wireless reassembly
v “1240 LCD bracket hinge assembly (13.3″)” on page 132
v “1230 LED board (13.3″)” on page 131

134

ThinkPad R30/R31 HMM

MT 2656, 2657, 2676

135

Locations
Front View

System-status indicators
Computer display
Volume & mute buttons
TrackPoint

Power button

Ultrabay plus

Rear View

Security keyhole
Power jack
Parallel port
Monitor connector
Modem connector
Ethernet connector
S-Video out connector
USB connector

Bottom View
12

1

2

11

9

3
10

4

5

9
8

7 6
10

1. Battery pack
2. Mini-PCI Card slot door

136

ThinkPad R30/R31 HMM

3. Memory slot door
4. Docking connector

MT 2656, 2657, 2676

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Switch Locations

138

ThinkPad R30/R31 HMM

Boot Block
ENABLE

CHKPW
DISABLE

Boot Block
DISABLE

CHKPW
DISABLE

Boot Block
ENABLE

CHKPW
ENABLE

Boot Block
DISABLE

CHKPW
ENABLE

Parts list
1
2
3
4

23

5
23
6

7
8

9
10

22
12

21

11
14

13
15

16
17

20

18
19

Note: The parts marked with asterisk are CRUs (customer
replaceable units.)
No.

Description

FRU No.

1

Hinge Cap

26P9722

2

Keyboard (“Keyboard” on page 145)

3

Middle Cover ASM WW

26P9727

4

KBD Bezel Asm. WW

46L6378

5

Cable Asm. kit , RJ11 and lid switch

27L0689

RJ-11 Cable for CDC board model
RJ-11 Cable mini PCI combo board
model
Lid switch Cable

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No.

Description

FRU No.

6

Antenna Kit 13.3″

26P9712

Antenna Kit 14.1″

26P9711

Antenna Aux
Antenna LCD
7

CPU Cel 1066 MHz

26P8155

CPU P-III 1.00 GHz

26P8359

CPU P-III 1.06 GHz

26P8283

CPU P-III 1.20 GHz

26P8285

8

Crypto Card

26P8084

9

CDC Modem Card

26P8256

10

FAN Asm.

26P9723

11

Heatsink

46L6365

12

Planar w/o IEEE1394

26P8305

Planar w/ IEEE1394

26P8307

13

PCMCIA Slot

26P9724

14

HDD w/tray & screws module IBM /10
GB

08K9796*

HDD w/tray & screws module HITACHI
/10 GB

08K9798*

HDD w/tray & screws module IBM /20
GB

08K9729*

HDD w/tray & screws module HITACHI
/20 GB

08K9731*

HDD w/tray & screws module IBM /20
GB

08K9761*

HDD w/tray & screws module HITACHI
/20 GB

08K9763*

HDD w/tray & screws module IBM /30
GB

08K9665*

HDD w/tray & screws module HITACHI
/30 GB

08K9666*

HDD w/tray & screws module IBM /30
GB

08K9733*

HDD w/tray & screws module HITACHI
/30 GB

08K9746*

HDD w/tray & screws module IBM /40
GB

08K9742*

HDD w/tray & screws module HITACHI
/40 GB

08K9744*

15

HDD Cover WW

26P9737

16

Lower Case w/ label WW

12P4323

Lower Case w/ label EMEA

12P4324

140

Lower Case w/ label IIPC

12P4325

Lower Case w/ label Korea

12P4326

ThinkPad R30/R31 HMM

No.

Description

FRU No.

Lower Case w/ label Taiwan

12P4327

Lower Case w/ label India

46L6371

Lower Case w/ label India 2656

12P4333

Lower Case w/ label W/W 2657

12P4334

Lower Case w/ label EMEA 2657

12P4335

Lower Case w/ label IIPC 2657

12P4336

Lower Case w/ label Korea 2657

12P4337

Lower Case w/ label Taiwan 2657

12P4338

Lower Case w/ label India 2657

12P4339

Lower Case w/ label W/W 2676

12P4340

Lower Case w/ label EMEA 2676

12P4341

Lower Case w/ label IIPC 2676

12P4342

Lower Case w/ label Korea 2676

12P4343

Lower Case w/ label Taiwan 2676

12P4344

Lower Case w/ label India 2676

12P4345

Lower Case w/ label WW-wireless

12P4328

Lower Case w/ label EMEA-wireless

12P4329

Lower Case w/ label IIPC-wireless

12P4330

Lower Case w/ label Korea-wireless

12P4331

Lower Case w/ label Taiwan-wireless

12P4332

17

SoDIMM Asm. –128MB

19K4653*

SoDIMM Asm.—256MB

19K4655*

18

Actiontec IEEE 802.11b/Modem combo
card-WinXP

12P3637

19

Mini-PCI / DIMM door kit

46L6335*

20

Battery Assy. (Ni-Mh)
02K6827*
Sanyo-W/W
02K6835*
Sanyo-Japan
Battery Assy. (Li-Ion)
02K6822*
Sanyo-W/W
02K6830*
Sanyo-Japan
02K6824*
Panasonic-W/W
02K6832*
Panasonic-Japan

21

Speaker Kit

02K5989

22

RTC Battery

02K7062

23

CD-ROM Module
27L3436*
TEAC
27L4301*
HLDS(LG)

MT 2656, 2657, 2676

141

No.

Description

FRU No.

DVD-ROM Module
08K9648*
MKE
08K9646*
HLDS(Hitachi)
CD-RW Module
27L4231*
SONY
08K9644*
TEAC
CD-RW/DVD-ROM combo Module
08K9694*
KME
Rubber Kit

26P9742

PCMCIA screw cap* 3
rubber foot * 3
LCD bezel screw cap (W/W) *4
IEEE-1394 dummy label
IEEE-1394 icon label
Screw Kit

26P9741

HDD COIN SCREW
M/B HEX SCREW
SCREW DIMM COVER STEEL
SCREW MACH PAN NYLOK
M2.0*13 NI
BH MSN+N SCREW M2.0*6
SCREW MACH FLAT M3*2.8
SCREW HDD M3*L4
WCH MSN+CZ SCREW M2.5*5
SCREW M2.5L10B 86.9A353100
SCREW M2.5*6
SCREW M2.4 WAFER NI
Misc common
Battery Knob
Battery Latch
Battery Spring
CD-ROM Pull bar
CD-ROM Latch
CD-ROM Spring for latch
CD-ROM Spring for CD-ROM pull
bar
PCMCIA door
PCMCIA Spring

142

ThinkPad R30/R31 HMM

26P9740

LCD FRU
13.3-inch TFT:

1

3
2
3

4
5

6

7
8
No.

Description

FRU No.

1

13.3″ LCD Bezel

46L6330

2

LCD Panel Asm (13.3″ TFT)
11P8212
Tori-Sanyo
11P8220
LG

3

13.3″ Hinge-Bracket Asm (R,L)

26P9720

4

LCD-Invertor / LED card (for 13.3″ &
14.1″ TFT)

26P8139

LCD-Invertor / LED card —Sumida (for
13.3″ & 14.1″ TFT)

26P8153

5

LCD cable Asm.

27L0687

6

Antenna Kit 13.3″ LCD

26P9712

Antenna w/ 13.3″ LCD
Antenna aux

MT 2656, 2657, 2676

143

No.

Description

FRU No.

7

LCD Rear Cover Asm for 13.3″/14.1″ (
for Wireless model )

26P9709

13.3″/14.1″ LCD rear cover
13.3″/14.1″ LCDPanel W/Wireless
IBM Logo
LCD Rear Cover Asm for 13.3″/14.1″

26P9707

13.3″/14.1″ LCD rear cover
13.3″/14.1″ LCDPanel W/O Wireless
IBM Logo
8

LCD Hinge Cap

26P9722

LG/IBM Logo Kit

08K5860

for LCD Rear Cover
for KBD Bezel

14.1-inch TFT:

1

3
2
3

4
5

6

7
8
No.

Description

FRU No.

1

14.1″ LCD Bezel (for W/W)

46L6329

144

ThinkPad R30/R31 HMM

No.

Description

2

LCDPanel Asm. (14.1″ TFT)

FRU No.
11P8214

Hyundai
46L2356
Samsung
11P8210
LG
3

14.1″ Hinge-Bracket Asm (R,L)

26P9719

4

LCD-Invertor / LED card (for 13.3″ &
14.1″ TFT)

26P8139

LCD-Invertor / LED card —Sumida (for
13.3″ & 14.1″ TFT)

26P8153

5

LCD cable Asm.

27L0686

6

Antenna Kit 14.1″ LCD

26P9711

Antenna w/ 14.1″ LCD
Antenna aux
7

LCD Rear Cover Asm for 13.3″/14.1″
(for W/W)

26P9709

13.3″/14.1″ LCD rear cover
13.3″/14.1″ LCDPanel W/Wireless
IBM Logo
LCD Rear Cover Asm for 13.3″/14.1″
(for W/O W)

26P9707

13.3″/14.1″ LCD rear cover
13.3″/14.1″ LCDPanel W/O Wireless
IBM Logo
8

LCD Hinge Cap Asm.

26P9722

LG/IBM Logo Kit

08K5860

for LCD Rear Cover
for KBD Bezel

Keyboard
Description

Vendor

FRU No.

KBD ASM US English

NMB

12P4260*

KBD ASM Canadian French

NMB

12P4262*

KBD ASM German

NMB

12P4264*

KBD ASM UK English

NMB

12P4266*

KBD ASM French

NMB

12P4268*

KBD ASM Dutch

NMB

12P4270*

KBD ASM Swedish/Finnish

NMB

12P4272*

KBD ASM Norwegian

NMB

12P4274*

KBD ASM Danish

NMB

12P4276*

KBD ASM Italian

NMB

12P4278*

KBD ASM European Spanish

NMB

12P4280*

MT 2656, 2657, 2676

145

Description

Vendor

FRU No.

KBD ASM Belgian

NMB

12P4282*

KBD ASM Switzerland

NMB

12P4284*

KBD ASM Portuguese

NMB

12P4286*

KBD ASM Russian

NMB

12P4290*

KBD ASM Slovakian

NMB

12P4306*

KBD ASM Slovenian

NMB

12P4304*

KBD ASM Traditional Chinese

NMB

12P4310*

KBD ASM Turkish

NMB

12P4296*

KBD ASM Arabic

NMB

12P4288*

KBD ASM Hebrew

NMB

12P4292*

KBD ASM Polish

NMB

12P4294*

KBD ASM Czech

NMB

12P4298*

KBD ASM Hungarian

NMB

12P4300*

KBD ASM Greek

NMB

12P4302*

KBD ASM Japan

NMB

12P4308*

KBD ASM Korea

NMB

12P4312*

KBD ASM La Spanish

NMB

12P4314*

KBD ASM US English

Chicony

02K6212*

KBD ASM Canadian French

Chicony

02K6214*

KBD ASM German

Chicony

02K6216*

KBD ASM UK English

Chicony

02K6218*

KBD ASM French

Chicony

02K6220*

KBD ASM Dutch

Chicony

02K6222*

KBD ASM Swedish/Finnish

Chicony

02K6224*

KBD ASM Norwegian

Chicony

02K6226*

KBD ASM Danish

Chicony

02K6228*

KBD ASM Italian

Chicony

02K6230*

KBD ASM European Spanish

Chicony

02K6232*

KBD ASM Belgian

Chicony

02K6234*

KBD ASM Switzerland

Chicony

02K6236*

KBD ASM Portuguese

Chicony

02K6238*

KBD ASM Arabic

Chicony

02K6240*

KBD ASM Russian

Chicony

02K6242*

KBD ASM Hebrew

Chicony

02K6244*

KBD ASM Polish

Chicony

02K6246*

KBD ASM Turkish

Chicony

02K6248*

KBD ASM Czech

Chicony

02K6250*

KBD ASM Hungarian

Chicony

02K6252*

KBD ASM Greek

Chicony

02K6254*

KBD ASM Slovenian

Chicony

02K6256*

146

ThinkPad R30/R31 HMM

Description

Vendor

KBD ASM Slovakian

Chicony

FRU No.
02K6258*

KBD ASM Japan

Chicony

02K6260*

KBD ASM Traditional Chinese

Chicony

08K4500*

KBD ASM Korea

Chicony

08K4502*

KBD ASM La Spanish

Chicony

08K4504*

Common parts list
Tools:
Description

FRU No.

Tri-Connector Wrap Plug

72X8546

PC Test Card

35G4703

Audio Wrap Cable

66G5180

USB Parallel Test Cable

05K2580

Screwdriver Kit

95F3598

5mm Socket Wrench

05K4694

Screwdriver

27L8126

Wireless Antenna Connector Removal Tool

08K7159

ThinkPad hardware maintenance diskette
version 1.10

Note: The data may look the same with the sample hmm
but the diskette version is different.
Telephone cable:
Description

FRU No.

Telephone cable (US/C, TWN, APS, LA, BRZL)

27L0465

Telephone cable (UK, IR, NZ)

27L0442

Telephone cable (Germany)

27L0441

Telephone cable (Italy)

27L0448

Telephone cable (France)

27L0443

Telephone cable (DK, DE, PO)

27L0447

Telephone cable (SW, SU)

27L0445

Telephone cable (FI, NO, NS)

27L0446

Telephone cable (Australia)

27L0467

Telephone cable (ND, NU)

27L0444

Telephone cable (SF, SI, SG, SE)

27L0462

Telephone cable (BE, BK, BS, BD, BF)

27L0451

Telephone cable (Austria)

27L0449

Telephone cable (Spain)

27L0450

MT 2656, 2657, 2676

147

AC adapter:
Description

FRU No.

AC Adapter, 72W 3-pin (Astec)

02K6751*

AC Adapter, 72W 3-pin (Delta)

02K6754*

AC Adapter, 72W 2-pin (Astec)

02K6753*

AC Adapter, 72W 2-pin (Delta)

02K6756*

Power cords: IBM power cords for a specific country are
usually available only in that country.
For 2–pin power cords:
IBM power
cord part
number

Used in these countries or regions

13H5264*

Canada, U.S.A.

13H5273*

Japan

36L8870*

Argentina

49P2095*

Brazil

For 3–pin power cords:
Note: The grounded adapter is required for full MPRII
compliance. If a 3–pin power cord came with your
computer, see “Safety Information” on page 13.
IBM power
cord part
number

Used in these countries or regions

76H3514*

Australia, New Zealand

76H3516*

Taiwan, Thailand

76H3530*

Italy

76H3520*

Denmark

76H3524*

UK, Hong Kong

76H3518*

European Countries

76H3522*

South Africa, India

76H3532*

Israel

76H3535*

Korea

02K0539*

China (P.R.C.)

76H3528*

Switzerland

Recovery CD List:
Description

148

FRU No.

ThinkPad R30/R31 HMM

Models

Recovery CD
32P6416
Eng-XP Home (UD)

2656–65G, 6FG, 56G,
27G, 28G, 2FG, 57G,
26G, 31G, 35G, 5CG

Recovery CD
32P6415
Eng-XP Home (UD)

2656–3FU, 25U, 7GU,
9FU, 6FU, 56U

Recovery CD
32P6415
Eng-XP Home (US)

2656–7LH, 63H, 6GH,
5DH, 27H, 56H

Recovery CD
32P6415
Eng-XP Home (US)

2656–65A, 56A, 27A, 4PA
; 65M, 26M

Recovery CD
Norway-XP Home

32P6428

2656–56G, 6FG, 56G,
27G, 28G, 2FG, 28G,
26G, 31G, 35G, 5CG

Recovery CD
Netherland-XP
Home

32P6427

2656–56G, 6FG, 56G,
27G, 28G, 2FG, 28G,
26G, 31G, 35G, 5CG

Recovery CD
Finland-XP Home

32P6426

2656–56G, 6FG, 56G,
27G, 28G, 2FG, 28G,
26G, 31G, 35G, 5CG

Recovery CD
Italy-XP Home

32P6425

2656–56G, 6FG, 56G,
27G, 28G, 2FG, 28G,
26G, 31G, 35G, 5CG

Recovery CD
Spanish-XP Home

32P6423

2656–56G, 6FG, 56G,
27G, 28G, 2FG, 28G,
26G, 31G, 35G, 5CG

Recovery CD LA
Spanish-XP Home

32P6418

2656–7LS, 7FS, 65S,
58S, 25S, 2FS

Recovery CD LA
Spanish-XP Home

32P6418

2656–7LX, 7FX, 65X,
58X, 25X, 2FX

Recovery CD
Denmark-XP Home

32P6420

2656–56G, 6FG, 56G,
27G, 28G, 2FG, 28G,
26G, 31G, 35G, 5CG

Recovery CD
Sweden-XP Home

32P6424

2656–56G, 6FG, 56G,
27G, 28G, 2FG, 28G,
26G, 31G, 35G, 5CG

Recovery CD
French-XP Home

32P6421

2656–7LS, 7FS, 65S,
58S, 25S, 2FS

Recovery CD
Canadian
French-XP Home

32P6417

2656–7GF, 9FF, 6FF, 56F,
25F,

Recovery CD
German-XP Home

32P6422

2656–56G, 6FG, 56G,
27G, 28G, 2FG, 28G,
26G, 31G, 35G, 5CG

Recovery CD
Portuguese-XP
Home

32P6419

2656–7LP, 7FP, 65P, 58P,
25P, 2FP

Recovery CD
Japan-XP Home

46P6946

2656–6GJ, 66J, 45J, 46J,
44J

Recovery CD
Traditional
Chinese-XP Home

62P8524

2656–8FT, 63T, 6GT, 56T,
27T, 5DT

Recovery CD
Simplified
Chinese-XP Home

62P8527

2656–65C, 6GC, 56C,
5DC, 7LC, 7DC

MT 2656, 2657, 2676

149

Recovery CD
HongKong
Traditional
Chinese-XP Home

62P8530

2656–6GB

Recovery CD
Turkey-XP Home

32P6433

2656–56G, 6FG, 56G,
27G, 28G, 2FG, 28G,
26G, 31G, 35G, 5CG

Recovery CD
Greek-XP Home

32P6434

2656–56G, 6FG, 56G,
27G, 28G, 2FG, 28G,
26G, 31G, 35G, 5CG

Recovery CD
Hungary-XP Home

32P6435

2656–56G, 6FG, 56G,
27G, 28G, 2FG, 28G,
26G, 31G, 35G, 5CG

Recovery CD
Russian-XP Home

32P6436

2656–56G, 6FG, 56G,
27G, 28G, 2FG, 28G,
26G, 31G, 35G, 5CG

Recovery CD
Polish-XP Home

32P6432

2656–56G, 6FG, 56G,
27G, 28G, 2FG, 28G,
26G, 31G, 35G, 5CG

Recovery CD
Hebrew-XP Home

32P6431

2656–56G, 6FG, 56G,
27G, 28G, 2FG, 28G,
26G, 31G, 35G, 5CG

Recovery CD
CZ-XP Home

32P6430

2656–56G, 6FG, 56G,
27G, 28G, 2FG, 28G,
26G, 31G, 35G, 5CG

Recovery CD
Arabic Enabled-XP
Home

32P6429

2656–56G, 6FG, 56G,
27G, 28G, 2FG, 28G,
26G, 31G, 35G, 5CG

Recovery CD
English- WinXP
PRO (UD)

32P6518

2656–E5G, EFG, D8G,
ABG, AHG, AFG, BBG,
D9G, ADG, AJG, D7G,
J2G, 89G, 50G, HHG,
MMG

Recovery CD
English -WinXP
PRO (US)

32P6517

2656–E6U, HFU, E5U,
EFU, BFU, A5U, AFU,
GGU, EHU, HGU, AKU,
J2U, M4U, F5U, H8U,
H4U, H9U, H6U, FGU,
HHU, MMU

Recovery CD
English -WinXP
PRO (US)

32P6517

2656–E5H, EFH, EIH,
D8H, J2H, 4PH, HHH,
MMH

Recovery CD
English -WinXP
PRO (US)

32P6517

2656–E6M, GFM, E5M,
EFM, AGM, ABM, D6M,
ADM, J2M, 3PM, HHM,
5PM, MMM ; E6A, E5A,
EFA, D6A, J2A, HHA,
5PA, MMA

Recovery CD
Norway - WinXP
PRO

32P6530

2656–E5G, EFG, D8G,
ABG, AHG, AFG, BBG,
D9G, ADG, AJG, D7G,
J2G, 89G, 50G, HHG,
MMG

150

ThinkPad R30/R31 HMM

Recovery CD
Netherland-WinXP
PRO

32P6529

2656–E5G, EFG, D8G,
ABG, AHG, AFG, BBG,
D9G, ADG, AJG, D7G,
J2G, 89G, 50G, HHG,
MMG

Recovery CD
Finland-WinXP
PRO

32P6528

2656–E5G, EFG, D8G,
ABG, AHG, AFG, BBG,
D9G, ADG, AJG, D7G,
J2G, 89G, 50G, HHG,
MMG

Recovery CD
Italy-WinXP PRO

32P6527

2656–E5G, EFG, D8G,
ABG, AHG, AFG, BBG,
D9G, ADG, AJG, D7G,
J2G, 89G, 50G, HHG,
MMG

Recovery CD
Spanish-WinXP
PRO

32P6525

2656–E5G, EFG, D8G,
ABG, AHG, AFG, BBG,
D9G, ADG, AJG, D7G,
J2G, 89G, 50G, HHG,
MMG

Recovery CD LA
Spanish-WinXP
PRO

32P6520

2656–E6S, GFS, E5S,
EFS, D5S, A5S, AFS,
J2S, HHS, MMS

Recovery CD LA
Spanish-WinXP
PRO

32P6520

2656–E6X, GFX, E5X,
EFX, D5X, A5X, AFX,
J2X, HHX, MMX

Recovery CD
Denmark-WinXP
PRO

32P6522

2656–E5G, EFG, D8G,
ABG, AHG, AFG, BBG,
D9G, ADG, AJG, D7G,
J2G, 89G, 50G, HHG,
MMG

Recovery CD
Sweden-WinXP
PRO

32P6526

2656–E5G, EFG, D8G,
ABG, AHG, AFG, BBG,
D9G, ADG, AJG, D7G,
J2G, 89G, 50G, HHG,
MMG

Recovery CD
French-WXP PRO

32P6523

2656–E5G, EFG, D8G,
ABG, AHG, AFG, BBG,
D9G, ADG, AJG, D7G,
J2G, 89G, 50G, HHG,
MMG

Recovery CD
Canadian
French-WinXP
PRO

32P6519

2656–GGF, IFF, E5F, EFF,
J2F, HHF, MMF

Recovery CD
German-WinXP
PRO

32P6524

2656–E5G, EFG, D8G,
ABG, AHG, AFG, BBG,
D9G, ADG, AJG, D7G,
J2G, 89G, 50G, HHG,
MMG

Recovery CD
Portuguese-WinXP
PRO

32P6521

2656–E6P, GFP, E5P,
EFP, D5P, A5P, AFP, J2P,
HHP, MMP

Recovery CD
Japan-WinXP PRO

46P6943

2656–EGJ, E8J, C5J,
E5J, EFJ, J2J, HHJ, K9J,
MMJ

MT 2656, 2657, 2676

151

Recovery CD
Japan-WinXP PRO
RETAIL

46P6988

2656–75J/8FJ/47J

Recovery CD
Traditional
Chinese-WinXP
PRO

62P8525

2656–E5T, EFT, E8T, EIT,
D6T, ABT, J2T, MMT, HHT

Recovery CD
Simplified
Chinese-WinXP
PRO

62P8528

2656–E5C, EFC, EIC,
E6C, J2C, HHC, MMC

Recovery CD Hong
Kong Traditional
Chinese-XP PRO

62P8531

2656–D6B

Recovery CD
32P6535
Turkey-WinXP PRO

2656–E5G, EFG, D8G,
ABG, AHG, AFG, BBG,
D9G, ADG, AJG, D7G,
J2G, 89G, 50G, HHG,
MMG

Recovery CD
Greek-WXP PRO

32P6536

2656–E5G, EFG, D8G,
ABG, AHG, AFG, BBG,
D9G, ADG, AJG, D7G,
J2G, 89G, 50G, HHG,
MMG

Recovery CD
Greek-WXP PRO

32P6536

2656–E5G, EFG, D8G,
ABG, AHG, AFG, BBG,
D9G, ADG, AJG, D7G,
J2G, 89G, 50G, HHG,
MMG

Recovery CD
Russian-WinXP
PRO

32P6538

2656–E5G, EFG, D8G,
ABG, AHG, AFG, BBG,
D9G, ADG, AJG, D7G,
J2G, 89G, 50G, HHG,
MMG

Recovery CD
Polish-WinXP PRO

32P6534

2656–E5G, EFG, D8G,
ABG, AHG, AFG, BBG,
D9G, ADG, AJG, D7G,
J2G, 89G, 50G, HHG,
MMG

Recovery CD
Hebrew-WinXP
PRO

32P6533

2656–E5G ,EFG, D8G,
ABG, AHG, AFG, BBG,
D9G, ADG, AJG, D7G,
J2G, 89G, 50G, HHG,
MMG

Recovery CD
CZ-WinXP PRO

32P6532

2656–E5G, EFG, D8G,
ABG, AHG, AFG, BBG,
D9G, ADG, AJG, D7G,
J2G, 89G, 50G, HHG,
MMG

Recovery CD
Arabic
Enabled-WinXP
PRO

32P6531

2656–E5G, EFG, D8G,
ABG, AHG, AFG, BBG,
D9G, ADG, AJG, D7G,
J2G, 89G, 50G, HHG,
MMG

Recovery CD
English- Win 2000
(UD)

32P6313

2656–E4G, EEG, EDG,
AAG, A9G, AEG, DDG,
B2G, ACG, ECG, BCG,
J1G, FFG, 40G, LLG

152

ThinkPad R30/R31 HMM

Recovery CD
English -Win 2000
(US)

32P6312

2656–E7U, HEU, E4U,
J1U, EEU, BEU, A4U,
AEU, FEU, F4U, L4U,
H5U, FFU, LLU, H7U

Recovery CD
English -Win 2000
(US)

32P6312

2656–E4H, J1H, EEH,
FFH, LLH

Recovery CD
English -Win 2000
(US)

32P6312

2656–E4M, J1M, EEM,
BGM, AAM, BIM, E7M,
FFM, LLM ; E4A, J1A,
EEA, FFA, LLA

Recovery CD
Norway - Win2000

32P6325

2656–E4G, EEG, EDG,
AAG, A9G, AEG, DDG,
B2G, ACG, ECG, BCG,
J1G, FFG, 40G, LLG

Recovery CD
NetherlandWin2000

32P6324

2656–E4G, EEG, EDG,
AAG,A9G, AEG, DDG,
B2G, ACG, ECG, BCG,
J1G, FFG, 40G, LLG

Recovery CD
Finland-Win2000

32P6323

2656–E4G, EEG, EDG,
AAG, A9G, AEG, DDG,
B2G, ACG, ECG, BCG,
J1G, FFG, 40G, LLG

Recovery CD
Italy-Win2000

32P6322

2656–E4G, EEG, EDG,
AAG, A9G, AEG, DDG,
B2G, ACG, ECG, BCG,
J1G, FFG, 40G, LLG

Recovery CD
Spanish-Win2000

32P6320

2656–E4G, EEG, EDG,
AAG, A9G, AEG,
DDG,B2G, ACG, ECG,
BCG, J1G, FFG, 40G,
LLG

Recovery CD LA
Spanish-Win2000

32P6315

2656–E4S, J1S, EES,
LLS, FFS

Recovery CD LA
Spanish-Win2000

32P6315

2656–E4X, J1X, EEX,
FFX, LLX

Recovery CD
Denmark-Win2000

32P6317

2656–E4G, EEG, EDG,
AAG, A9G, AEG, DDG,
B2G, ACG, ECG, BCG,
J1G, FFG, 40G, LLG

Recovery CD
Sweden-Win2000

32P6321

2656–E4G, EEG, EDG,
AAG, A9G, AEG, DDG,
B2G, ACG, ECG, BCG,
J1G, FFG, 40G, LLG

Recovery CD
French-Win2000

32P6318

2656–E4G, EEG, EDG,
AAG, A9G, AEG, DDG,
B2G, ACG, ECG, BCG,
J1G, FFG, 40G, LLG

Recovery CD
Canadian
French-Win2000

32P6314

2656–E4F, J1F, EEF, FFF,
LLF

Recovery CD
German-Win2000

32P6319

2656–E4G, EEG, EDG,
AAG, A9G, AEG, DDG,
B2G, ACG, ECG, BCG,
J1G, FFG, 40G, LLG

MT 2656, 2657, 2676

153

Recovery CD
PortugueseWin2000

32P6316

2656–E4P, J1P, EEP, FFP,
LLP

Recovery CD
Japan-Win2000

46P6941

2656–6HJ, 67J, 48J, FFJ,
EEJ, J1J, E4J, K8J, LLJ

Recovery CD
Traditional
Chinese-Win2000

62P8523

2656–E4T, J1T, EET, FFT,
LLT

Recovery CD
Simplified
Chinese-Win2000

62P8526

2656–E4C, J1C, EEC,
FFC, LLC

Recovery CD
Turkey-Win2000

32P6330

2656–E4G, EEG, EDG,
AAG, A9G, AEG, DDG,
B2G, ACG, ECG, BCG,
J1G, FFG, 40G, LLG

Recovery CD
Greek-Win2000

32P6331

2656–E4G, EEG, EDG,
AAG, A9G, AEG, DDG,
B2G, ACG, ECG, BCG,
J1G, FFG, 40G, LLG

Recovery CD
Hungary-Win2000

32P6332

2656–E4G, EEG, EDG,
AAG, A9G, AEG, DDG,
B2G, ACG, ECG, BCG,
J1G, FFG, 40G, LLG

Recovery CD
Russian-Win2000

32P6333

2656–E4G, EEG, EDG,
AAG, A9G, AEG, DDG,
B2G, ACG, ECG, BCG,
J1G, FFG, 40G, LLG

Recovery CD
Polish-Win2000

32P6329

2656–E4G, EEG, EDG,
AAG, A9G, AEG, DDG,
B2G, ACG, ECG, BCG,
J1G, FFG, 40G, LLG

Recovery CD
Hebrew-Win2000

32P6328

2656–E4G, EEG, EDG,
AAG, A9G, AEG, DDG,
B2G, ACG, ECG, BCG,
J1G, FFG, 40G, LLG

Recovery CD
CZ-Win2000

32P6327

2656–E4G, EEG, EDG,
AAG, A9G, AEG, DDG,
B2G, ACG, ECG, BCG,
J1G, FFG, 40G, LLG

Recovery CD
Arabic
Enabled-Win2000

32P6326

2656–E4G, EEG, EDG,
AAG, A9G, AEG, DDG,
B2G, ACG, ECG, BCG,
J1G, FFG, 40G, LLG

Option Parts List
Battery charges:
Description

FRU No.

Charger Main Battery Li-Ion —W/W

02K6821

Charger Main Battery Li-Ion —Japan

02K6829

154

ThinkPad R30/R31 HMM

Ultrabay devices:
Description

FRU No.

CD—RW drive (SONY)

08K9617*

Diskette drive (TEAC)

08K9606*

Diskette drive (SONY)

08K9607*

SuperDisk drive (LS120 x 2)

05K9235*

SuperDisk drive (LS240)

08K9615*

ZIP—250 drive

00N8254*

2nd HDD adapter

08K6067*

Ultrabay Plus device carrier

26P9388*

Ultrabay Plus numeric keypad

19K2056*

Ultrabay Plus cradle for WorkPad c500 series

26P9389*

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ThinkPad R31 Part II
This section applies to the following models: 2656-2Gx,
2656-2Hx, 2656-2Jx, 2656-2Kx, 2656-2Lx, 2656-1Ax,
2656-2Vx, 2656-1Bx, 2656-2Px, 2656-2Mx, 2656-1Cx,
2656-2Cx, 2656-2Nx, 2656-2Ex, 2656-1Dx, 2656-2Gx,
2656-1Fx, 2656-1Gx, 2656-1Ix, 2656-1Jx, 2656-1Kx,
2656-Lx, 2656-Mx, 2656-1Ox, 2656-1Px, 2656-37x,
2656-3Cx, 2656-3Ax, 2656-38x, 2656-KCU, 2656-KDU,
2656-KEU, 2656-KFU, 2656-GAJ, 2657-GBJ, 2656-3CG,
2656-4CG, 2656-2HC, 2656-1EM, 2656-1EA, 2656-1EB,
2656-1EH, 2656-1HK, 2656-1HT, 2656-1SJ, 2656-1RJ,
2656-1BU.

156

ThinkPad R30/R31 HMM

Product overview
The following shows an overview of the system features.
Feature

Description

Processor

Intel Pentium III processor 1.26GHz,
Intel Celeron processor 1.13/1.20/1.33
GHz

Bus architecture

Host bus 64bits/133 MHz, PCI 32
bits/33 MHz, LPC 4bits/33MHz,
PCMCIA 16 bits, Cardbus 32 bits/32
MHz

System memory

128 MB or 256 MB base main memory
on system board PC 133
Two 144pins SODIMM slots supports
64 MB, 128MB, 256MB, and 512MB
DIMM cards
Frequency: PC 133
Maximum size: 1024 MB

CMOS RAM

242 bytes + 4 Kbytes

Video

Intel 830 MG with 2D/3D Graphics
accelerator.
Dynamically variable video memory
size
13.3–inch, 24 bit true colors, 1024x768
pixel TFT XGA color LCD
14.1–inch, 24 bit true colors, 1024x768
pixel TFT XGA color LCD

Audio

AC97 audio Intel
16–bit audio
Internal stereo speakers

Diskette drive (optional)

External 1.44MB (3–mode), 3.5 inch
floppy drive via USB interface
(Bootable)

Hard disk drive

20GB, 30GB, or 40GB, 2.5–inch
9.5mm height, E-IDE interface

CD-ROM drive

CD-ROM: 5.25–inch, 24X speed,
E-IDE interface
DVD— ROM : 8X speed
DVD/ CD— RW : 8X DVD/ CD-RW
CD-RW

Modem

Integrated CDC soft Modem 56 Kbps
Data/Fax Modem

Ethernet (optional)

LAN on motherboard . It supports
10/100Mbps

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Feature

Description

IEEE 1394 (optional)

Ti TSB43AB21 1394 controller on
board
IEEE 1394.a 4–pin connector — no
cable power
100Mbps, 200Mbps and 400Mbps

PC Card (PCMCIA)

One Type I/II or Type III

I/O ports

External monitor
Speaker-out
Microphone-in
DC-in
TV-out (S-Video out)
Parallel
Two USBs
IEEE 1394a (Selected models only)
Telephone (RJ11)
LAN (RJ45, Selected models only)

Power

72–Watt AC Adapter
6–cell Li-Ion & 8–cell NiMH Battery
Packs (Dumb Battery)

Status indicators
The system-status indicators on the computer show the
current status of your computer by their on or off states
and colors (green and orange). Each indicator is identified
with a symbol. The following shows the location and the
meaning of each icon:

158

ThinkPad R30/R31 HMM

7

6

Symbol

Color

Meaning

(1) Drive in use

Green

Data is being read from or
written to the hard disk. Do
not enter standby mode or
power off the computer
when this indicator is on.

(2) Numeric lock

Green

The numeric keypad on the
keyboard is enabled. You
enable or disable the
keypad by pressing and
holding the Shift key, and
pressing the NumLk key.
For details, see the User’s
Reference.

(3) Caps lock

Green

Caps Lock mode is
enabled. All alphabetic
characters (A-Z) are
entered in capital letters
without the Shift key being
pressed. You enable or
disable the Caps Lock
mode by pressing the Caps
Lock key.

(4) Scroll lock

Green

Scroll Lock mode is
enabled. The Arrow keys
can be used as
screen-scroll function keys.
The cursor cannot be
moved with the Arrow
keys. Not all application
programs support this
function. You enable or
disable Scroll Lock mode by
pressing the ScrLk key.

(5) Power on

Green

The computer is
operational. This indicator is
on when the computer is
on.

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Symbol

Color

Meaning

(6) Battery status

Green

Enough battery power
remains for operation.

Blinking
green

The battery power charges
up to 80% full power

Blinking
orange

The battery pack needs to
be charged

Orange

The battery pack is being
charged.

Green

The computer is in standby
mode

(7) Standby mode

FRU tests
The following table shows the applicable test for each FRU
using PC-Doctor.
FRU

Applicable test

System board

1. CPU/Coprocessor (Diagnostics)
2. System board (Diagnostics)

Power

Battery (Diagnostics)

LCD unit

1. Video Adapter (Diagnostics)
2. Video (Interactive Tests)

Modem

1. Make sure the modem set up
correctly.
2. Replacing the modem jack and
modem card one at a time, run the
modem tests in Other Devices
(Diagnostics)

Audio

Internal Speaker (Interactive Tests)

Speaker

System beeper: Internal Speaker
(Interactive Tests)

PC Card slots

System board (Diagnostics)

Keyboard

1. Keyboard (Diagnostics)

Stereo Speaker (Interactive Tests)

2. Keyboard (Interactive Tests)

160

ThinkPad R30/R31 HMM

FRU

Applicable test

TrackPont or Pointing
device

If the TrackPoint does not work, see if an
external PS/2 mouse is connected to the
mouse/keyboard connector and remove
it. The TrackPoint is automatically
disabled if an external PS/2 mouse is
attached. Check also if the TrackPoint
driver is correctly installed by accessing
Windows Device Manager via the System
icon in the Control Panel.
After you use the TrackPoint, the pointer
drifts on the screen for a short time. This
self-acting pointer movement can occur
when a slight, steady pressure is applied
to the TrackPoint pointer. This symptom
is not a hardware problem. No service
actions are necessary if the pointer
movement stops in a short period of time.
If this does not correct the TrackPoint
problem, continue with the following:
Mouse (Interactive Tests).

Hard disk drive

Fixed Disks (Diagnostics)

CD-ROM drive

CD-ROM, DVD, CD-RW, DVD/CD-RW
(Interactive Tests)

Memory

1. If a DIMM is installed, remove it and
run Memory Test-Quick (Diagnostics)
2. If the problem does not recur, replace
the DIMM and run the test again.
3. If the test does not detect the error,
run Memory Test-Full (Diagnostics)

Fan

1. Power on system and check the air
turbulence at the louver at the rear of
the computer.
2. Run the fan test in Other Devices
(Diagnostics).

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FRU removals and replacements
This section contains information about removals and
replacements.
v Do not damage any parts. Only certified and trained
personnel should service the computer.
v The arrows in this section show the direction of
movement to remove a FRU, or to turn a screw to
release the FRU. The arrows are marked in numeric
order, in square callout, to show the correct sequence of
removal.
v Any FRUs that must be removed before removing the
failing FRU are listed at the top of the page.
v To replace a FRU, reverse the removal procedure and
follow any notes that pertain to replacement. See
“Locations” on page 191 for internal cable connections
and arrangement information.
v When replacing a FRU, use the correct screw size, as
shown in the procedure.

Safety Notice 1
Translations in ″Safety Notices (Multi-lingual
Translations)″ section: Before the computer is
powered-on after FRU replacement, make sure all
screws, springs, or other small parts are in place
and are not left loose inside the computer. Verify
this by shaking the computer and listening for
rattling sounds. Metallic parts or metal flakes can
cause electrical shorts.

Safety Notice 3
Translations in ″Safety Notices (Multi-lingual
Translations)″ section: The battery pack contains
small amounts of nickel. Do not disassemble it,
throw it into fire or water, or short-circuit it. Dispose
of the battery pack as required by local ordinances
or regulations. Use only the battery in the
appropriate parts listing when replacing the battery
pack. Use of an incorrect battery can result in
ignition or explosion of the battery.

162

ThinkPad R30/R31 HMM

Safety Notice 8
Translations in ″Safety Notices (Multi-lingual
Translations)″ section: Before removing any FRU,
power-off the computer, unplug all power cords from
electrical outlets, remove the battery pack, then
disconnect any interconnecting cables.
Attention: The system board is sensitive and can be
damaged by electronic discharge. Establish personal
grounding by touching a ground point with one hand before
touching these units.
An electrostatic discharge (ESD) strap (P/N: 6405959)
must be used to establish personal grounding.

1010 Battery assembly
2

1

Warning
Battery packs are capable of delivering high
currents for a significant amount of time. Do not
short the battery terminals.
CAUTION:
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type
recommended by the manufacturer. Dispose of used
batteries according to the manufacturer’s instructions.

1020 Mini-PCI cover and Mini-PCI card
v “1010 Battery assembly”

MT 2656, 2657, 2676

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2

1

Note: The screw does not separate from the PCI cover.
3
4

Note: There are 2 cables on step 4 : The gray cable is the
main antenna and the black cable is the auxiliarey
antenna.

Note: When you install the PCI card, remember to press it
down and ensure the connection is well.

164

ThinkPad R30/R31 HMM

1030 Memory cover and Memory card
v “1010 Battery assembly” on page 163

2
1

Note: The screw does not separate from the memory
cover.

3

To install the memory card:
With the notched end of the memory card toward the right
side of the socket, insert the memory card, at an angle of
approximately 20°, into the socket; then press it firmly.

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Pivot the memory card until it snaps into place.

Side View

1040 Hard disk drive assembly
v “1010 Battery assembly” on page 163

1

2
Step

Size (Quantity)

Color

Torque

1

M3 x L4 (1)

Black

3.2 kgf-cm

166

ThinkPad R30/R31 HMM

Warning
Do not drop or apply any shock to the hard disk
drive. The hard disk drive is sensitive to physical
shock. Incorrect handling can cause damage and
permanent loss of data on the drive.
Before removing the drive, have the user make a
backup copy of all the information on the drive if
possible.
Never remove the drive while the system is
operating or is in suspend mode.

1050 CD-ROM assembly
v “1010 Battery assembly” on page 163

1
2

3

1060 Keyboard
v “1010 Battery assembly” on page 163

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1

Step

Size (Quantity)

Color

Torque

1

M2.5 x L10 (2)

Black

3.2 kgf-cm

2

4
3

168

ThinkPad R30/R31 HMM

Notes:
1. When replacing the keyboard, make sure that the cable
is clean and insert it directly into the connector, making
sure it makes contact with the bottom of the connector.
2. If the cable do not touch the bottom of the connector,
the keyboard function will be rendered useless.
3. The cable of the keyboard are fragile and could be
damaged. Be careful when pulling out the cable.

1070 Backup battery
v “1010 Battery assembly” on page 163
v “1060 Keyboard” on page 167

CAUTION:
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type
recommended by the manufacturer. Dispose of used
batteries according to manufacturer’s instruction.

Safety Notice 4
Translation in ″Safety Notices: Multi-lingual
Translations″ section: The backup battery is a
lithium battery and can cause a fire, an explosion, or
severe burns. Do not recharge it, remove its
polarized connector, disassemble it, heat it above
100°C (212°F), incinerate it, or expose its cell
contents to water. Dispose of the battery as required
by local ordinances or regulations. Use of an
incorrect battery can result in ignition or explosion of
the battery. Replacement batteries can be ordered
from IBM or IBM Authorized Dealers.

MT 2656, 2657, 2676

169

1080 Middle cover
v “1010 Battery assembly” on page 163
v “1060 Keyboard” on page 167

1

2

3

Step

Size (Quantity)

Color

Torque

2

M2.5 x L10 (1)

Black

3.2 kgf-cm

170

ThinkPad R30/R31 HMM

Step

Size (Quantity)

Color

Torque

3

M2.5 x L10 (1)

Black

2.5 kgf-cm

1090 LCD assembly
v “1010 Battery assembly” on page 163
v “1060 Keyboard” on page 167
v “1080 Middle cover” on page 170
v “1020 Mini-PCI cover and Mini-PCI card” on page 163
v “1030 Memory cover and Memory card” on page 165

1

2

3

MT 2656, 2657, 2676

171

Note: Release the gray cable, which is the main antenna
from the system.

4

4

5

Step

Size (Quantity)

Color

Torque

4

M2.5 x L10 (4)

Black

3.6 kgf-cm

5

M2.5 x L5 (1)

Silver

2.5 kgf-cm

6

172

ThinkPad R30/R31 HMM

7

1100 Keyboard bezel
v “1010 Battery assembly” on page 163
v “1060 Keyboard” on page 167
v “1080 Middle cover” on page 170
v “1090 LCD assembly” on page 171
v “1070 Backup battery” on page 114

1

MT 2656, 2657, 2676

173

Step

Size (Quantity)

Color

Torque

1

M2.5 x L10 (7)

Black

3.2 kgf-cm

2

CAUTION:
The keyboard bezel has several latches. When
removing the keyboard bezel from the bottom cover,
gently release these latches, then raise the side of the
keyboard bezel facing the palm rest to remove it. Be
careful not to break the latches.

1110 PCMCIA holder
v “1010 Battery assembly” on page 163
v “1020 Mini-PCI cover and Mini-PCI card” on page 163
v “1030 Memory cover and Memory card” on page 165
v “1060 Keyboard” on page 167
v “1080 Middle cover” on page 170
v “1090 LCD assembly” on page 171
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 173

174

ThinkPad R30/R31 HMM

1

2

Step

Size (Quantity)

Color

Torque

2

M2 x L6 (3)

Silver

1.6 kgf-cm

3

4

MT 2656, 2657, 2676

175

Note: Before removing and replacing the PCMCIA holder,
make sure that the PCMCIA cards are removed and
the eject levers are sticking out.

1120 Auxiliary Antenna
v “1010 Battery assembly” on page 163
v “1020 Mini-PCI cover and Mini-PCI card” on page 163
v “1030 Memory cover and Memory card” on page 165
v “1060 Keyboard” on page 167
v “1080 Middle cover” on page 170
v “1090 LCD assembly” on page 171
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 173

1

Step

Size (Quantity)

Color

Torque

1

M2.5 x L5(1)

Silver

2.5 kgf-cm

1130 Fan assembly
v “1010 Battery assembly” on page 163
v “1020 Mini-PCI cover and Mini-PCI card” on page 163
v “1030 Memory cover and Memory card” on page 165
v “1060 Keyboard” on page 167
v “1080 Middle cover” on page 170
v “1090 LCD assembly” on page 171
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 173

176

ThinkPad R30/R31 HMM

1

3

2

5

4

Step

Size (Quantity)

Color

Torque

3

M2.5 x L5 (2)

Silver

3.2 kgf-cm

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177

1140 CPU assembly
v “1010 Battery assembly” on page 163
v “1020 Mini-PCI cover and Mini-PCI card” on page 163
v “1030 Memory cover and Memory card” on page 165
v “1060 Keyboard” on page 167
v “1080 Middle cover” on page 170
v “1090 LCD assembly” on page 171
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 173
v “1130 Fan assembly” on page 176

1150 System board
v “1010 Battery assembly” on page 163
v “1020 Mini-PCI cover and Mini-PCI card” on page 163
v “1030 Memory cover and Memory card” on page 165
v “1060 Keyboard” on page 167
v “1080 Middle cover” on page 170
v “1090 LCD assembly” on page 171
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 173

178

ThinkPad R30/R31 HMM

1

2

Step

Size (Quantity)

Color

Torque

2

M2.5 x L5(3)

Silver

2.5 kgf-cm

Notes:
1. When removing the system board from the bottom
cover, gently raise the side of the system board facing
the rear I/O ports; then pull out the system board.

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1160 Speaker
v “1010 Battery assembly” on page 163
v “1020 Mini-PCI cover and Mini-PCI card” on page 163
v “1030 Memory cover and Memory card” on page 165
v “1060 Keyboard” on page 167
v “1080 Middle cover” on page 170
v “1090 LCD assembly” on page 171
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 173

1

Step

Size (Quantity)

Color

Torque

2

M2.5 x L4(1)

Black

2.5 kgf-cm

1170 Modem Cable (with Combo card)
v “1010 Battery assembly” on page 163
v “1020 Mini-PCI cover and Mini-PCI card” on page 163
v “1030 Memory cover and Memory card” on page 165
v “1060 Keyboard” on page 167
v “1080 Middle cover” on page 170
v “1090 LCD assembly” on page 171
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 173
v “1150 System board” on page 178

180

ThinkPad R30/R31 HMM

1180 Modem Card (without Combo card)
v “1010 Battery assembly” on page 163
v “1020 Mini-PCI cover and Mini-PCI card” on page 163
v “1030 Memory cover and Memory card” on page 165
v “1040 Hard disk drive assembly” on page 166
v “1050 CD-ROM assembly” on page 167
v “1060 Keyboard” on page 167
v “1080 Middle cover” on page 170
v “1090 LCD assembly” on page 171
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 173
v “1150 System board” on page 178

MT 2656, 2657, 2676

181

1

Step

Size (Quantity)

Color

Torque

1

M2.5 x L5 (2)

Silver

3.2 kgf-cm

1190 Hard disk drive bezel
v “1010 Battery assembly” on page 163
v “1020 Mini-PCI cover and Mini-PCI card” on page 163
v “1030 Memory cover and Memory card” on page 165
v “1040 Hard disk drive assembly” on page 166
v “1050 CD-ROM assembly” on page 167
v “1060 Keyboard” on page 167
v “1080 Middle cover” on page 170
v “1090 LCD assembly” on page 171
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 173
v “1150 System board” on page 178

182

ThinkPad R30/R31 HMM

1
Step

Size (Quantity)

Color

Torque

1

M2 x L6 (2)

Silver

1.6 kgf-cm

1200 CD-ROM chassis
v “1010 Battery assembly” on page 163
v “1020 Mini-PCI cover and Mini-PCI card” on page 163
v “1030 Memory cover and Memory card” on page 165
v “1040 Hard disk drive assembly” on page 166
v “1050 CD-ROM assembly” on page 167
v “1060 Keyboard” on page 167
v “1080 Middle cover” on page 170
v “1090 LCD assembly” on page 171
v “1070 Backup battery” on page 114
v “1100 Keyboard bezel” on page 173
v “1150 System board” on page 178
v “1170 Modem Cable (with Combo card)” on page 180

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1

2

3

Step

Size (Quantity)

Color

Torque

2

M2 x L4 (1)

Silver

2.5 kgf-cm

3

M2.5 x L5 (1)

Silver

3.2 kgf-cm

184

ThinkPad R30/R31 HMM

4

5

Step

Size (Quantity)

Color

Torque

4

M2.5 x L5 (2)

Silver

3.2 kgf-cm

5

M2 x L6 (1)

Silver

1.6 kgf-cm

1210 LCD bezel assembly (13.3″)
v “1010 Battery assembly” on page 163
v “1020 Mini-PCI cover and Mini-PCI card” on page 163
v “1030 Memory cover and Memory card” on page 165
v “1060 Keyboard” on page 167
v “1080 Middle cover” on page 170
v “1090 LCD assembly” on page 171

1

MT 2656, 2657, 2676

185

2

3

Step

Size (Quantity)

Color

2

M2 x L4(2)

Silver

Torque
2.5 kgf-cm

3

M2.5 x L6(2)

Black

2.5 kgf-cm

7
4

3

6
5

3

Note: When removing the LCD, take note of the following:
v Be careful not to scratch the LCD bezel when
removing the screw mylars.
v The LCD bezel has several latches. Release
these latches; then remove the LCD bezel. Be
careful not to break these latches.
v Gently push the two LCD latches outward to
remove the LCD bezel.

1220 LCD Inveter (13.3″)
v “1010 Battery assembly” on page 163
v “1020 Mini-PCI cover and Mini-PCI card” on page 163
v “1030 Memory cover and Memory card” on page 165
v “1060 Keyboard” on page 167
v “1080 Middle cover” on page 170

186

ThinkPad R30/R31 HMM

v “1090 LCD assembly” on page 171
v “1210 LCD bezel assembly (13.3″)” on page 185

1

Step

Size (Quantity)

Color

Torque

1

M2 x L10(4)

Black

2.5 kgf-cm

1230 LED board (13.3″)
v “1010 Battery assembly” on page 163
v “1020 Mini-PCI cover and Mini-PCI card” on page 163
v “1030 Memory cover and Memory card” on page 165
v “1060 Keyboard” on page 167
v “1080 Middle cover” on page 170
v “1090 LCD assembly” on page 171
v “1210 LCD bezel assembly (13.3″)” on page 185

1
2

MT 2656, 2657, 2676

187

4

3

1240 LCD bracket hinge assembly (13.3″)
v “1010 Battery assembly” on page 163
v “1020 Mini-PCI cover and Mini-PCI card” on page 163
v “1030 Memory cover and Memory card” on page 165
v “1060 Keyboard” on page 167
v “1080 Middle cover” on page 170
v “1090 LCD assembly” on page 171
v “1210 LCD bezel assembly (13.3″)” on page 185
v “1220 LCD Inveter (13.3″)” on page 186
v “1230 LED board (13.3″)” on page 187

1

Step

Size (Quantity)

Color

Torque

1

M2 x L4 (4)

Silver

2.5 kgf-cm

1250 LCD FPC assembly (13.3″)
v “1010 Battery assembly” on page 163
v “1020 Mini-PCI cover and Mini-PCI card” on page 163

188

ThinkPad R30/R31 HMM

v “1030 Memory cover and Memory card” on page 165
v “1060 Keyboard” on page 167
v “1080 Middle cover” on page 170
v “1090 LCD assembly” on page 171
v “1210 LCD bezel assembly (13.3″)” on page 185
v “1220 LCD Inveter (13.3″)” on page 186
v “1230 LED board (13.3″)” on page 187
v “1240 LCD bracket hinge assembly (13.3″)” on page 188

1

Step

Size (Quantity)

Color

Torque

1

M2 x L4(1)

Silver

2.5 kgf-cm

MT 2656, 2657, 2676

189

2

1260 Wireless reassembly
v “1240 LCD bracket hinge assembly (13.3″)” on page 188
v “1230 LED board (13.3″)” on page 187

190

ThinkPad R30/R31 HMM

Locations
Front View

System-status indicators
Computer display
Volume & mute buttons
TrackPoint

Power button

Ultrabay plus

Rear View

Security keyhole
Power jack
Parallel port
Monitor connector
Modem connector
Ethernet connector
S-Video out connector
USB connector

Bottom View
12

1

2

11

9

3
10

4

5

9
8

7 6
10

1. Battery pack
2. Mini-PCI Card slot door
MT 2656, 2657, 2676

191

3. Memory slot door
4. Docking connector

192

ThinkPad R30/R31 HMM

Switch Locations

Boot Block
ENABLE

CHKPW
DISABLE

Boot Block
DISABLE

CHKPW
DISABLE

Boot Block
ENABLE

CHKPW
ENABLE

Boot Block
DISABLE

CHKPW
ENABLE

MT 2656, 2657, 2676

193

Parts list
1
2
3
4

23

5
23
6

7
8

9

22

10
24

12
11

21

13

14
15
16
17

18

20

19
Note: The parts marked with asterisk are CRUs (customer
replaceable units.)
No.

Description

FRU No.

1

Hinge Cap

26P9722

2

Keyboard unit (“Keyboard” on page 201)

3

Middle Cover ASM WW

26P9727

4

KBD Bezel Asm. WW

46L6378

5

Cable Asm. kit , RJ11 and lid switch

27L0689

RJ-11 Cable for CDC board model
RJ-11 Cable mini PCI combo board
model
Lid switch Cable

194

ThinkPad R30/R31 HMM

No.

Description

FRU No.

6

Antenna Kit 13.3″

26P9712

Antenna Kit 14.1″

26P9711

Antenna Aux
Antenna LCD
7

CPU Cel 1133 MHz

26P8156

CPU Cel 1200 MHz

26P8157

CPU Cel 1.33 GHz

26P8158

CPU P-III 1.2 GHz

26P8285

CPU P-III 1.266 GHz

26P8363

8

Crypto Card

26P8084

9

CDC Modem Card

26P8256

10

FAN Asm.

26P9723

11

Heatsink

46L6365

12

Planar w/o IEEE1394

26P8350

Planar w/ IEEE1394

26P8352

13

PCMCIA Slot

26P9724

14

HDD w/tray & screws module IBM /10
GB

08K9796*

HDD w/tray & screws module HITACHI
/10 GB

08K9798*

HDD w/tray & screws module IBM /20
GB

08K9729*

HDD w/tray & screws module HITACHI
/20 GB

08K9731*

HDD w/tray & screws module IBM /20
GB

08K9761*

HDD w/tray & screws module HITACHI
/20 GB

08K9763*

HDD w/tray & screws module IBM /30
GB

08K9665*

HDD w/tray & screws module HITACHI
/30 GB

08K9666*

HDD w/tray & screws module IBM /30
GB

08K9733*

HDD w/tray & screws module HITACHI
/30 GB

08K9746*

HDD w/tray & screws module IBM /40
GB

08K9742*

HDD w/tray & screws module HITACHI
/40 GB

08K9744*

15

HDD Cover WW

26P9737

16

Lower Case w/ label WW

12P4323

Lower Case w/ label EMEA

12P4324

Lower Case w/ label IIPC

12P4325

MT 2656, 2657, 2676

195

No.

17

Description

FRU No.

Lower Case w/ label Korea

12P4326

Lower Case w/ label Taiwan

12P4327

Lower Case w/ label India

46L6371

Lower Case w/ label India 2656

12P4333

Lower Case w/ label W/W 2657

12P4334

Lower Case w/ label EMEA 2657

12P4335

Lower Case w/ label IIPC 2657

12P4336

Lower Case w/ label Korea 2657

12P4337

Lower Case w/ label Taiwan 2657

12P4338

Lower Case w/ label India 2657

12P4339

Lower Case w/ label W/W 2676

12P4340

Lower Case w/ label EMEA 2676

12P4341

Lower Case w/ label IIPC 2676

12P4342

Lower Case w/ label Korea 2676

12P4343

Lower Case w/ label Taiwan 2676

12P4344

Lower Case w/ label India 2676

12P4345

Lower Case w/ label WW-wireless

12P4328

Lower Case w/ label EMEA-wireless

12P4329

Lower Case w/ label IIPC-wireless

12P4330

Lower Case w/ label Korea-wireless

12P4331

Lower Case w/ label Taiwan-wireless

12P4332

SoDIMM Asm.—128MB

19K4653*

SoDIMM Asm.—256MB

19K4655*

18

Combo 802.11b/Modem combo card

12P3637*

19

Mini-PCI / DIMM door kit

46L6335*

20

Battery Assy. (Ni-Mh)
02K6827*
Sanyo-W/W
02K6835*
Sanyo-Japan
Battery Assy. (Li-Ion)
02K6822*
Sanyo-W/W
02K6830*
Sanyo-Japan
02K6824*
Panasonic-W/W
02K6832*
Panasonic-Japan

21

Speaker Kit

08K4618

22

RTC Battery

02K7062

196

ThinkPad R30/R31 HMM

No.

Description

23

CD-ROM Module

FRU No.
27L3436*

TEAC
27L4301*
HLDS(LG)
DVD-ROM Module
27L4351*
MKE
27L4355*
HLDS(Hitachi)
CD-RW Module
27L4231*
SONY
27L4297*
TEAC
CD-RW/DVD-ROM combo Module
27L4359*
KME
24

Heatsink DC-DC

46P2555

Rubber Kit

26P9742

PCMCIA screw cap* 3
rubber foot * 3
LCD bezel screw cap (W/W) *4
IEEE-1394 dummy label
IEEE-1394 icon label
Screw Kit

26P9741

HDD COIN SCREW
M/B HEX SCREW
SCREW DIMM COVER STEEL
SCREW MACH PAN NYLOK M2.0*13
NI
BH MSN+N SCREW M2.0*6
SCREW MACH FLAT M3*2.8
SCREW HDD M3*L4
WCH MSN+CZ SCREW M2.5*5
SCREW M2.5L10B 86.9A353100
SCREW M2.5*6
SCREW M2.4 WAFER NI

MT 2656, 2657, 2676

197

No.

Description

FRU No.

Misc common

26P9740

Battery Knob
Battery Latch
Battery Spring
CD-ROM Pull bar
CD-ROM Latch
CD-ROM Spring for latch
CD-ROM Spring for CD-ROM pull bar
PCMCIA door
PCMCIA Spring

LCD FRU
13.3-inch TFT:

1

3
2
3

4
5

6

7
8
No.

Description

FRU No.

1

13.3″ LCD Bezel

46L6330

198

ThinkPad R30/R31 HMM

No.

Description

2

LCD Panel Asm (13.3″ TFT)

FRU No.
11P8212

Tori-Sanyo
11P8220
LG
3

13.3″ Hinge-Bracket Asm (R,L)

26P9720

4

LCD-Invertor / LED card (for 13.3″ &
14.1″ TFT)

26P8139

LCD-Invertor / LED card —Sumida (for
13.3″ & 14.1″ TFT)

26P8153

5

LCD cable Asm.

27L0687

6

Antenna Kit 13.3″ LCD

26P9712

Antenna w/ 13.3″ LCD
Antenna aux
7

LCD Rear Cover Asm for 13.3″/14.1″ (
for Wireless model )

26P9709

13.3″/14.1″ LCD rear cover
13.3″/14.1″ LCDPanel W/Wireless
IBM Logo
LCD Rear Cover Asm for 13.3″/14.1″

26P9707

13.3″/14.1″ LCD rear cover
13.3″/14.1″ LCDPanel W/O Wireless
IBM Logo
8

LCD Hinge Cap

26P9722

LG/IBM Logo Kit

08K5860

for LCD Rear Cover
for KBD Bezel

MT 2656, 2657, 2676

199

14.1-inch TFT:

1

3
2
3

4
5

6

7
8
No.

Description

FRU No.

1

14.1″ LCD Bezel (for W/W)

46L6329

2

LCDPanel Asm. (14.1″ TFT)
11P8214
Hyundai
46L2356
Samsung
11P8210
LG

3

14.1″ Hinge-Bracket Asm (R,L)

26P9719

4

LCD-Invertor / LED card (for 13.3″ &
14.1″ TFT)

26P8139

LCD-Invertor / LED card —Sumida (for
13.3″ & 14.1″ TFT)

26P8153

5

LCD cable Asm.

27L0686

6

Antenna Kit 14.1″ LCD

26P9711

Antenna w/ 14.1″ LCD
Antenna aux

200

ThinkPad R30/R31 HMM

No.

Description

7

LCD Rear Cover Asm for 13.3″/14.1″ (for 26P9709
W/W)

FRU No.

13.3″/14.1″ LCD rear cover
13.3″/14.1″ LCDPanel W/Wireless
IBM Logo
LCD Rear Cover Asm for 13.3″/14.1″ (for 26P9707
W/O W)
13.3″/14.1″ LCD rear cover
13.3″/14.1″ LCDPanel W/O Wireless
IBM Logo
8

LCD Hinge Cap Asm.

26P9722

LG/IBM Logo Kit

08K5860

for LCD Rear Cover
for KBD Bezel

Keyboard
Description

Vendor

FRU No.

KBD ASM US English

NMB

12P4260*

KBD ASM Canadian French

NMB

12P4262*

KBD ASM German

NMB

12P4264*

KBD ASM UK English

NMB

12P4266*

KBD ASM French

NMB

12P4268*

KBD ASM Dutch

NMB

12P4270*

KBD ASM Swedish/Finnish

NMB

12P4272*

KBD ASM Norwegian

NMB

12P4274*

KBD ASM Danish

NMB

12P4276*

KBD ASM Italian

NMB

12P4278*

KBD ASM European Spanish

NMB

12P4280*

KBD ASM Belgian

NMB

12P4282*

KBD ASM Switzerland

NMB

12P4284*

KBD ASM Portuguese

NMB

12P4286*

KBD ASM Russian

NMB

12P4290*

KBD ASM Slovakian

NMB

12P4306*

KBD ASM Slovenian

NMB

12P4304*

KBD ASM Traditional Chinese

NMB

12P4310*

KBD ASM Turkish

NMB

12P4296*

KBD ASM Arabic

NMB

12P4288*

KBD ASM Hebrew

NMB

12P4292*

KBD ASM Polish

NMB

12P4294*

KBD ASM Czech

NMB

12P4298*

KBD ASM Hungarian

NMB

12P4300*

MT 2656, 2657, 2676

201

Description

Vendor

FRU No.

KBD ASM Greek

NMB

12P4302*

KBD ASM Japan

NMB

12P4308*

KBD ASM Korea

NMB

12P4312*

KBD ASM La Spanish

NMB

12P4314*

KBD ASM US English

Chicony

02K6212*

KBD ASM Canadian French

Chicony

02K6214*

KBD ASM German

Chicony

02K6216*

KBD ASM UK English

Chicony

02K6218*

KBD ASM French

Chicony

02K6220*

KBD ASM Dutch

Chicony

02K6222*

KBD ASM Swedish/Finnish

Chicony

02K6224*

KBD ASM Norwegian

Chicony

02K6226*

KBD ASM Danish

Chicony

02K6228*

KBD ASM Italian

Chicony

02K6230*

KBD ASM European Spanish

Chicony

02K6232*

KBD ASM Belgian

Chicony

02K6234*

KBD ASM Switzerland

Chicony

02K6236*

KBD ASM Portuguese

Chicony

02K6238*

KBD ASM Arabic

Chicony

02K6240*

KBD ASM Russian

Chicony

02K6242*

KBD ASM Hebrew

Chicony

02K6244*

KBD ASM Polish

Chicony

02K6246*

KBD ASM Turkish

Chicony

02K6248*

KBD ASM Czech

Chicony

02K6250*

KBD ASM Hungarian

Chicony

02K6252*

KBD ASM Greek

Chicony

02K6254*

KBD ASM Slovenian

Chicony

02K6256*

KBD ASM Slovakian

Chicony

02K6258*

KBD ASM Japan

Chicony

02K6260*

KBD ASM Traditional Chinese

Chicony

08K4500*

KBD ASM Korea

Chicony

08K4502*

KBD ASM La Spanish

Chicony

08K4504*

Common parts list
Tools:
Description

FRU No.

Tri-Connector Wrap Plug

72X8546

PC Test Card

35G4703

Audio Wrap Cable

66G5180

202

ThinkPad R30/R31 HMM

Description

FRU No.

USB Parallel Test Cable

05K2580

Screwdriver Kit

95F3598

5mm Socket Wrench

05K4694

Screwdriver

27L8126

Wireless Antenna Connector Removal Tool

08K7159

ThinkPad hardware maintenance diskette
version 1.10

Note: The data may look the same with the sample hmm
but the diskette version is different.
Telephone cable:
Description

FRU No.

Telephone cable (US/C, TWN, APS, LA,
BRZL)

27L0465

Telephone cable (UK, IR, NZ)

27L0442

Telephone cable (Germany)

27L0441

Telephone cable (Italy)

27L0448

Telephone cable (France)

27L0443

Telephone cable (DK, DE, PO)

27L0447

Telephone cable (SW, SU)

27L0445

Telephone cable (FI, NO, NS)

27L0446

Telephone cable (Australia)

27L0467

Telephone cable (ND, NU)

27L0444

Telephone cable (SF, SI, SG, SE)

27L0462

Telephone cable (BE, BK, BS, BD, BF)

27L0451

Telephone cable (Austria)

27L0449

Telephone cable (Spain)

27L0450

AC adapter:
Description

FRU No.

AC Adapter, 72W 3-pin (Astec)

02K6751*

AC Adapter, 72W 3-pin (Delta)

02K6754*

AC Adapter, 72W 2-pin (Astec)

02K6753*

AC Adapter, 72W 2-pin (Delta)

02K6756*

Power cords: IBM power cords for a specific country are
usually available only in that country.

MT 2656, 2657, 2676

203

For 2–pin power cords:
IBM power
cord part
number

Used in these countries or regions

13H5264*

Canada, U.S.A.

13H5273*

Japan

36L8870*

Argentina

49P2095*

Brazil

For 3–pin power cords:
Note: The grounded adapter is required for full MPRII
compliance. If a 3–pin power cord came with your
computer, see “Safety Information” on page 13.
IBM power
cord part
number

Used in these countries or regions

76H3514*

Australia, New Zealand

76H3516*

US, Canada

76H3530*

Italy

76H3520*

Denmark

76H3524*

UK, Hong Kong

76H3518*

European Countries

76H3522*

South Africa, India

76H3532*

Israel

76H3535*

Korea

02K0539*

China (P.R.C.)

76H3528*

Switzerland

Recovery CD List:
Description

FRU No.

Models

Recovery CD Eng-XP
Home (UD)

01R5847

2656–MIG, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD Eng-XP
Home (US)

01R5348

2656–2HU, 1AU, 3CU,
1GU, 38U, 2HH, 2KH,
1EH, 1EA, 1EM, 1BM,
1DA, L1U, 1BU, NAU,
M9U, K1H, L1H, L8H,
KMH, KAA, M1A, KBA,
KAM, MAM, MLM, KGM

Recovery CD
Norway-XP Home

01R5857

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD
Netherland-XP Home

01R5856

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

204

ThinkPad R30/R31 HMM

Recovery CD
Finland-XP Home

01R5855

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD Italy-XP
Home

01R5854

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD
Spanish-XP Home

01R5852

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG, 2HS,
1AS, 2HX, 1AX

Recovery CD
Denmark-XP Home

01R5849

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD
Sweden-XP Home

01R5853

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD
French-XP Home

01R5850

2656–LAF, LBF, M9F,
M1G, MLG, T9G, 1DG,
2GG, 4CG, LAF, LBF,
M9F, 2HF, 1AF, 3CF,
1GF, 38F

Recovery CD
German-XP Home

01R5851

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD
Portuguese-XP Home

01R5848

2656–2PH, 1AP

Recovery CD
Japan-XP Home

62P8849

2656–1JJ

Recovery CD
Traditional Chinese-XP
Home

67P5000

2656–L1T, KAT, KGT,
2HT, 1ET

Recovery CD
Simplified Chinese-XP
Home

67P5003

2656–K1C, KMC, 2HC

Recovery CD
HongKong Traditional
Chinese-XP Home

67P5006

2656–L7B, K1B, KMB,
2JB, 1EB

Recovery CD Turkey
Enabled-XP Home

01R5861

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD
Greek-XP Home

01R5863

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD
Hungary-XP Home

01R5864

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD
Russian-XP Home

01R5865

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD
Polish-XP Home

01R5861

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD Hebrew
Enabled-XP Home

01R5860

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD CZ-XP
Home

01R5859

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD
Arabic-XP Home

01R5858

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD Eng-XP
Pro(UD)

01R5790

2656–M2G, M3G M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

MT 2656, 2657, 2676

205

Recovery CD Eng-XP
Pro(US)

01R5347

2656–2GU, 2LU, 2VU,
37U, 1CU, 1FU, KCU,
KDU, 39U, KEU, KFU,
1LM, 2MM, L2U, L6U,
M2U, NYU, M2M, M5M,
NHM, NEM

Recovery CD
Norway-XP Pro

01R5800

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
Netherland-XP Pro

01R5799

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
Finland-XP Pro

01R5798

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD Italy-XP
Pro

01R5797

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
Spanish-XP Pro

01R5795

2656–M2G, M3G, M7G,
MEG, R5X, R7X, TAX,
R5S, R7S, TAS, 2GS,
2LS, 2GX, 2LX R9G,
1CG, 2CG, 2NG, 2EG,
3CG

Recovery CD
Denmark-XP Pro

01R5792

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
Sweden-XP Pro

01R5796

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
French-XP Pro

01R5793

2656–M2G, M3G, M7G,
MEG, NXF, MFF, 37F,
39F, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
German-XP Pro

01R5794

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
Portuguese-XP Pro

01R5791

2656–M2G, M3G, M7G,
MEG, R5P, R7P, TAP,
R9G, 1CG, 2CG, 2NG,
2EG, 3CG, 2GP, 2LP

Recovery CD
Japan-XP Pro

67P4785

2656–2GP, 2LP, 1WJ,
1MJ, GAJ, 1PJ

Recovery CD
Traditional Chinese-XP
Pro

67P5001

2656–MBT, 1KT

Recovery CD Turkey
Enabled-XP Pro

01R5805

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
Greek-XP Pro

01R5806

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
Hungary-XP Pro

01R5807

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

206

ThinkPad R30/R31 HMM

Recovery CD
Russian-XP Pro

01R5808

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
Polish-XP Pro

01R5804

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD Hebrew
Enabled-XP Pro

01R5803

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD CZ-XP
Pro

01R5802

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
Arabic-XP Pro

01R5801

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
Eng-Win2000 (US)

01R6084

2656–R6U, R8U, TBU

Recovery CD
Portuguess-Win2000

01R6085

2656–R6P, R8P, TBP

Recovery CD
Spanish-Win2000

01R6086

2656–R6S, R8S, TBS,
R6X, R8X, TBX

Recovery CD
Japan-Win2000

67P4782

2656–GBJ, 1HJ

Option Parts List
Battery charges:
Description

FRU No.

Charger Main Battery Li-Ion —W/W

02K6821

Charger Main Battery Li-Ion —Japan

02K6829

Ultrabay devices:
Description

FRU No.

CD—RW drive (SONY)

08K9617*

Diskette drive (TEAC)

08K9606*

Diskette drive (SONY)

08K9607*

SuperDisk drive (LS120 x 2)

05K9235*

SuperDisk drive (LS240)

08K9615*

ZIP—250 drive

00N8254*

2nd HDD adapter

08K6067*

Ultrabay Plus device carrier

26P9388*

Ultrabay Plus numeric keypad

19K2056*

Ultrabay Plus cradle for WorkPad c500 series

26P9389*

MT 2656, 2657, 2676

207

ThinkPad R31 Part III
This section applies to the following models: 2656-2Gx,
2656-2Hx, 2656-2Jx, 2656-2Kx, 2656-2Lx, 2656-1Ax,
2656-2Vx, 2656-1Bx, 2656-2Px, 2656-2Mx, 2656-1Cx,
2656-2Cx, 2656-2Nx, 2656-2Ex, 2656-1Dx, 2656-2Gx,
2656-1Fx, 2656-1Gx, 2656-1Ix, 2656-1Jx, 2656-1Kx,
2656-Lx, 2656-Mx, 2656-1Ox, 2656-1Px, 2656-37x,
2656-3Cx, 2656-3Ax, 2656-38x, 2656-KCU, 2656-KDU,
2656-KEU, 2656-KFU, 2656-GAJ, 2657-GBJ, 2656-3CG,
2656-4CG, 2656-2HC, 2656-1EM, 2656-1EA, 2656-1EB,
2656-1EH, 2656-1HK, 2656-1HT, 2656-L3x, 2656-L4x,
2656-L5x, 2656-L6x, 2656-M1x, 2656-M2x, 2656-M3x,
2656-M4x, 2656-M5x, 2656-M6x, 2656-PYx, 2656-NHx,
2656-NEx, 2656-N5x, 2656-N2x, 2656-NYx, 2656-NXx,
2656-R5x, 2656-R6x, 2656-R2x, 2656-R3x, 2656-T2J,
2656-T4J, 2656-TAP, 2656-TAS, 2656-TAX, 2656-TBP,
2656-TBS, 2656-TBX, 2656-M3G, 2656-MLG,
2656-K1B/K1H/K1C, 2656-MLM, 2656-KBA/KBK,
2656-KGM/KGK/KGT, 2656-KMB/KMH, 2656-KJJ,
2656-KMC, 2656-KAM/KAK/KAT, 2656-TAU, 2656-TBU,
2656-R9G, 2656-T9G.

208

ThinkPad R30/R31 HMM

Product overview
The following shows an overview of the system features.
Feature

Description

Processor

Intel Celeron processor 1.33/1.20 GHz

Bus architecture

Host bus 64bits/133 MHz, PCI 32
bits/33 MHz, LPC 4bits/33MHz,
PCMCIA 16 bits, Cardbus 32 bits/32
MHz

System memory

128 MB or 256 MB base main memory
on system board PC 133
Two 144pins SODIMM slots supports
64 MB, 128MB, 256MB, and 512MB
DIMM cards
Frequency: PC 133
Maximum size: 1024 MB

CMOS RAM

242 bytes + 4 Kbytes

Video

Intel 830 MG with 2D/3D Graphics
accelerator.
Dynamically variable video memory
size
13.3–inch, 24 bit true colors, 1024x768
pixel TFT XGA color LCD
14.1–inch, 24 bit true colors, 1024x768
pixel TFT XGA color LCD

Audio

AC97 audio Intel
16–bit audio
Internal stereo speakers

Diskette drive (optional)

External 1.44MB (3–mode), 3.5 inch
floppy drive via USB interface
(Bootable)

Hard disk drive

20GB, 30GB, or 40GB, 2.5–inch
9.5mm height, E-IDE interface

CD-ROM drive

CD-ROM: 5.25–inch, 24X speed,
E-IDE interface
DVD— ROM : 8X speed
DVD/ CD— RW : 16X DVD/ CD-RW
CD-RW

Modem

Integrated CDC soft Modem 56 Kbps
Data/Fax Modem

Ethernet (optional)

LAN on motherboard . It supports
10/100Mbps

MT 2656, 2657, 2676

209

Feature

Description

IEEE 1394 (optional)

Ti TSB43AB21 1394 controller on
board
IEEE 1394.a 4–pin connector — no
cable power
100Mbps, 200Mbps and 400Mbps

PC Card (PCMCIA)

One Type I/II or Type III

I/O ports

External monitor
Speaker-out
Microphone-in
DC-in
TV-out (S-Video out)
Parallel
Two USBs
IEEE 1394a (Selected models only)
Telephone (RJ11)
LAN (RJ45, Selected models only)

Power

72–Watt AC Adapter
6–cell Li-Ion & 8–cell NiMH Battery
Packs (Dumb Battery)

Status indicators
The system-status indicators on the computer show the
current status of your computer by their on or off states
and colors (green and orange). Each indicator is identified
with a symbol. The following shows the location and the
meaning of each icon:

210

ThinkPad R30/R31 HMM

7

6

Symbol

Color

Meaning

(1) Drive in use

Green

Data is being read from or
written to the hard disk. Do
not enter standby mode or
power off the computer
when this indicator is on.

(2) Numeric lock

Green

The numeric keypad on the
keyboard is enabled. You
enable or disable the
keypad by pressing and
holding the Shift key, and
pressing the NumLk key.
For details, see the User’s
Reference.

(3) Caps lock

Green

Caps Lock mode is
enabled. All alphabetic
characters (A-Z) are
entered in capital letters
without the Shift key being
pressed. You enable or
disable the Caps Lock
mode by pressing the Caps
Lock key.

(4) Scroll lock

Green

Scroll Lock mode is
enabled. The Arrow keys
can be used as
screen-scroll function keys.
The cursor cannot be
moved with the Arrow
keys. Not all application
programs support this
function. You enable or
disable Scroll Lock mode by
pressing the ScrLk key.

(5) Power on

Green

The computer is
operational. This indicator is
on when the computer is
on.

MT 2656, 2657, 2676

211

Symbol

Color

Meaning

(6) Battery status

Green

Enough battery power
remains for operation.

Blinking
green

The battery power charges
up to 80% full power

Blinking
orange

The battery pack needs to
be charged

Orange

The battery pack is being
charged.

Green

The computer is in standby
mode

(7) Standby mode

FRU tests
The following table shows the applicable test for each FRU
using PC-Doctor.
FRU

Applicable test

System board

1. CPU/Coprocessor (Diagnostics)
2. System board (Diagnostics)

Power

Battery (Diagnostics)

LCD unit

1. Video Adapter (Diagnostics)
2. Video (Interactive Tests)

Modem

1. Make sure the modem set up
correctly.
2. Replacing the modem jack and
modem card one at a time, run the
modem tests in Other Devices
(Diagnostics)

Audio

Internal Speaker (Interactive Tests)

Speaker

System beeper: Internal Speaker
(Interactive Tests)

PC Card slots

System board (Diagnostics)

Keyboard

1. Keyboard (Diagnostics)

Stereo Speaker (Interactive Tests)

2. Keyboard (Interactive Tests)

212

ThinkPad R30/R31 HMM

FRU

Applicable test

TrackPont or Pointing
device

If the TrackPoint does not work, see if an
external PS/2 mouse is connected to the
mouse/keyboard connector and remove
it. The TrackPoint is automatically
disabled if an external PS/2 mouse is
attached. Check also if the TrackPoint
driver is correctly installed by accessing
Windows Device Manager via the System
icon in the Control Panel.
After you use the TrackPoint, the pointer
drifts on the screen for a short time. This
self-acting pointer movement can occur
when a slight, steady pressure is applied
to the TrackPoint pointer. This symptom
is not a hardware problem. No service
actions are necessary if the pointer
movement stops in a short period of time.
If this does not correct the TrackPoint
problem, continue with the following:
Mouse (Interactive Tests).

Hard disk drive

Fixed Disks (Diagnostics)

CD-ROM drive

CD-ROM, DVD, CD-RW, DVD/CD-RW
(Interactive Tests)

Memory

1. If a DIMM is installed, remove it and
run Memory Test-Quick (Diagnostics)
2. If the problem does not recur, replace
the DIMM and run the test again.
3. If the test does not detect the error,
run Memory Test-Full (Diagnostics)

Fan

1. Power on system and check the air
turbulence at the louver at the rear of
the computer.
2. Run the fan test in Other Devices
(Diagnostics).

MT 2656, 2657, 2676

213

Parts list
1
2
3
4

23

5
23
6

7
8

9

22

10
24

12
11

21

13

14
15
16
17

18

20

19
Note: The parts marked with asterisk are CRUs (customer
replaceable units.)
No.

Description

FRU No.

1

Hinge Cap

26P9722

2

Keyboard unit (“Keyboard” on page 220)

3

Middle Cover ASM WW

26P9727

4

KBD Bezel Asm. WW

46L6378

5

Cable Asm. kit , RJ11 and lid switch

27L0689

RJ-11 Cable for CDC board model
RJ-11 Cable mini PCI combo board
model
Lid switch Cable

214

ThinkPad R30/R31 HMM

No.

Description

FRU No.

6

Antenna Kit 13.3″

26P9712

Antenna Kit 14.1″

26P9711

Antenna Aux
Antenna LCD
7

CPU Cel 1200 MHz

26P8157

CPU Cel 1.13 GHz

26P8284

CPU Cel 1.33 GHz

26P8158

8

Crypto Card

26P8084

9

CDC Modem Card

26P8256

10

FAN Asm.

26P9723

11

Heatsink

46L6365

12

Planar w/o IEEE1394

26P8350

Planar w/ IEEE1394

26P8352

13

PCMCIA Slot

26P9724

14

HDD w/tray & screws module IBM /20
GB

08K9729*

HDD w/tray & screws module HITACHI
/20 GB

08K9731*

HDD w/tray & screws module IBM /20
GB

08K9761*

HDD w/tray & screws module HITACHI
/20 GB

08K9763*

HDD w/tray & screws module IBM /30
GB

08K9665*

HDD w/tray & screws module HITACHI
/30 GB

08K9666*

HDD w/tray & screws module IBM /30
GB

08K9733*

HDD w/tray & screws module HITACHI
/30 GB

08K9746*

HDD w/tray & screws module IBM /40
GB

08K9742*

HDD w/tray & screws module HITACHI
/40 GB

08K9744*

15

HDD Cover WW

26P9737

16

Lower Case w/ label WW

12P4323

Lower Case w/ label EMEA

12P4324

Lower Case w/ label IIPC

12P4325

Lower Case w/ label Korea

12P4326

Lower Case w/ label Taiwan

12P4327

Lower Case w/ label India

46L6371

Lower Case w/ label India 2656

12P4333

Lower Case w/ label W/W 2657

12P4334

MT 2656, 2657, 2676

215

No.

Description

FRU No.

Lower Case w/ label EMEA 2657

12P4335

Lower Case w/ label IIPC 2657

12P4336

Lower Case w/ label Korea 2657

12P4337

Lower Case w/ label Taiwan 2657

12P4338

Lower Case w/ label India 2657

12P4339

Lower Case w/ label W/W 2676

12P4340

Lower Case w/ label EMEA 2676

12P4341

Lower Case w/ label IIPC 2676

12P4342

Lower Case w/ label Korea 2676

12P4343

Lower Case w/ label Taiwan 2676

12P4344

Lower Case w/ label India 2676

12P4345

Lower Case w/ label WW-wireless

12P4328

Lower Case w/ label EMEA-wireless

12P4329

Lower Case w/ label IIPC-wireless

12P4330

Lower Case w/ label Korea-wireless

12P4331

Lower Case w/ label Taiwan-wireless

12P4332

Lower Case w/ label WW 2657 –wireless

62P4342

SoDIMM Asm.—128MB

19K4653*

SoDIMM Asm.—256MB

19K4655*

18

Combo 802.11b/Modem combo card

12P3637*

19

Mini-PCI / DIMM door kit

46L6335*

20

Battery Assy. (Ni-Mh)

17

02K6827*
Sanyo-W/W
02K6835*
Sanyo-Japan
Battery Assy. (Li-Ion)
02K6822*
Sanyo-W/W
02K6830*
Sanyo-Japan
02K6824*
Panasonic-W/W
02K6832*
Panasonic-Japan
21

Speaker Kit

08K4618

22

RTC Battery

02K7062

23

CD-ROM Module
27L3436*
TEAC
27L4301*
HLDS(LG)
DVD-ROM Module
27L4351*
MKE
27L4355*
HLDS(Hitachi)

216

ThinkPad R30/R31 HMM

No.

Description

FRU No.

CD-RW Module
27L4297*
TEAC
CD-RW/DVD-ROM combo Module
08K9818*
KME
08K9820
HLDS
24

Heatsink DC-DC

46P2555

Rubber Kit

26P9742

PCMCIA screw cap* 3
rubber foot * 3
LCD bezel screw cap (W/W) *4
IEEE-1394 dummy label
IEEE-1394 icon label
Screw Kit

26P9741

HDD COIN SCREW
M/B HEX SCREW
SCREW DIMM COVER STEEL
SCREW MACH PAN NYLOK M2.0*13
NI
BH MSN+N SCREW M2.0*6
SCREW MACH FLAT M3*2.8
SCREW HDD M3*L4
WCH MSN+CZ SCREW M2.5*5
SCREW M2.5L10B 86.9A353100
SCREW M2.5*6
SCREW M2.4 WAFER NI
Misc common

26P9740

Battery Knob
Battery Latch
Battery Spring
CD-ROM Pull bar
CD-ROM Latch
CD-ROM Spring for latch
CD-ROM Spring for CD-ROM pull bar
PCMCIA door
PCMCIA Spring

MT 2656, 2657, 2676

217

LCD FRU
13.3-inch TFT:

1

3
2
3

4
5

6

7
8
No.

Description

FRU No.

1

13.3″ LCD Bezel

46L6330

2

LCD Panel Asm (13.3″ TFT)
11P8212
Tori-Sanyo
11P8220
LG

3

13.3″ Hinge-Bracket Asm (R,L)

26P9720

4

LCD-Invertor / LED card (for 13.3″ &
14.1″ TFT)

26P8139

LCD-Invertor / LED card —Sumida (for
13.3″ & 14.1″ TFT)

26P8153

5

LCD cable Asm.

27L0687

6

Antenna Kit 13.3″ LCD

26P9712

Antenna w/ 13.3″ LCD
Antenna aux

218

ThinkPad R30/R31 HMM

No.

Description

FRU No.

7

LCD Rear Cover Asm for 13.3″/14.1″ (
for Wireless model )

26P9709

13.3″/14.1″ LCD rear cover
13.3″/14.1″ LCDPanel W/Wireless
IBM Logo
LCD Rear Cover Asm for 13.3″/14.1″

26P9707

13.3″/14.1″ LCD rear cover
13.3″/14.1″ LCDPanel W/O Wireless
IBM Logo
8

LCD Hinge Cap

26P9722

LG/IBM Logo Kit

08K5860

for LCD Rear Cover
for KBD Bezel

14.1-inch TFT:

1

3
2
3

4
5

6

7
8
No.

Description

FRU No.

1

14.1″ LCD Bezel (for W/W)

46L6329

MT 2656, 2657, 2676

219

No.

Description

2

LCD Panel Asm. (14.1″ TFT)

FRU No.
11P8214

Hyundai
46L2356
Samsung
11P8210
LG
3

14.1″ Hinge-Bracket Asm (R,L)

26P9719

4

LCD-Invertor / LED card (for 13.3″ &
14.1″ TFT)

26P8139

LCD-Invertor / LED card —Sumida (for
13.3″ & 14.1″ TFT)

26P8153

5

LCD cable Asm.

27L0686

6

Antenna Kit 14.1″ LCD

26P9711

Antenna w/ 14.1″ LCD
Antenna aux
7

LCD Rear Cover Asm for 13.3″/14.1″ (for 26P9709
W/W)
13.3″/14.1″ LCD rear cover
13.3″/14.1″ LCDPanel W/Wireless
IBM Logo
LCD Rear Cover Asm for 13.3″/14.1″ (for 26P9707
W/O W)
13.3″/14.1″ LCD rear cover
13.3″/14.1″ LCDPanel W/O Wireless
IBM Logo

8

LCD Hinge Cap Asm.

26P9722

LG/IBM Logo Kit

08K5860

for LCD Rear Cover
for KBD Bezel

Keyboard
Description

Vendor

FRU No.

KBD ASM US English

NMB

12P4260*

KBD ASM Canadian French

NMB

12P4262*

KBD ASM German

NMB

12P4264*

KBD ASM UK English

NMB

12P4266*

KBD ASM French

NMB

12P4268*

KBD ASM Dutch

NMB

12P4270*

KBD ASM Swedish/Finnish

NMB

12P4272*

KBD ASM Norwegian

NMB

12P4274*

KBD ASM Danish

NMB

12P4276*

KBD ASM Italian

NMB

12P4278*

KBD ASM European Spanish

NMB

12P4280*

220

ThinkPad R30/R31 HMM

Description

Vendor

KBD ASM Belgian

NMB

FRU No.
12P4282*

KBD ASM Swiss

NMB

12P4284*

KBD ASM Portuguese

NMB

12P4286*

KBD ASM Russian

NMB

12P4290*

KBD ASM Slovakian

NMB

12P4306*

KBD ASM Slovenian

NMB

12P4304*

KBD ASM Traditional Chinese

NMB

12P4310*

KBD ASM Turkish

NMB

12P4296*

KBD ASM Arabic

NMB

12P4288*

KBD ASM Hebrew

NMB

12P4292*

KBD ASM Polish

NMB

12P4294*

KBD ASM Czech

NMB

12P4298*

KBD ASM Hungarian

NMB

12P4300*

KBD ASM Greek

NMB

12P4302*

KBD ASM Japan

NMB

12P4308*

KBD ASM Korea

NMB

12P4312*

KBD ASM La Spanish

NMB

12P4314*

KBD ASM US English

Chicony

02K6212*

KBD ASM Canadian French

Chicony

02K6214*

KBD ASM German

Chicony

02K6216*

KBD ASM UK English

Chicony

02K6218*

KBD ASM French

Chicony

02K6220*

KBD ASM Dutch

Chicony

02K6222*

KBD ASM Swedish/Finnish

Chicony

02K6224*

KBD ASM Norwegian

Chicony

02K6226*

KBD ASM Danish

Chicony

02K6228*

KBD ASM Italian

Chicony

02K6230*

KBD ASM European Spanish

Chicony

02K6232*

KBD ASM Belgian

Chicony

02K6234*

KBD ASM Switzerland

Chicony

02K6236*

KBD ASM Portuguese

Chicony

02K6238*

KBD ASM Arabic

Chicony

02K6240*

KBD ASM Russian

Chicony

02K6242*

KBD ASM Hebrew

Chicony

02K6244*

KBD ASM Polish

Chicony

02K6246*

KBD ASM Turkish

Chicony

02K6248*

KBD ASM Czech

Chicony

02K6250*

KBD ASM Hungarian

Chicony

02K6252*

KBD ASM Greek

Chicony

02K6254*

KBD ASM Slovenian

Chicony

02K6256*

MT 2656, 2657, 2676

221

Description

Vendor

KBD ASM Slovakian

Chicony

FRU No.
02K6258*

KBD ASM Japan

Chicony

02K6260*

KBD ASM Traditional Chinese

Chicony

08K4500*

KBD ASM Korea

Chicony

08K4502*

KBD ASM La Spanish

Chicony

08K4504*

Common parts list
Tools:
Description

FRU No.

Tri-Connector Wrap Plug

72X8546

PC Test Card

35G4703

Audio Wrap Cable

66G5180

USB Parallel Test Cable

05K2580

Screwdriver Kit

95F3598

5mm Socket Wrench

05K4694

Screwdriver

27L8126

Wireless Antenna Connector Removal Tool

08K7159

ThinkPad hardware maintenance diskette
version 1.10

Note: The data may look the same with the sample hmm
but the diskette version is different.
Telephone cable:
Description

FRU No.

Telephone cable (US/C, TWN, APS, LA,
BRZL)

27L0465

Telephone cable (UK, IR, NZ)

27L0442

Telephone cable (Germany)

27L0441

Telephone cable (Italy)

27L0448

Telephone cable (France)

27L0443

Telephone cable (DK, DE, PO)

27L0447

Telephone cable (SW, SU)

27L0445

Telephone cable (FI, NO, NS)

27L0446

Telephone cable (Australia)

27L0467

Telephone cable (ND, NU)

27L0444

Telephone cable (SF, SI, SG, SE)

27L0462

Telephone cable (BE, BK, BS, BD, BF)

27L0451

Telephone cable (Austria)

27L0449

222

ThinkPad R30/R31 HMM

Description

FRU No.

Telephone cable (Spain)

27L0450

AC adapter:
Description

FRU No.

AC Adapter, 72W 3-pin (Astec)

02K6751*

AC Adapter, 72W 3-pin (Delta)

02K6754*

AC Adapter, 72W 2-pin (Astec)

02K6753*

AC Adapter, 72W 2-pin (Delta)

02K6756*

Power cords: IBM power cords for a specific country are
usually available only in that country.
For 2–pin power cords:
IBM power
cord part
number

Used in these countries or regions

13H5264*

Canada, U.S.A.

13H5273*

Japan

36L8870*

Argentina

49P2095*

Brazil

For 3–pin power cords:
Note: The grounded adapter is required for full MPRII
compliance. If a 3–pin power cord came with your
computer, see “Safety Information” on page 13.
IBM power
cord part
number

Used in these countries or regions

76H3514*

Australia, New Zealand

76H3516*

US, Canada

76H3530*

Italy

76H3520*

Denmark

76H3524*

UK, Hong Kong

76H3518*

European Countries

76H3522*

South Africa, India

76H3532*

Israel

76H3535*

Korea

02K0539*

China (P.R.C.)

76H3528*

Switzerland

MT 2656, 2657, 2676

223

Recovery CD List:
Description

FRU No.

Models

Recovery CD Eng-XP
Home (UD)

01R5847

2656–MIG, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD Eng-XP
Home (US)

01R5348

2656–2HU, 1AU, 3CU,
1GU, 38U, 2HH, 2KH,
1EH, 1EA, 1EM, 1BM,
1DA, L1U, 1BU, NAU,
M9U, K1H, L1H, L8H,
KMH, KAA, M1A, KBA,
KAM, MAM, MLM, KGM

Recovery CD
Norway-XP Home

01R5857

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD
Netherland-XP Home

01R5856

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD
Finland-XP Home

01R5855

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD Italy-XP
Home

01R5854

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD
Spanish-XP Home

01R5852

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG, 2HS,
1AS, 2HX, 1AX

Recovery CD
Denmark-XP Home

01R5849

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD
Sweden-XP Home

01R5853

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD
French-XP Home

01R5850

2656–LAF, LBF, M9F,
M1G, MLG, T9G, 1DG,
2GG, 4CG, LAF, LBF,
M9F, 2HF, 1AF, 3CF,
1GF, 38F

Recovery CD
German-XP Home

01R5851

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD
Portuguese-XP Home

01R5848

2656–2PH, 1AP

Recovery CD Japan-XP
Home

62P8849

2656–1JJ

Recovery CD
Traditional Chinese-XP
Home

67P5000

2656–L1T, KAT, KGT,
2HT, 1ET

Recovery CD Simplified
Chinese-XP Home

67P5003

2656–K1C, KMC, 2HC

Recovery CD
HongKong Traditional
Chinese-XP Home

67P5006

2656–L7B, K1B, KMB,
2JB, 1EB

Recovery CD Turkey
Enabled-XP Home

01R5861

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD Greek-XP
Home

01R5863

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD
Hungary-XP Home

01R5864

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

224

ThinkPad R30/R31 HMM

Recovery CD
Russian-XP Home

01R5865

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD Polish-XP
Home

01R5861

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD Hebrew
Enabled-XP Home

01R5860

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD CZ-XP
Home

01R5859

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD Arabic-XP 01R5858
Home

2656–M1G, MLG, T9G,
1DG, 2GG, 4CG

Recovery CD Eng-XP
Pro(UD)

01R5790

2656–M2G, M3G M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD Eng-XP
Pro(US)

01R5347

2656–2GU, 2LU, 2VU,
37U, 1CU, 1FU, KCU,
KDU, 39U, KEU, KFU,
1LM, 2MM, L2U, L6U,
M2U, NYU, M2M, M5M,
NHM, NEM

Recovery CD
Norway-XP Pro

01R5800

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
Netherland-XP Pro

01R5799

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
Finland-XP Pro

01R5798

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD Italy-XP
Pro

01R5797

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
Spanish-XP Pro

01R5795

2656–M2G, M3G, M7G,
MEG, R5X, R7X, TAX,
R5S, R7S, TAS, 2GS,
2LS, 2GX, 2LX R9G,
1CG, 2CG, 2NG, 2EG,
3CG

Recovery CD
Denmark-XP Pro

01R5792

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
Sweden-XP Pro

01R5796

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
French-XP Pro

01R5793

2656–M2G, M3G, M7G,
MEG, NXF, MFF, 37F,
39F, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
German-XP Pro

01R5794

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
Portuguese-XP Pro

01R5791

2656–M2G, M3G, M7G,
MEG, R5P, R7P, TAP,
R9G, 1CG, 2CG, 2NG,
2EG, 3CG, 2GP, 2LP

MT 2656, 2657, 2676

225

Recovery CD Japan-XP
Pro

67P4785

2656–M6J, MCJ, MDJ,
T2J, N5J, N2J, PYJ,
2GP, 2LP, 1WJ, 1MJ,
GAJ, 1PJ

Recovery CD
Traditional Chinese-XP
Pro

67P5001

2656–MBT, 1KT

Recovery CD Turkey
Enabled-XP Pro

01R5805

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD Greek-XP
Pro

01R5806

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
Hungary-XP Pro

01R5807

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
Russian-XP Pro

01R5808

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD Polish-XP
Pro

01R5804

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD Hebrew
Enabled-XP Pro

01R5803

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD CZ-XP
Pro

01R5802

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD Arabic-XP 01R5801
Pro

2656–M2G, M3G, M7G,
MEG, R9G, 1CG, 2CG,
2NG, 2EG, 3CG

Recovery CD
Eng-Win2000 (US)

01R6084

2656–R6U, R8U, TBU

Recovery CD
Portuguess-Win2000

01R6085

2656–R6P, R8P, TBP

Recovery CD
Spanish-Win2000

01R6086

2656–R6S, R8S, TBS,
R6X, R8X, TBX

Recovery CD
Japan-Win2000

67P4782

2656–L3J, T4J, GBJ,
1HJ

Option Parts List
Battery charges:
Description

FRU No.

Charger Main Battery Li-Ion —W/W

02K6821

Charger Main Battery Li-Ion —Japan

02K6829

226

ThinkPad R30/R31 HMM

Ultrabay devices:
Description

FRU No.

CD—RW drive (SONY)

08K9617*

Diskette drive (TEAC)

08K9606*

Diskette drive (SONY)

08K9607*

SuperDisk drive (LS120 x 2)

05K9235*

SuperDisk drive (LS240)

08K9615*

ZIP—250 drive

00N8254*

2nd HDD adapter

08K6067*

Ultrabay Plus device carrier

26P9388*

Ultrabay Plus numeric keypad

19K2056*

Ultrabay Plus cradle for WorkPad c500 series

26P9389*

MT 2656, 2657, 2676

227

Notices
References in this publication to IBM products, programs,
or services do not imply that IBM intends to make these
available in all countries in which IBM operates. Any
reference to an IBM product, program, or service is not
intended to state or imply that only IBM product, program,
or service may be used. Subject to IBM’s valid intellectual
property or other legally protectable rights, any functionally
equivalent product program, or service may be used
instead of the IBM product, program, or service. The
evaluation and verification of operation in conjunction with
other products, except those expressly designated by IBM,
are the responsibility of the user.
IBM may have patents or pending patent applications
covering subject matter in this document. The furnishing of
this document does not give you any license to these
patents. You can send license inquiries, in writing, to:
IBM Director of Licensing
IBM Corporation
500 Columbus Avenue
Thornwood, NY 10594
U.S.A.

228

ThinkPad R30/R31 HMM

Trademarks
The following terms are trademarks or service marks of
IBM Corporation in the United States and other countries:
IBM
USB
ThinkPad
TrackPoint
TrackPoint IV
The following terms are trademarks or service marks of
other companies as follows:
AMD-K6-2

Advanced Micro Devices, Inc.

AMD

Advanced Micro Devices, Inc.

Intel

Intel Corporation

Celeron

Intel Corporation

Mylar

E.I. Du Pont de Nemours and Company

PC-Doctor

Watergate Software, Inc.

PCMCIA

Personal Computer Memory Card Interface
Association

Pentium

Intel Corporation

MT 2656, 2657, 2676

229



---

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Modify Date                     : 2002:12:18 20:53:28+09:00
Create Date                     : 2002:11:26 17:09:11Z
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Mod Date                        : 2002:12:18 20:53:28+09:00
Keywords                        : 
Author                          : IBM
Creation Date                   : 2002:11:26 17:09:11Z
Metadata Date                   : 2002:12:18 20:53:28+09:00
Description                     : 
Creator                         : IBM
Title                           : ThinkPad R30/R31 HMM

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