Asus P7P55D Pro Owner S Manual

2014-07-05

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Motherboard

P7P55D
PRO

E4988
Second Edition (V2)
August 2009

No part of this manual, including the products and software described in it, may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any
means, except documentation kept by the purchaser for backup purposes, without the express written
permission of ASUSTeK COMPUTER INC. (“ASUS”).
Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless
such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the
product is defaced or missing.

ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS
DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS,
LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE),
EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY
DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.
SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR
INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE,
AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO
RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS
MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.
Products and corporate names appearing in this manual may or may not be registered trademarks or
copyrights of their respective companies, and are used only for identification or explanation and to the
owners’ benefit, without intent to infringe.

Contents
Contents....................................................................................................................... iii

Notices ...................................................................................................................... viii
Safety information....................................................................................................... ix
About this guide........................................................................................................... x

P7P55D PRO specifications summary..................................................................... xii

Chapter 1:
1.1

1.2
1.3

Package contents....................................................................................... 1-1
Special features.......................................................................................... 1-2

1.3.1

Product highlights........................................................................ 1-2

1.3.3

ASUS Xtreme Design—Hybrid Phase......................................... 1-3

1.3.2
1.3.4
1.3.5

Chapter 2:
2.1

2.2

ASUS Exclusive Features............................................................ 1-3

Hardware information

Motherboard overview................................................................................ 2-2
Motherboard layout...................................................................... 2-2

2.2.3

Placement direction..................................................................... 2-4

2.2.4

Layout contents............................................................................ 2-3
Screw holes................................................................................. 2-4

Central Processing Unit (CPU).................................................................. 2-5

2.3.1

Installing the CPU........................................................................ 2-5

2.3.3

Uninstalling the CPU heatsink and fan........................................ 2-9

Installing the CPU heatsink and fan............................................. 2-8

System memory........................................................................................ 2-10

2.4.1

Overview.................................................................................... 2-10

2.4.3

Installing a DIMM....................................................................... 2-19

2.4.2

2.5

ASUS Xtreme Design—Hybrid OS.............................................. 1-3

2.2.1

2.3.2
2.4

ASUS Xtreme Design—Hybrid Processor................................... 1-3

Before you proceed.................................................................................... 2-1

2.2.2

2.3

Product introduction

Welcome!..................................................................................................... 1-1

2.4.4

Memory configurations............................................................... 2-11
Removing a DIMM..................................................................... 2-19

Expansion slots........................................................................................ 2-20

2.5.1

Installing an expansion card...................................................... 2-20

2.5.3

Interrupt assignments................................................................ 2-21

2.5.2
2.5.4
2.5.5
2.5.6

Configuring an expansion card.................................................. 2-20
PCI slots..................................................................................... 2-22
PCI Express 2.0 x1 slots (2.5GT/s)............................................ 2-22
PCI Express 2.0 x16 slots.......................................................... 2-22

iii

Contents
2.6

2.7
2.8

Jumpers..................................................................................................... 2-24
Onboard switches..................................................................................... 2-25
Connectors................................................................................................ 2-27

2.8.1

Rear panel connectors............................................................... 2-27

2.8.3

Internal connectors.................................................................... 2-31

2.8.2

2.9

2.10
2.11

2.8.4.

3.2

Starting up for the first time..................................................................... 2-42
Turning off the computer.......................................................................... 2-42

Updating BIOS............................................................................................. 3-1

3.2.1

ASUS Update utility..................................................................... 3-2

3.2.3

ASUS CrashFree BIOS 3 utility................................................... 3-5

3.2.4

BIOS menu screen....................................................................... 3-8

3.3.3

Navigation keys............................................................................ 3-9

3.3.5
3.3.6
3.3.7
3.3.8
3.3.9

Menu bar...................................................................................... 3-8
Menu items.................................................................................. 3-9
Submenu items............................................................................ 3-9
Configuration fields...................................................................... 3-9
Pop-up window............................................................................ 3-9
Scroll bar...................................................................................... 3-9
General help................................................................................ 3-9

Main menu................................................................................................. 3-10

3.4.1

SATA 1-6.................................................................................... 3-10

3.4.3

AHCI Configuration.................................................................... 3-13

3.4.2
3.4.4

Storage Configuration................................................................ 3-12
System Information.................................................................... 3-13

Ai Tweaker menu....................................................................................... 3-14

3.5.1

Ai Overclock Tuner [Auto].......................................................... 3-14

3.5.3

Intel(R) SpeedStep(TM) Tech [Enabled].................................... 3-15

3.5.2
3.5.4

ASUS BIOS Updater.................................................................... 3-5

3.3.1

3.3.4

3.5

ASUS EZ Flash 2 utility................................................................ 3-4

BIOS setup program................................................................................... 3-8

3.3.2

3.4

BIOS setup

Knowing BIOS............................................................................................. 3-1

3.2.2

3.3

ASUS Q-Connector (system panel)........................................... 2-40

Onboard LEDs........................................................................................... 2-41

Chapter 3:
3.1

Audio I/O connections................................................................ 2-28

CPU Ratio Setting [Auto]........................................................... 3-15
DRAM Frequency [Auto]............................................................ 3-16

Contents
3.5.5

DRAM Timing Control................................................................ 3-16

3.5.8

Xtreme Phase Full Power Mode [Auto]...................................... 3-16

3.5.7
3.5.9

3.5.10
3.5.11

3.5.12
3.5.13
3.5.14
3.5.15
3.5.16
3.5.17
3.5.18
3.5.19
3.5.20
3.6

3.5.21

BCLK Frequency [XXX]............................................................. 3-16
PCIE Frequency [XXX].............................................................. 3-16
CPU Differential Amplitude [Auto].............................................. 3-18
CPU Clock Skew [Auto]............................................................. 3-18
CPU Voltage Mode [Offset] ....................................................... 3-19
IMC Voltage [Auto] .................................................................... 3-19
DRAM Voltage [Auto]................................................................. 3-19
CPU PLL Voltage [Auto]............................................................. 3-19
PCH Voltage [Auto].................................................................... 3-20
DRAM DATA REF Voltage on CHA/B [Auto].............................. 3-20
Load-Line Calibration [Auto]...................................................... 3-20
CPU Spread Spectrum [Auto].................................................... 3-20
PCIE Spread Spectrum [Auto]................................................... 3-20

3.6.1

CPU Configuration..................................................................... 3-21

3.6.3

Onboard Devices Configuration................................................. 3-24

3.6.4
3.6.5
3.6.6
3.6.7

North Bridge Configuration........................................................ 3-23
USB Configuration..................................................................... 3-25
PCIPnP...................................................................................... 3-26
Intel VT-d [Disabled]................................................................... 3-26
T.Probe [Enabled]...................................................................... 3-26

Power menu............................................................................................... 3-27

3.7.1

Suspend Mode [Auto]................................................................ 3-27

3.7.3

ACPI 2.0 Support [Disabled]...................................................... 3-27

3.7.2
3.7.4
3.7.5
3.7.6
3.8

Intel(R) TurboMode Tech [Enabled]........................................... 3-16

Advanced menu........................................................................................ 3-21

3.6.2

3.7

QPI Frequency [Auto]................................................................ 3-16

3.5.6

3.7.7

Repost Video on S3 Resume [No]............................................. 3-27
ACPI APIC Support [Enabled].................................................... 3-27
EuP Ready [Disabled]................................................................ 3-27
APM Configuration..................................................................... 3-28
Hardware Monitor...................................................................... 3-29

Boot menu................................................................................................. 3-30

3.8.1

Boot Device Priority................................................................... 3-30

3.8.3

Security...................................................................................... 3-32

3.8.2

Boot Settings Configuration....................................................... 3-31

Contents
3.9

Tools menu................................................................................................ 3-34

3.9.1

ASUS O.C. Profile...................................................................... 3-34

3.9.3

ASUS EZ Flash 2....................................................................... 3-36

3.9.2

3.10

3.9.4

4.2

4.3

Support DVD information........................................................................... 4-1

4.2.1
4.2.2

ASUS PC Probe II........................................................................ 4-3

4.3.3

ASUS Fan Xpert.......................................................................... 4-5

4.3.6
4.3.7

ASUS AI Suite.............................................................................. 4-4
ASUS EPU................................................................................... 4-6
ASUS Express Gate.................................................................... 4-7
VIA® High Definition Audio utility.................................................. 4-8
ASUS T.Probe.............................................................................. 4-9

ASUS Unique Overclocking Utility—TurboV EVO.................................. 4-10

4.4.1

Using ASUS TurboV................................................................... 4-10

4.4.3

Using ASUS Turbo Key.............................................................. 4-12

4.4.2

Using ASUS TurboV Auto Tuning Mode..................................... 4-11

RAID configurations................................................................................. 4-13

4.5.1

RAID definitions......................................................................... 4-13

4.5.3

Setting the RAID item in BIOS................................................... 4-14

4.5.2
4.5.4

Installing Serial ATA hard disks.................................................. 4-14
Intel® Matrix Storage Manager option ROM utility...................... 4-14

Creating a RAID driver disk..................................................................... 4-18

4.6.1

Creating a RAID driver disk without entering the OS................. 4-18

4.6.3

Installing the RAID driver during Windows® OS installation....... 4-18

4.6.2
4.6.4

Obtaining the software manuals.................................................. 4-2

4.3.1

4.3.5

4.6

Running the support DVD............................................................ 4-1

Software information.................................................................................. 4-3

4.3.4

4.5

Software support

Installing an operating system.................................................................. 4-1

4.3.2

4.4

Express Gate [Auto]................................................................... 3-36

Exit menu................................................................................................... 3-37

Chapter 4:
4.1

AI NET 2..................................................................................... 3-35

Creating a RAID driver disk in Windows®.................................. 4-18
Using a USB floppy disk drive.................................................... 4-19

Contents
Chapter 5:
5.1

Multiple GPU technology support

ATI® CrossFireX™ technology................................................................... 5-1

5.1.1

Requirements............................................................................... 5-1

5.1.3

Installing two CrossFireX™ graphics cards................................. 5-2

5.1.2

Before you begin.......................................................................... 5-1

5.1.4

Installing three CrossFireX™ graphics cards............................... 5-3

5.1.5
5.2

Installing the device drivers.......................................................... 5-4

5.1.6

Enabling the ATI® CrossFireX™ technology................................ 5-4

NVIDIA SLI™ technology.......................................................................... 5-6
®

5.2.1

Requirements............................................................................... 5-6

5.2.3

Installing the device drivers.......................................................... 5-7

5.2.2
5.2.4

Installing two SLI-ready graphics cards....................................... 5-6
Enabling the NVIDIA® SLI™ technology...................................... 5-7

vii

Notices
Federal Communications Commission Statement
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions:
•
•

This device may not cause harmful interference, and

This device must accept any interference received including interference that may cause
undesired operation.

This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not installed
and used in accordance with manufacturer’s instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not occur
in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user
is encouraged to try to correct the interference by one or more of the following measures:
•

Reorient or relocate the receiving antenna.

•

Connect the equipment to an outlet on a circuit different from that to which the receiver is
connected.

•

Increase the separation between the equipment and receiver.

Consult the dealer or an experienced radio/TV technician for help.

The use of shielded cables for connection of the monitor to the graphics card is required
to assure compliance with FCC regulations. Changes or modifications to this unit not
expressly approved by the party responsible for compliance could void the user’s authority
to operate this equipment.

Canadian Department of Communications Statement
This digital apparatus does not exceed the Class B limits for radio noise emissions from
digital apparatus set out in the Radio Interference Regulations of the Canadian Department
of Communications.
This class B digital apparatus complies with Canadian ICES-003.

REACH
Complying with the REACH (Registration, Evaluation, Authorisation, and Restriction of
Chemicals) regulatory framework, we published the chemical substances in our products at
ASUS REACH website at http://green.asus.com/english/REACH.htm.
DO NOT throw the motherboard in municipal waste. This product has been designed to
enable proper reuse of parts and recycling. This symbol of the crossed out wheeled bin
indicates that the product (electrical and electronic equipment) should not be placed in
municipal waste. Check local regulations for disposal of electronic products.
DO NOT throw the mercury-containing button cell battery in municipal waste. This symbol
of the crossed out wheeled bin indicates that the battery should not be placed in municipal
waste.

viii

Safety information
Electrical safety
•
•
•
•
•
•
•

To prevent electrical shock hazard, disconnect the power cable from the electrical outlet
before relocating the system.
When adding or removing devices to or from the system, ensure that the power cables
for the devices are unplugged before the signal cables are connected. If possible,
disconnect all power cables from the existing system before you add a device.
Before connecting or removing signal cables from the motherboard, ensure that all
power cables are unplugged.

Seek professional assistance before using an adapter or extension cord. These devices
could interrupt the grounding circuit.

Ensure that your power supply is set to the correct voltage in your area. If you are not sure
about the voltage of the electrical outlet you are using, contact your local power company.
If the power supply is broken, do not try to fix it by yourself. Contact a qualified service
technician or your retailer.
The optical S/PDIF is an optional component (may or may not be included in your
motherboard) and is defined as a CLASS 1 LASER PRODUCT.
INVISIBLE LASER RADIATION, AVOID EXPOSURE TO BEAM.

•
•
•

Never dispose of the battery in fire. It could explode and release harmful substances into
the environment.
Never dispose of the battery with your regular household waste. Take it to a hazardous
material collection point.
Never replace the battery with an incorrect battery type.
•

RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE.

•

DISPOSE OF USED BATTERIES ACCORDING TO THE ABOVE BATTERY-RELATED
INSTRUCTIONS.

Operation safety
•
•
•
•

Before installing the motherboard and adding devices on it, carefully read all the manuals
that came with the package.
Before using the product, ensure all cables are correctly connected and the power
cables are not damaged. If you detect any damage, contact your dealer immediately.
To avoid short circuits, keep paper clips, screws, and staples away from connectors,
slots, sockets and circuitry.

Avoid dust, humidity, and temperature extremes. Do not place the product in any area
where it may become wet.
This motherboard should only be used in environments with ambient temperatures between
5°C (41°F) and 40°C (104°F).

•
•

Place the product on a stable surface.

If you encounter technical problems with the product, contact a qualified service
technician or your retailer.
ix

About this guide
This user guide contains the information you need when installing and configuring the motherboard.

How this guide is organized
This guide contains the following parts:
•

Chapter 1: Product introduction

This chapter describes the features of the motherboard and the new technology it
supports.

•

Chapter 2: Hardware information

•

Chapter 3: BIOS setup

•

Chapter 4: Software support

•

Chapter 5: Multiple GPU technology support

This chapter lists the hardware setup procedures that you have to perform when
installing system components. It includes description of the switches, jumpers, and
connectors on the motherboard.
This chapter tells how to change system settings through the BIOS Setup menus.
Detailed descriptions of the BIOS parameters are also provided.
This chapter describes the contents of the support DVD that comes with the
motherboard package and the software.
This chapter describes how to install and configure multiple ATI® CrossFireX™ and
NVIDIA® SLI™ graphics cards.

Where to find more information
Refer to the following sources for additional information and for product and software updates.
1.

ASUS websites

The ASUS website provides updated information on ASUS hardware and software
products. Refer to the ASUS contact information.
Optional documentation

Your product package may include optional documentation, such as warranty flyers,
that may have been added by your dealer. These documents are not part of the
standard package.

Conventions used in this guide
To ensure that you perform certain tasks properly, take note of the following symbols used
throughout this manual.
DANGER/WARNING: Information to prevent injury to yourself when trying to
complete a task.
CAUTION: Information to prevent damage to the components when trying to
complete a task.

IMPORTANT: Instructions that you MUST follow to complete a task.

NOTE: Tips and additional information to help you complete a task.

Typography
Bold text

Indicates a menu or an item to select.

Italics

Used to emphasize a word or a phrase.

Keys enclosed in the less-than and greater-than sign means
that you must press the enclosed key.

Example: means that you must press the Enter or
Return key.

+ + If you must press two or more keys simultaneously, the key

names are linked with a plus sign (+).

Example: + +

P7P55D PRO specifications summary
CPU

LGA1156 socket for Intel® Core™ i7 / Core™ i5 Processors
Supports Intel® Turbo Boost Technology
* Refer to www.asus.com for Intel CPU support list

Chipset

Intel® P55 Express Chipset

Memory

4 x DIMM, max. 16GB, DDR3 2133(O.C.)* / 1600 / 1333 /
1066 MHz, non-ECC, un-buffered memory
Dual channel memory architecture
Supports Intel® Extreme Memory Profile (XMP)
* Hyper DIMM support is subject to the physical characteristics of
individual CPUs.
** Refer to www.asus.com or this user manual for the Memory
QVL (Qualified Vendors Lists)

Expansion slots

2 x PCI Express 2.0 x16 slots (single at x16 or dual at x8 / x8 mode)
1 x PCI Express 2.0 x16 slot (at x4 mode, 2.5GT/s)
2 x PCI Express 2.0 x1 slots (2.5GT/s)
2 x PCI slots

Multi-GPU support

Supports NVIDIA® Quad-GPU SLI™ Technology
Supports ATI® Quad-GPU CrossFireX™ Technology

Storage

Intel® P55 Express Chipset
- 6 x SATA 3.0 Gb/s ports
- Intel® Matrix Storage Technology supports SATA RAID 0, 1,
5, and 10
JMicron® JMB363 SATA & PATA controller
- 1 x Ultra DMA 133/100/66 for up to 2 PATA devices
- 1 x External SATA 3.0 Gb/s port (SATA On-the-Go)
- 1 x SATA 3.0 Gb/s port

LAN

Realtek® 8112L Gigabit LAN controller featuring AI NET2

USB

14 x USB 2.0 ports (6 ports at mid-board, 8 ports at back panel)

IEEE 1394

VIA® VT6308P controller supports 2 x IEEE 1394a ports
(one at midboard; one at back panel)

Audio

VIA® VT1828S 8-channel High Definition Audio CODEC
- Absolute Pitch BD192/24
- DTS Surround Sensation UltraPC
- Supports Jack-Detection, Multi-streaming, and
Front Panel Jack-Retasking
- Coaxial / Optical S/PDIF out ports at back I/O
(continued on the next page)

xii

P7P55D PRO specifications summary
ASUS unique features

ASUS Hybrid Processor – TurboV EVO
- Auto Tuning, TurboV and Turbo Key
ASUS Hybrid Phase
- T.Probe Technology for Active Cooling
- 12+2 Phase Power Design
ASUS Hybrid OS – Express Gate
ASUS Xtreme Design
ASUS Exclusive Features:
- MemOK!
- ASUS EPU
ASUS Quiet Thermal Solutions
- ASUS Fanless Design: Stylish heatsink solution
- ASUS Fanless Design: Stack Cool 3
- ASUS Fan Xpert
ASUS Crystal Sound
- ASUS Noise Filter
ASUS EZ DIY
- ASUS Q-Shield
- ASUS Q-Connector
- ASUS O.C. Profile
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 2
- ASUS MyLogo 2™
- Multi-language BIOS

ASUS Q-Design

ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED)
ASUS Q-Slot
ASUS Q-DIMM

ASUS exclusive
overclocking features

Precision Tweaker 2
- vCore: Adjustable CPU voltage at 0.00625V increment
- vIMC: Adjustable IMC voltage at 0.00625V increment
- vDRAM Bus: 81-step DRAM bus voltage control
- vPCH: 2-step chipset voltage control
- vCPU_PLL: 4-step reference voltage control
SFS (Stepless Frequency Selection)
- Internal Base Clock tuning from 80MHz up to 500 MHz at
1MHz increment
- PCI Express frequency tuning from 100MHz up to 200MHz
at 1MHz increment
Overclocking protection
- ASUS C.P.R. (CPU Parameter Recall)
(continued on the next page)

xiii

P7P55D PRO specifications summary
Back panel I/O ports

1 x PS/2 keyboard port (purple)
1 x PS/2 mouse port (green)
1 x Coaxial S/PDIF Out port
1 x Optical S/PDIF Out port
1 x IEEE 1394a port
1 x External SATA port
1 x LAN (RJ-45) port
8 x USB 2.0/1.1 ports
8-channel Audio I/O ports

Internal I/O connectors

3 x USB connectors support additional 6 USB ports
1 x IDE connector
7 x SATA connectors
1 x CPU Fan connector
2 x Chassis Fan connectors (1 x 4-pin, 1 x 3-pin)
1 x Power Fan connector
1 x IEEE1394a connector
1 x COM connector
Front panel audio connector
1 x S/PDIF Out header
CD audio in
24-pin ATX Power connector
8-pin EATX 12V Power connector
System Panel (Q-Connector)
1 x MemOK! button

BIOS features

16 Mb Flash ROM, AMI BIOS, PnP, DMI 2.0, WfM 2.0,
SM BIOS 2.5, ACPI 2.0a, Multi-language BIOS,
ASUS EZ Flash 2, ASUS CrashFree BIOS 3

Manageability

WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE

Support DVD contents

Drivers
ASUS Utilities
ASUS Update
Anti-virus software (OEM version)

Form factor

ATX form factor: 12 in. x 9.6 in. (30.5 cm x 24.4 cm)

*Specifications are subject to change without notice.

xiv

Chapter 1
Chapter 1:

Product introduction

1.1

Welcome!

Thank you for buying an ASUS® P7P55D PRO motherboard!

Chapter 1

The motherboard delivers a host of new features and latest technologies, making it another
standout in the long line of ASUS quality motherboards!
Before you start installing the motherboard, and hardware devices on it, check the items in
your package with the list below.

1.2

Package contents

Check your motherboard package for the following items.

ASUS P7P55D PRO motherboard

1 x Ultra DMA 133/100/66 cable

1 x 2-port USB 2.0 and 1-port
eSATA module

4 x Serial ATA 3.0 Gb/s cables

1 x 2-in-1 ASUS Q-Connector kit

1 x ASUS Q-Shield

nual

User Ma

User guide

Support DVD

•

If any of the above items is damaged or missing, contact your retailer.

•

The illustrated items above are for reference only. Actual product specifications may
vary with different models.

ASUS P7P55D PRO

1-1

1.3

Special features

1.3.1

Product highlights

Chapter 1

Intel® LGA1156 Lynnfield Processor Ready

This motherboard supports the latest Intel® Lynnfield processors in LGA1156 package, which
has memory and PCI Express controller integrated to support 2-channel (4 DIMMs) DDR3
memory and 16 PCI Express 2.0 lanes, providing great graphics performance. Intel® Lynnfield
processor is one of the most powerful and energy efficient CPU in the world. Refer to page
2-5 for details.

Intel® P55

The Intel® P55 Express Chipset is the latest one-chipset design to support the latest 1156
socket Intel® Core™ i7 / Core™ i5 processors. Intel® P55 provides improved performance by
utilizing serial point-to-point links, allowing increased bandwidth and stability.

Quad-GPU SLI™ and Quad-GPU CrossFireX™ support!

P7P55D PRO brings you the multi-GPU choice of either SLI™ or CrossFireX™. The
motherboard features the most powerful Intel® P55 platform to optimize PCIe allocation in
multiple GPU configurations. Expect a brand-new gaming style you’ve never experienced
before! Refer to Chapter 5 for details.

Dual-Channel DDR3 2133(O.C.) / 1600 / 1333 / 1066 support

The motherboard supports DDR3 memory that features data transfer rates of 2133(O.C.) /
1600 / 1333 / 1066 MHz to meet the higher bandwidth requirements of the latest 3D graphics,
multimedia, and Internet applications. The dual-channel DDR3 architecture enlarges the
bandwidth of your system memory to boost system performance. Refer to page 2-10 for
details.

Green ASUS

This motherboard and its packaging comply with the European Union’s Restriction on the
use of Hazardous Substances (RoHS). This is in line with the ASUS vision of creating
environment-friendly and recyclable products/packaging to safeguard consumers’ health
while minimizing the impact on the environment.

1-2

Chapter 1: Product Introduction

1.3.2

ASUS Xtreme Design—Hybrid Processor

TurboV EVO

Chapter 1

The ultimate O.C. processor satisfies every level of overclockers—from die-hard enthusiasts
to beginners. Auto tuning intelligently pushes the system to the fastest clock speeds while
maintaining stability. Turbo Key boosts performance with just one touch; while TurboV offers
more options to advanced overclockers to achieve world O.C. record. Refer to page 4-10 for
details.

Auto Tuning

Auto Tuning is an intelligent tool that automates overclocking to achieve a total system level
up. This tool also provides stability testing. Even O.C. beginners can achieve extreme yet
stable overclocking results with Auto Tuning! Refer to page 4-11 for details.

1.3.3

ASUS Xtreme Design—Hybrid Phase

T.Probe

The T.Probe microchip detects and balances power phase loading and temperature in realtime. This feature optimizes the power phase functions, allowing components to run at lower
temperatures and extending their lifespan.

ASUS 12+2 Phase Power Design

The groundbreaking 12+2 phase VRM design is brought to the ASUS motherboards. 12+2
phase power design, 12-phase for vCore and extra 2-phase for Memory controller inside
CPU can provide the highest power efficiency, and hence generates less heat to effectively
enhance the overclocking capability. With the high quality power components such as low
RDS (on) MOSFETs, Ferrite core chokes with lower hysteresis loss and 100% Japan-made
high quality conductive polymer capacitors, ASUS 12+2 phase VRM design also ensure
longer component life and minimum power loss.

1.3.4

ASUS Xtreme Design—Hybrid OS

Express Gate

Express Gate is an ASUS exclusive OS that provides you with quick access to the Internet and
key applications before entering the Windows® OS. Refer to page 3-36 and 4-7 for details.

1.3.5

ASUS Exclusive Features

MemOK!

Memory compatibility is among the top concerns during computer upgrades. Worry no more.
MemOK! is the fastest memory booting solution today. This remarkable memory rescue tool
requires nothing but a push of a button to patch memory issues and get your system up and
running in no time. The technology is able to determine failsafe settings that can dramatically
improve your system booting success. Refer to page 2-25 for details.

ASUS P7P55D PRO

1-3

ASUS EPU

Chapter 1

The ASUS EPU (Energy Processing Unit) provides total system power management by
detecting current PC loadings and intelligently moderating power usage for critical PC
components in real-time–helping save power and money! Refer to page 4-6 for details.

ASUS Quiet Thermal Solution

ASUS Quiet Thermal solution makes system more stable and enhances the overclocking
capability.
Fan Xpert

ASUS Fan Xpert intelligently allows you to adjust both the CPU and chassis fan speeds
according to different ambient temperatures caused by different climate conditions
in different geographic regions and your PC’s loading. The built-in variety of useful
profiles offer flexible controls of fan speed to achieve a quiet and cool environment.
Refer to page 4-5 for details.

DTS Surround Sensation UltraPC

DTS Surround Sensation UltraPC delivers exceptional 5.1 surround experience through the
most common PC audio setups—your existing stereo speakers or headphones. In addition
to virtual surround, “Bass enhancement” provides stronger low frequency bass sound, and
“Voice clarification” provides clear human dialogue even with loud background sound. With
these technologies, you may experience a better home-theater audio with ease.

ASUS EZ DIY

ASUS EZ DIY feature collection provides you easy ways to install computer components,
update the BIOS or back up your favorite settings.
ASUS Q-Design

ASUS Q-Design enhances your DIY experience. All of Q-LED, Q-Slot and Q-DIMM
design speed up and simplify the DIY process!
ASUS Q-Shield

ASUS Q-Shield’s special design makes it convenient and easy to install on your
motherboard. With better electric conductivity, it ideally protects your motherboard
against static electricity and shields it against Electronic Magnetic Interference (EMI).
ASUS Q-Connector

ASUS Q-Connector allows you to easily connect or disconnect the chassis front panel
cables to the motherboard. This unique module eliminates the trouble of connecting
the system panel cables one at a time and avoiding wrong cable connections. Refer to
page 2-40 for details.
ASUS EZ-Flash 2

ASUS EZ Flash 2 is a user-friendly utility that allows you to update the BIOS without
using a bootable floppy disk or an OS-based utility. Refer to page 3-4 for details.

1-4

Chapter 1: Product Introduction

Chapter 2
Chapter 2:

Hardware information

2.1

Before you proceed

•

Unplug the power cord from the wall socket before touching any component.

•

Before handling components, use a grounded wrist strap or touch a safely grounded
object or a metal object, such as the power supply case, to avoid damaging them due
to static electricity.

•

Hold components by the edges to avoid touching the ICs on them.

•

Whenever you uninstall any component, place it on a grounded antistatic pad or in the
bag that came with the component.

•

Before you install or remove any component, ensure that the ATX power supply is
switched off or the power cord is detached from the power supply. Failure to do so
may cause severe damage to the motherboard, peripherals, or components.

Chapter 2

Take note of the following precautions before you install motherboard components or change
any motherboard settings.

Onboard LED

The motherboard comes with a standby power LED. The green LED lights up to indicate
that the system is ON, in sleep mode, or in soft‑off mode. This is a reminder that you should
shut down the system and unplug the power cable before removing or plugging in any
motherboard component. The illustration below shows the location of the onboard LED.

ASUS P7P55D PRO

2-1

2.2

Motherboard overview

2.2.1

Motherboard layout

Chapter 2
Refer to 2.8 Connectors for more information about rear panel connectors and internal
connectors.

2-2

Chapter 2: Hardware information

Layout contents

Connectors/Jumpers/Slots

Page

ATX power connectors (24-pin EATXPWR, 8-pin EATX12V)

2-38

LGA1156 CPU Socket

2-5

DDR3 DIMM slots

2-10

DRAM overvoltage setting switch (OV_DRAM)

2-26

CPU, chassis, and power fan connectors (4-pin CPU_FAN,
4-pin CHA_FAN1, 3-pin CHA_FAN2, 3-pin PWR_FAN)

2-36

Serial port connector (10-1 pin COM1)

2-35

MemOK! switch

2-25

IDE connector (40-1 pin PRI_EIDE)

2-31

Intel® P55 Serial ATA 3.0 Gb/s connectors (7-pin SATA1–6 [Blue])

2-32

10.

Standby power LED (SB_PWR)

2-1

11.

System panel connector (20-8 pin PANEL)

2-39

12.

JMicron® JMB363 Serial ATA connector (7-pin SATA_E1)

2-33

13.

USB connectors (10-1 pin USB910, USB1112, USB1314)

2-34

14.

Clear RTC RAM (3-pin CLRTC)

2-24

15.

IEEE 1394a port connector (10-1 pin IE1394_2)

2-35

16.

Optical drive audio connector (4-pin CD)

2-34

17.

Front panel audio connector (10-1 pin AAFP)

2-37

18.

Digital audio connector (4-1 pin SPDIF_OUT)

2-37

ASUS P7P55D PRO

Chapter 2

2.2.2

2-3

2.2.3

Placement direction

When installing the motherboard, ensure that you place it into the chassis in the correct
orientation. The edge with external ports goes to the rear part of the chassis as indicated in
the image below.

2.2.4

Screw holes

Place nine screws into the holes indicated by circles to secure the motherboard to the
chassis.
DO NOT overtighten the screws! Doing so can damage the motherboard.

Chapter 2

Place this side towards
the rear of the chassis

2-4

Chapter 2: Hardware information

2.3

Central Processing Unit (CPU)

The motherboard comes with a surface mount LGA1156 socket designed for the Intel®
Core™ i7 / Core™ i5 Processor.

2.3.1

•

Upon purchase of the motherboard, ensure that the PnP cap is on the socket and
the socket contacts are not bent. Contact your retailer immediately if the PnP cap
is missing, or if you see any damage to the PnP cap/socket contacts/motherboard
components. ASUS will shoulder the cost of repair only if the damage is shipment/
transit-related.

•

Keep the cap after installing the motherboard. ASUS will process Return Merchandise
Authorization (RMA) requests only if the motherboard comes with the cap on the
LGA1156 socket.

•

The product warranty does not cover damage to the socket contacts resulting from
incorrect CPU installation/removal, or misplacement/loss/incorrect removal of the PnP
cap.

Chapter 2

Ensure that all power cables are unplugged before installing the CPU.

Installing the CPU

To install a CPU:
1.

Locate the CPU socket on the motherboard.

Press the load lever with your thumb (A),
and then move it to the right (B) until it is
released from the retention tab.

To prevent damage to the socket pins,
do not remove the PnP cap unless you
are installing a CPU.

ASUS P7P55D PRO

Load lever

B
Retention tab

2-5

Lift the load lever in the direction of the
arrow until the load plate is completely
lifted.

Load plate

Chapter 2

Remove the PnP cap from the CPU
socket.
PnP cap

Position the CPU over the socket,
ensuring that the gold triangle is on the
bottom‑left corner of the socket, and then
fit the socket alignment keys into the CPU
notches.
The CPU fits in only one correct
orientation. DO NOT force the CPU
into the socket to prevent bending
the connectors on the socket and
damaging the CPU!

CPU notches

Gold
triangle
mark

Alignment keys

2-6

Chapter 2: Hardware information

Apply some Thermal Interface Material
to the exposed area of the CPU that the
heatsink will be in contact with, ensuring
that it is spread in an even thin layer.
Some heatsinks come with pre-applied
thermal paste. If so, skip this step.

Close the load plate (A), and then push
down the load lever (B), ensuring that
the front edge of the load plate slides
under the retention lock (C).

Chapter 2

The Thermal Interface Material is
toxic and inedible. DO NOT eat it. If
it gets into your eyes or touches your
skin, wash it off immediately, and seek
professional medical help.

Insert the load lever under the retention
tab.

ASUS P7P55D PRO

2-7

2.3.2

Installing the CPU heatsink and fan

The Intel LGA1156 processor requires a specially designed heatsink and fan assembly to
ensure optimum thermal condition and performance.
®

•

When you buy a boxed Intel® processor, the package includes the CPU fan and
heatsink assembly. If you buy a CPU separately, ensure that you use only Intel®‑certified
multi‑directional heatsink and fan.

•

Your Intel® LGA1156 heatsink and fan assembly comes in a push-pin design and
requires no tool to install.

•

Use an LGA1156-compatible CPU heatsink and fan assembly only. The LGA1156
socket is incompatible with the LGA775 and LGA1366 sockets in size and dimension.

Chapter 2

If you purchased a separate CPU heatsink and fan assembly, ensure that the Thermal
Interface Material is properly applied to the CPU heatsink or CPU before you install the
heatsink and fan assembly.

Ensure that you have installed the motherboard to the chassis before you install the CPU
fan and heatsink assembly.

To install the CPU heatsink and fan:
1.
2.

Place the heatsink on top of the installed
CPU, ensuring that the four fasteners
match the holes on the motherboard.

A
B
B

Push down two fasteners at a time in
a diagonal sequence to secure the
heatsink and fan assembly in place.
A

Orient the heatsink and fan assembly such that the CPU fan cable is closest to the CPU fan
connector.

2-8

Chapter 2: Hardware information

Connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN.

Chapter 2

DO NOT forget to connect the CPU fan connector! Hardware monitoring errors can occur if
you fail to plug this connector.

2.3.3

Uninstalling the CPU heatsink and fan

To uninstall the CPU heatsink and fan:
1.
2.
3.

Disconnect the CPU fan cable from the
connector on the motherboard.

Rotate each fastener counterclockwise.
Pull up two fasteners at a time in a
diagonal sequence to disengage the
heatsink and fan assembly from the
motherboard.
A

A
B
B

Carefully remove the heatsink and fan assembly from the motherboard.

ASUS P7P55D PRO

2-9

2.4

System memory

2.4.1

Overview

The motherboard comes with four Double Data Rate 3 (DDR3) Dual Inline Memory Modules
(DIMM) sockets.
A DDR3 module has the same physical dimensions as a DDR2 DIMM but is notched
differently to prevent installation on a DDR2 DIMM socket. DDR3 modules are developed for
better performance with less power consumption.
The figure illustrates the location of the DDR3 DIMM sockets:

Chapter 2
Recommended memory configurations
One DIMM:

Install one memory module in slot A1 or B1 first as a single-channel operation.
Two DIMMs (dual-channel operation):

Four DIMMs (dual-channel operation):

2-10

Chapter 2: Hardware information

2.4.2

Memory configurations

•

You may install varying memory sizes in Channel A and Channel B. The system maps
the total size of the lower-sized channel for the dual-channel configuration. Any excess
memory from the higher-sized channel is then mapped for single-channel operation.

•

Due to Intel spec definition, X.M.P. DIMMs and DDR3-1600 are supported for one
DIMM per channel only.

•

According to Intel CPU spec, DIMM voltage below 1.65V is recommended to protect
the CPU.

•

According to Intel CPU spec, CPUs with a core frequency of 2.66G support the
maximum DIMM frequency of up to DDR3-1333. To use DIMMs of a higher frequency
with a 2.66G CPU, enable the DRAM O.C. Profile feature in BIOS.

•

Always install DIMMs with the same CAS latency. For optimum compatibility, we
recommend that you obtain memory modules from the same vendor.

•

Due to the memory address limitation on 32-bit Windows OS, when you install 4GB
or more memory on the motherboard, the actual usable memory for the OS can be
about 3GB or less. For effective use of memory, we recommend that you do any of the
following:
- Use a maximum of 3GB system memory if you are using a 32-bit Windows OS.
- Install a 64-bit Windows OS when you want to install 4GB or more on the
motherboard.
For more details, refer to the Microsoft® support site at
http://support.microsoft.com/kb/929605/en-us.

•

This motherboard does not support DIMMs made up of 512Mb (64MB) chips or less
(Memory chip capacity counts in Megabit, 8 Megabit/Mb = 1 Megabyte/MB).

•

The default memory operation frequency is dependent on its Serial Presence Detect
(SPD), which is the standard way of accessing information from a memory module.
Under the default state, some memory modules for overclocking may operate at a
lower frequency than the vendor-marked value. To operate at the vendor-marked
or at a higher frequency, refer to section 3.5 Ai Tweaker menu for manual memory
frequency adjustment.

•

For system stability, use a more efficient memory cooling system to support a full
memory load (4 DIMMs) or overclocking condition.

ASUS P7P55D PRO

Chapter 2

You may install 512MB, 1GB, 2GB and 4GB unbuffered and non‑ECC DDR3 DIMMs into the
DIMM sockets.

2-11

P7P55D PRO Motherboard Qualified Vendors Lists (QVL) DDR3-1067MHz
capability for CPU at 2.66, 2.8 and 2.93GHz
SS/ Chip
DS Brand

Vendor

Part No.

Size

CORSAIR

CM3X1024-1066C7

1024MB DS

Crucial

CT12864BA1067.8SFD

1024MB SS

Crucial
Crucial
Crucial
Crucial
Crucial

ELPIDA
ELPIDA
ELPIDA
ELPIDA
Hynix
Hynix
Hynix

Chapter 2

Hynix

CT12864BA1067.8FF
CT12872BA1067.9FF

CT25664BA1067.16FF

CT25664BA1067.16SFD
CT25672BA1067.18FF

EBJ10UE8BAW0-AE-E
EBJ11RD8BAFA-AE-E

EBJ11UD8BAFA-AG-E

EBJ21UE8BAW0-AE-E

HMT112U6AFP8C-G7N0
HYMT112U64ZNF8-G7

HMT125U6AFP8C-G7N0
HYMT125U64ZNF8-G7

KINGSTON KVR1066D3N7/1G
KINGSTON KVR1066D3N7/2G
KINGSTON KVR1066D3N7/4G
MICRON

MT8JTF12864AY-1G1D1

MICRON

MT8JTF12864AZ-1G1F1

MICRON
MICRON
MICRON
MICRON
MICRON
MICRON

MT8JTF12864AZ-1G1F1

MT9JSF12872AZ-1G1F1

1024MB SS
1024MB SS

2048MB DS
2048MB DS
2048MB DS
1024MB SS

1024MB DS
1024MB DS
2048MB DS
1024MB SS
1024MB SS

2048MB DS
2048MB DS
1024MB SS

2048MB DS
4096MB DS
1024MB SS
1024MB SS
1024MB SS
1024MB SS

MT16JTF25664AY-1G1D1 2048MB DS
MT16JTF25664AZ-1G1F1 2048MB DS
MT16JTF25664AZ-1G1F1 2048MB DS
MT18JSF25672AZ-1G1F1 2048MB DS

SAMSUNG M378B5273BH1-CF8

4096MB DS

Asint

1024MB SS

Transcend

TS256MLK64V1U

Asint

SLZ3128M8-EAE

WINTEC

SLY3128M8-EAE
3DU3191A-10

2048MB DS
2048MB DS
1024MB DS

Chip NO.

Timing
Lable(Bios)

N/A

Heat-Sink Package

MICRON

D9JNL

MICRON
MICRON
MICRON
MICRON
MICRON
ELPIDA
ELPIDA
ELPIDA
ELPIDA
HYNIX
HYNIX
HYNIX
HYNIX

ELPIDA
ELPIDA

D9KPT

D9KPT(ECC)
D9KPT
D9JNL

D9KPT(ECC)

J1108BABG-DJ-E

MICRON

1066-7-7-7-20

1.5

•

J1108BABG-DJ-E

8ZF22 D9KPV
D9KPT(ECC)
7VD22

8ZF22 D9KPV
D9KPT

D9KPT(ECC)

J1108BABG-AE-E

Asint

DDRIII1208-AE

IDSH51-03A1F1C-10F

1066-7-7-7-20
7

1.5

7(1066-7-7-7-20)

7(1066-7-7-7-20)
8(7-7-7-20)

7(1066-7-7-7-20)

•

1.5

(7-7-7-20)
7

•

•
•

•

•
•

•

(7-7-7-20)

•

7(1066-7-7-7-20)

•
•

•

7(1066-7-7-7-20)

•

7(1066-9-9-9-25)

•

7(1066-7-7-7-20)

•

•
•

•

1.5

•

1066-7-7-7-20

•

J1108BABG-DJ-E

•

7(1066-7-7-7-20)

•

ELPIDA

Qimonda

•

7(1066-7-7-7-20)

HY5TQ1G831ZNFP-G7 7

SAMSUNG K4B2G0846B-HCF8
Asint

•

H5TQ1G83AFPG7C

D9KPT

MICRON

•

HY5TQ1G831ZNFP-G7 7

MICRON

•

7(1066-7-7-7-20)

•

H5TQ1G83AFPG7C

J1108BABG-DJ-E

•

7(1066-7-7-7-20)

7VD22

MICRON

7(1066-9-9-9-25)

J5308BASE-AC-E

MICRON

1.1

J5308BASE-AC-E(ECC) 7

SAMSUNG K4B2G0846B-HCF8
MICRON

7(1066-7-7-7-20)

DIMM socket
Voltage support (Optional)
A*
B*
C*

•

•
•

•

•
•

•

P7P55D PRO Motherboard Qualified Vendors Lists (QVL) DDR3-1333MHz
capability for CPU at 2.66, 2.8 and 2.93GHz
Part No.

Size

SS/ Chip
DS Brand

Chip NO.

Timing
Dimm(Bios)

A-DATA

AD133301GOU

1024MB

SS A-DATA

AD30908C8D-15IG

1333-9-9-9-24

•

A-DATA

AD31333E002G0U

6144MB(Kit of 3) DS N/A

Heat-Sink Package

7-7-7-20(1333-9-9-9-24) 1.65-1.85 •

•

A-DATA
Apacer
Apacer
Apacer
Apacer
Apacer
Apacer

CORSAIR
CORSAIR
CORSAIR
CORSAIR
CORSAIR
Crucial
Crucial
Crucial
Crucial

2-12

DIMM socket
Voltage support (Optional)
A*
B*
C*

Vendor

AD1333002GOU
78.01GC6.420
78.01GC6.9L0
78.01GC8.422

78.A1GC6.421
78.A1GC6.9L1
78.A1GC8.423

TR3X3G1333C9 (Ver2.1)
CM3X1024-1333C9DHX

2048MB

DS A-DATA

1024MB

SS ELPIDA

1024MB

SS ELPIDA

1024MB
2048MB
2048MB
2048MB

SS Apacer

DS ELPIDA
DS Apacer

DS ELPIDA

3072MB(Kit of 3) SS N/A
1024MB

DS N/A

BoxP/N:TWIN3X2048-1333C9 2048MB(Kit of 2) DS N/A
(CM3X1024-1333C9)Ver1.1

AD30908C8D-15IG
J1108BABG-DJ-E

1333-9-9-9-24

•

(1333-9-9-9-24)

•

J1108BABG-DJ-E(ECC) (1333-9-9-9-24)

•

AM5D5808AEWSBG
J1108BABG-DJ-E

AM5D5808AEWSBG

9(1333-9-9-9-24)

•

(1333-9-9-9-24)

•

9(1333-9-9-9-24)

•

J1108BABG-DJ-E(ECC) (1333-9-9-9-24)
Heat-Sink Package

9-9-9-24(1333-9-9-9-24) 1.5

Heat-Sink Package

(1333-9-9-9-24)

1.1

•
•
•

•
•
•
•

•
•
•

•

•
•
•

•
•

Heat-Sink Package

9-9-9-24(1066-7-7-7-20) 1.70

•

BoxP/N:TW3X4G1333C9DHX 4096MB(Kit of 2) DS N/A
(CM3X2048-1333C9DHX)Ver3.2

Heat-Sink Package

9-9-9-24(1066-7-7-7-20) 1.70

•

CT12864BA1339.8FF

D9KPT

9-9-9-24(1333-9-9-9-24) 1.5

•

TR3X6G1333C9 (Ver2.1)

6144MB(Kit of 3) DS N/A

Heat-Sink Package

CT12864BA1339.8SFD

1024MB

MT8JF12864AY-1G4D1 (1333-9-9-9-24)

CT12872BA1339.9FF

CT25664BA1339.16FF

1024MB

SS MICRON

1024MB

SS MICRON

2048MB

SS MICRON
DS MICRON

D9KPT(ECC)
D9KPT

9(1333-9-9-9-24)
9(1333-9-9-9-24)
9(1333-9-9-9-24)

•
•
•

Chapter 2: Hardware information

•

•
•
•

P7P55D PRO Motherboard Qualified Vendors Lists (QVL) DDR3-1333MHz
capability for CPU at 2.66, 2.8 and 2.93GHz (continued)
Part No.

Size

SS/ Chip
DS Brand

Chip NO.

Timing
Dimm(Bios)

Crucial

CT25672BA1339.18FF

2048MB

DS MICRON

D9KPT(ECC)

9(1333-9-9-9-24)

ELPIDA

EBJ10UE8BAW0-DJ-E

1024MB

SS ELPIDA

J1108BABG-DJ-E

9(1333-9-9-9-24)

Crucial

ELPIDA

G.SKILL
G.SKILL
G.SKILL
G.SKILL
G.SKILL
GEIL

Hynix
Hynix
Hynix

KINGMAX

BL25664BA1336.16SFB1
EBJ21UE8BAW0-DJ-E
F3-10600CL7D-2GBPI

F3-10600CL8D-2GBHK

F3-10666CL7T-6GBPK(XMP)

2048MB

DS Hynix

HMT125U6BFR8C-H9
HMT125U6BFR8C-H9
FLFD45F-B8EE9

MT8JTF12864AZ-1G4F1

OCZ
OCZ
OCZ
OCZ
OCZ
OCZ
OCZ

MT8JTF12864AZ-1G4F1

MT9JSF12872AZ-1G4F1
MT16JF25664AZ-1G4F1

MT16JTF25664AZ-1G4F1

MT18JSF25672AZ-1G4F1
OCZ3RPX1333EB2GK
OCZ3G1333LV3GK
OCZ3P1333LV3GK
OCZ3P13332GK
OCZ3P13334GK

OCZ3G1333LV6GK
OCZ3P1333LV6GK

OCZX1333LV6GK(XMP)

SAMSUNG M378B2873DZ1-CH9

SAMSUNG M378B2873EH1-CH9
SAMSUNG M391B2873DZ1-CH9
SAMSUNG M378B5673DZ1-CH9

SAMSUNG M378B5673EH1-CH9
SAMSUNG M391B5673DZ1-CH9

SAMSUNG M378B5273BH1-CH9
Super Talent W1333UX2GB(XMP)
Transcend TS128MLK64V3U
Transcend TS256MLK64V3U
Asint

SLY3128M8-EDJ

Asint

SLZ3128M8-EDJ

Asint
Asint

ASUS

BUFFALO
BUFFALO
BUFFALO
Patriot
Patriot
Patriot
Patriot
Patriot

Silicon
Power
Silicon
Power

DS N/A

SS Hynix

MICRON

OCZ

2048MB

1024MB

MT8JTF12864AY-1G4BYES

MICRON

2048MB(Kit of 2) SS N/A

HMT112U6BFR8C-H9

GV34GB1333C7DC

MICRON

2048MB(Kit of 2) SS N/A

6144MB(Kit of 3) DS N/A

KINGSTON KVR1333D3N9/2G

MICRON

DS ELPIDA

F3-10666CL9T-6GBNQ

KINGSTON KVR1333D3N9/2G

MICRON

2048MB

F3-10666CL8D-4GBHK(XMP) 4096MB(Kit of 2) DS N/A

KINGSTON KVR1333D3N9/1G

MICRON

4096MB(Kit of 2) DS NA

SLY3128M8-EDJE
SLZ3128M8-EDJE
N/A

FSX1333D3G-1G

FSH1333D3G-T3G(XMP)
FSX1333D3G-2G

PDC32G1333LLK
PVT33G1333ELK

PVS34G1333ELK
PVS34G1333LLK

PVT36G1333ELK

4096MB(Kit of 2) DS N/A
2048MB
1024MB
1024MB
2048MB
2048MB
1024MB
1024MB
1024MB
1024MB
2048MB
2048MB
2048MB
1024MB

DS Hynix
SS ELPIDA
SS ELPIDA
DS ELPIDA
DS ELPIDA

SS MICRON
SS MICRON
SS MICRON
SS MICRON
DS MICRON
DS MICRON
DS MICRON
SS N/A

3072MB(Kit of 3) SS N/A
3072MB(Kit of 3) SS N/A
1024MB

DS N/A

4096MB(Kit of 2) DS N/A
6144MB(Kit of 3) DS N/A
6144MB(Kit of 3) DS N/A
6144MB(Kit of 3) DS NA

Heat-Sink Package
J1108BABG-DJ-E

Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
H5TQ1G83BFR
H5TQ1G83BFR

H5TQ1G83BFRH9C
J1108BASE-DJ-E

J1108BABG-DJ-E
J1108BABG-DJ-E
J1108BABG-DJ-E
Z9HWR

9FF22 D9KPT
D9KPT

D9KPT(ECC)
D9KPT

9FF22 D9KPT
D9KPT(ECC)

Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package

1024MB

SS SAMSUNG K4B1G0846D

1024MB

SS SAMSUNG K4B1G0846D(ECC)

1024MB
2048MB
2048MB
2048MB
4096MB

SS SAMSUNG K4B1G0846E

DS SAMSUNG K4B1G0846D
DS SAMSUNG K4B1G0846E

DS SAMSUNG K4B1G0846D(ECC)

DS SAMSUNG K4B2G0846B-HCH9

2048MB(Kit of 2) SS N/A

Heat-Sink Package

1024MB

SS SAMSUNG K4B1G0846D

1024MB

SS Asint

DDRIII1208-DJ

DS Asint

DDRIII1208-DJ

2048MB
1024MB
2048MB
2048MB
1024MB
1024MB

DS SAMSUNG K4B1G0846D
SS ELPIDA
DS ELPIDA
DS N/A
SS N/A

3072MB(Kit of 3) SS N/A
2048MB
1024MB

DS N/A

SS PATRIOT

3072MB(Kit of 3) SS N/A
4096MB(Kit of 2) DS N/A
4096MB(Kit of 2) DS N/A

J1108BASE-DJ-E

Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package

6-6-6-20(1333-9-9-9-24) 1.8

•

9(1333-9-9-9-24)

•

(1337-7-7-7-18)
(1337-8-8-8-22)

1.65
1.65

7-7-7-18(1333-7-7-7-18) 1.5-1.6
8-8-8-21(1333-7-7-7-20) 1.5-1.6
9-9-9-24(1333-9-9-9-24) 1.5
7-7-7-24(1333-8-8-8-28) 1.5
9(1333-9-9-9-24)
9(1333-9-9-9-24)

1.5

9(1066-8-7-7-20)

1.5

(1333-9-9-9-24)

1.5

9(1066-8-8-8-20)

1.65
1.65
1.8

7-7-7(1066-7-7-7-20)

1.65

9(1333-9-9-9-24)

1.65
1.6

1066-8-7-7-20

•
•
•
•
•
•
•
•
•

•
1.8

9(1333-9-9-9-24)

•
•
•
•

(9-9-9-24)

•

1066-8-8-8-20

•

(9-9-9-24)

•

1066-8-8-8-20

•

(1333-9-9-9-24)

•

(1066-7-7-7-20)

•

7-7-7-20(1066-8-7-7-20)
7(1337-7-7-7-20)

•

9(1333-9-9-9-24)

(1066-7-7-7-20)

•

1066-8-7-7-20

9(1333-9-9-9-24)

•

9(1333-9-9-9-24)

8(1333-8-8-8-24)

•

9(1333-9-9-9-24)

•

7(1333-7-7-7-20)

8-8-8(1066-7-7-7-16)

•

9(1333-9-9-9-24)

9-9-9(1066-7-7-7-20)

•

9(1066-8-8-8-20)

7-7-7-20(1333-9-9-9-24)

•

9(1333-9-9-9-24)

7-7-7(1066-7-7-7-16)

•

9(1333-9-9-9-24)

9-9-9(1066-7-7-7-20)

•

9(1333-9-9-9-24)

(1066-6-5-5-20)

•

9(1066-8-7-7-20)
1333-9-9-9-24

•

9(1333-9-9-9-24)
(1333-9-9-9-24)

•

•
1.7

9-9-9-24(1066-7-7-7-20) 1.65
9-9-9-24(1066-7-7-7-20) 1.5
7-7-7-20(1066-7-7-7-20) 1.7

9-9-9-24(1066-7-7-7-20) 1.65

•
•

•
•
•

•

•
•
•
•
•
•
•
•
•
•
•

•
•
•
•
•
•
•
•
•
•

•

•
•
•
•
•
•

•
•
•
•

•

•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•

•

•
•

•

•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•

•

SP001GBLTU133S02

1024MB

SS S-POWER I0YT3E0

9(1333-9-9-9-24)

•

SP002GBLTU133S02

2048MB

DS S-POWER I0YT3E0

9(1333-9-9-9-24)

•

ASUS P7P55D PRO

6144MB(Kit of 3) DS N/A

J1108BASE-DJ-E

DIMM socket
Voltage support (Optional)
A*
B*
C*
•
•
•

2-13

Chapter 2

Vendor

P7P55D PRO Motherboard Qualified Vendors Lists (QVL) DDR3-1600MHz
capability for CPU at 2.66GHz
Timing
Dimm(Bios)

3072MB(Kit of 3) SS N/A

Heat-Sink Package

8-8-8-24(1333-9-9-9-24) 1.65-1.85 •

TR3X3G1600C8D(XMP)Ver2.1 3072MB(Kit of 3) SS N/A

Heat-Sink Package

8-8-8-24(1601-8-8-8-24) 1.65

•

9-9-9-24(1601-9-9-9-24) 1.65

•

Part No.

Size

A-DATA

AD31600E001GMU

CORSAIR

A-DATA

CORSAIR
CORSAIR
CORSAIR
CORSAIR
CORSAIR
CORSAIR
Crucial

G.SKILL
G.SKILL
G.SKILL

Chapter 2

G.SKILL
GEIL

KINGMAX
KINGMAX

AD31600F002GMU(XMP)
TR3X3G1600C8D

TR3X3G1600C9(XMP)Ver1.1

6144MB(Kit of 3) DS N/A
3072MB(Kit of 3) SS N/A
3072MB(Kit of 3) SS N/A

BoxP/N:TW3X4G1600C9DHXNV 4096MB(Kit of 2) DS N/A
(CM3X2G1600C9DHXNV)Ver4.1

Heat-Sink Package
Heat-Sink Package
Heat-Sink Package

8-8-8-24(1600-8-8-8-24) 1.65

•

TR3X6G1600C9(XMP)Ver2.1

Heat-Sink Package

9-9-9-24(1333-9-9-9-24) 1.65

•

TR3X6G1600C8D

6144MB(Kit of 3) DS N/A

BL12864BA1608.8SFB(XMP)

1024MB

F3-12800CL9D-2GBNQ

F3-12800CL8T-6GBHK(XMP)
F3-12800CL8T-6GBPI(XMP)
F3-12800CL9T-6GBNQ
GV34GB1600C8DC

FLGD45F-B8KG9-NAES
FLGE85F-B8KG9-NEES

6144MB(Kit of 3) DS N/A
SS N/A

2048MB(Kit of 2) SS N/A
6144MB(Kit of 3) DS N/A
6144MB(Kit of 3) DS N/A
6144MB(Kit of 3) DS N/A
4096MB(Kit of 2) DS N/A
1024MB
2048MB

Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package

8-8-8-24(1600-8-8-8-24) 1.65
(1601-8-8-8-24)
(1333-9-9-9-24)

1024MB

OCZ

OCZ3P1600LV3GK

3072MB(Kit of 3) SS N/A

OCZ3G1600LV3GK
OCZ3P16004GK

OCZ3P1600EB4GK
OCZ3G1600LV6GK

OCZ3X1600LV6GK(XMP)

Cell Shock CS322271
Mushkin

996657

Patriot

PVT33G1600ELK

Patriot
PQI

998659(XMP)

PVS34G1600ELK

PVS34G1600LLK(XMP)
PVS34G1600LLKN
PVT36G1600ELK
PVT36G1600ELK

MFADR401PA0102(XMP)

SS N/A

3072MB(Kit of 3) SS N/A
4096MB(Kit of 2) DS N/A
4096MB(Kit of 2) DS N/A
6144MB(Kit of 3) DS N/A
6144MB(Kit of 3) DS N/A
2048MB(Kit of 2) DS N/A
4096MB(Kit of 2) DS N/A
6144MB(Kit of 3) DS N/A
3072MB(Kit of 3) SS N/A
4096MB(Kit of 2) DS N/A
4096MB(Kit of 2) DS N/A
4096MB(Kit of 2) DS N/A
6144MB(Kit of 3) DS N/A
6144MB(Kit of 3) DS N/A
2048MB

Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package

DS SAMSUNG K4B1G08460

1.6

•
•

8-8-8-21(1066-8-8-8-20) 1.6~1.65 •
9-9-9-24(1601-9-9-9-24) 1.5-1.6
8-8-8-28(1600-8-8-8-28) 1.6

DS KINGMAX KFB8FNGXF-ANX-12A 9(1600-9-8-9-28)
Heat-Sink Package

1.8

•

8-8-8-21(1333-8-8-8-21) 1.6-1.65 •

SS KINGMAX KFB8FNGXF-ANX-12A 9(1600-9-8-9-28)

OCZ3P1600EB1G

Patriot

•

OCZ

Patriot

•

8-8-8-24(1601-8-8-8-24) 1.65

(1066-8-8-8-20)

Patriot

•

Heat-Sink Package

Patriot

•

TR3X6G1600C8D(XMP)Ver2.1 6144MB(Kit of 3) DS N/A

KINGSTON KHX12800D3LLK3/6GX(XMP) 6144MB(Kit of 3) DS N/A

Mushkin

•

4096MB(Kit of 2) DS N/A

OCZ

•

1.80

KINGSTON KHX12800D3K2/4G

OCZ

•

(1333-9-9--9-24)

1600-8-8-8-20

OCZ

Heat-Sink Package

OCZ

Voltage

7-7-7-20(1333-9-9-9-24) 1.75-1.85 •

KINGSTON KHX12800D3LLK3/3GX(XMP) 3072MB(Kit of 3) SS N/A

OCZ

2-14

SS/ Chip
DS Brand

DIMM socket
support (Optional)

Chip NO.

Vendor

9(1333-9-9-9-24)
7-6-6-24(1333-7-7-7-20)

1.5
1.5

1.65
1.9

1.65

8-8-8(1066-7-7-7-20)

1.65

7-7-7(1333-7-7-7-20)

1.9

7-7-7(1066-7-7-7-20)
7-7-6(1333-7-7-7-20)
8-8-8(1066-7-7-7-16)
8-8-8(1066-7-7-7-16)

1.65
1.8

1.65
1.65

7-7-7-14(1066-7-7-7-20) 1.7-1.9
7-7-7-20

9-9-9-24(1333-9-9-9-24) 1.5-1.6
9-9-9-24(1066-7-7-7-20) 1.65
9-9-9-24(1066-7-7-7-20) 1.8
7-7-7-20(1066-7-7-7-20) 1.9
7-7-7-20(1066-7-7-7-20) 2.0

9-9-9-24(1066-7-7-7-20) 1.65
9-9-9-24(1600-7-7-7-20) 1.65
1066-8-8-8-20

•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
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•
•
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•
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•

•
•
•
•
•
•
•
•
•
•
•
•
•
•

•

•
•
•
•
•

•
•
•

•

•
•

Chapter 2: Hardware information

•

P7P55D PRO Motherboard Qualified Vendors Lists (QVL) DDR3-1600MHz
capability for CPU at 2.8 and 2.93GHz
Timing
Dimm(Bios)

3072MB(Kit of 3) SS N/A

Heat-Sink Package

8-8-8-24(1333-9-9-9-24) 1.65-1.85 •

•

CORSAIR TR3X3G1600C8D(XMP)Ver2.1 3072MB(Kit of 3) SS N/A

Heat-Sink Package

8-8-8-24(1601-8-8-8-24) 1.65

•

9-9-9-24(1601-9-9-9-24) 1.65

•

Size

A-DATA

AD31600E001GMU

A-DATA

AD31600F002GMU(XMP)

CORSAIR TR3X3G1600C8D

CORSAIR TR3X3G1600C9(XMP)Ver1.1

6144MB(Kit of 3) DS N/A
3072MB(Kit of 3) SS N/A
3072MB(Kit of 3) SS N/A

CORSAIR BoxP/N:TW3X4G1600C9DHXNV 4096MB(Kit of 2) DS N/A
(CM3X2G1600C9DHXNV)Ver4.1

Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package

7-7-7-20(1333-9-9-9-24) 1.75-1.85 •
8-8-8-24(1600-8-8-8-24) 1.65
(1333-9-9--9-24)

1.80

•
•

•

•
•

•
•
•

•

CORSAIR TR3X6G1600C8D(XMP)Ver2.1 6144MB(Kit of 3) DS N/A

Heat-Sink Package

8-8-8-24(1601-8-8-8-24) 1.65

•

CORSAIR TR3X6G1600C9(XMP)Ver2.1

Heat-Sink Package

9-9-9-24(1333-9-9-9-24) 1.65

•

CORSAIR TR3X6G1600C8D

6144MB(Kit of 3) DS N/A

Crucial

BL12864BA1608.8SFB(XMP)

1024MB

G.SKILL

F3-12800CL8T-6GBHK(XMP)

G.SKILL
G.SKILL
G.SKILL
GEIL

F3-12800CL9D-2GBNQ

F3-12800CL8T-6GBPI(XMP)
F3-12800CL9T-6GBNQ
GV34GB1600C8DC

KINGMAX FLGD45F-B8KG9-NAES
KINGMAX FLGE85F-B8KG9-NEES

KINGSTON KHX12800D3LLK3/3GX(XMP)
KINGSTON KHX12800D3K3/12GX(XMP)
KINGSTON KHX12800D3K2/4G

KINGSTON KHX12800D3LLK3/6GX(XMP)
OCZ

OCZ3P1600EB1G

OCZ

OCZ3P1600LV3GK

OCZ
OCZ
OCZ
OCZ
OCZ
OCZ
OCZ

OCZ3G1600LV3GK
OCZ3P16004GK

OCZ3P1600EB4GK
OCZ3X16004GK

OCZ3G1600LV6GK

OCZ3X1600LV6GK(XMP)
OCZ3X1600LV6GK(XMP)

Super Talent WB160UX6GB(XMP)
Cell Shock CS322271
Mushkin

996657

Patriot

PVT33G1600ELK

Mushkin
Patriot
Patriot
Patriot
Patriot
Patriot
PQI

998659(XMP)

PVS34G1600ELK

PVS34G1600LLK(XMP)
PVS34G1600LLKN
PVT36G1600ELK
PVT36G1600ELK

MFADR401PA0102(XMP)

ASUS P7P55D PRO

6144MB(Kit of 3) DS N/A
SS N/A

2048MB(Kit of 2) SS N/A
6144MB(Kit of 3) DS N/A
6144MB(Kit of 3) DS N/A
6144MB(Kit of 3) DS N/A
4096MB(Kit of 2) DS N/A
1024MB
2048MB

Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package

8-8-8-24(1600-8-8-8-24) 1.65
(1601-8-8-8-24)
(1333-9-9-9-24)

9-9-9-24(1601-9-9-9-24) 1.5-1.6
8-8-8-28(1600-8-8-8-28) 1.6

3072MB(Kit of 3) SS N/A

Heat-Sink Package

1600-8-8-8-20

4096MB(Kit of 2) DS N/A

Heat-Sink Package

9(1333-9-9-9-24)

6144MB(Kit of 3) DS N/A
1024MB

SS N/A

3072MB(Kit of 3) SS N/A
3072MB(Kit of 3) SS N/A
4096MB(Kit of 2) DS N/A
4096MB(Kit of 2) DS N/A
4096MB(Kit of 2) DS N/A
6144MB(Kit of 3) DS N/A
6144MB(Kit of 3) DS N/A
6144MB(Kit of 3) DS N/A
6144MB(Kit of 3) DS N/A
2048MB(Kit of 2) DS N/A
4096MB(Kit of 2) DS N/A
6144MB(Kit of 3) DS N/A
3072MB(Kit of 3) SS N/A
4096MB(Kit of 2) DS N/A
4096MB(Kit of 2) DS N/A
4096MB(Kit of 2) DS N/A
6144MB(Kit of 3) DS N/A
6144MB(Kit of 3) DS N/A
2048MB

DS SAMSUNG K4B1G08460

•

8-8-8-21(1066-8-8-8-20) 1.6~1.65 •

DS KINGMAX KFB8FNGXF-ANX-12A 9(1600-9-8-9-28)
Heat-Sink Package

1.6

•

8-8-8-21(1333-8-8-8-21) 1.6-1.65 •

SS KINGMAX KFB8FNGXF-ANX-12A 9(1600-9-8-9-28)

12288MB(Kit of 3) DS N/A

1.8

•

9(1066-9-9-9-24)
(1066-8-8-8-20)

7-6-6-24(1333-7-7-7-20)

1.5
1.5

1.65
1.9

1.65

8-8-8(1066-7-7-7-20)

1.65

7-7-7(1333-7-7-7-20)

1.9

7-7-7(1066-7-7-7-20)
7-7-6(1333-7-7-7-20)
7-7-7-20

8-8-8(1066-7-7-7-16)
8-8-8(1600-8-8-8-24)
8-8-8(1066-7-7-7-16)
1333-8-8-8-24

1.65
1.8
1.9

1.65
1.65
1.65

7-7-7-14(1066-7-7-7-20) 1.7-1.9
7-7-7-20

9-9-9-24(1333-9-9-9-24) 1.5-1.6
9-9-9-24(1066-7-7-7-20) 1.65
9-9-9-24(1066-7-7-7-20) 1.8
7-7-7-20(1066-7-7-7-20) 1.9
7-7-7-20(1066-7-7-7-20) 2.0

9-9-9-24(1066-7-7-7-20) 1.65
9-9-9-24(1600-7-7-7-20) 1.65
1066-8-8-8-20

•
•
•
•
•
•
•
•
•
•
•
•
•
•

•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
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•

•

•
•
•
•
•
•
•
•
•
•
•
•

•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•

•

•
•
•
•
•

•

•
•

Chapter 2

Part No.

SS/ Chip
DS Brand

DIMM socket
Voltage support (Optional)
A*
B*
C*

Chip NO.

Vendor

•

2-15

P7P55D PRO Motherboard Qualified Vendors Lists (QVL) DDR3-1625MHz
capability for CPU at 2.66GHz
Vendor

Part No.

Size

Chip
SS/DS Brand

Chip NO.

KINGSTON

KHX13000D3LLK2/2GN(EPP)

2048MB(Kit of 2)

N/A

Heat-Sink Package

KINGSTON

KHX13000D3LLK2/2GXN

2048MB(Kit of 2)

N/A

Heat-Sink Package

KINGSTON

KHX13000D3LLK2/2GX(XMP)

2048MB(Kit of 2)

N/A

DIMM socket
Timing
support (Optional)
Dimm(Bios) Voltage
A*
B*
C*
1.9

•

1.9

•

1.9

Heat-Sink Package

•

P7P55D PRO Motherboard Qualified Vendors Lists (QVL) DDR3-1625MHz
capability for CPU at 2.8 and 2.93GHz
Vendor

Part No.

Size

SS/DS Chip
Brand

Chip NO.

KINGSTON

KHX13000D3LLK2/2GN(EPP)

2048MB(Kit of 2)

N/A

Heat-Sink Package

KINGSTON

KHX13000D3LLK2/2GXN

2048MB(Kit of 2)

N/A

Heat-Sink Package

KINGSTON

KHX13000D3LLK2/2GX(XMP)

2048MB(Kit of 2)

N/A

DIMM socket
Timing
support (Optional)
Lable(Bios) Voltage
A*
B*
C*

Heat-Sink Package

Chapter 2

1.9

•

1.9

•

1.9

•

P7P55D PRO Motherboard Qualified Vendors Lists (QVL) DDR3-1800MHz
capability for CPU at 2.66GHz
SS/ Chip
DS Brand

Timing
Dimm(Bios)

Heat-Sink Package

8-8-8-24(1800-8-8-8-24) 1.8

Heat-Sink Package

8-8-8-24

Part No.

Size

Apacer

78.0AGCD-CDZ(XMP)

2GB(Kit of 2) SS

N/A

KHX14400D3/1G

1GB

N/A

Heat-Sink Package

KHX14400D3K3/3GX(XMP) 3GB(Kit of 3) SS

N/A

Heat-Sink Package

1800-9-9-9-27

Heat-Sink Package

CORSAIR
KINGSTON
KINGSTON
KINGSTON
OCZ
OCZ

Transcend
Patriot

BoxP/N:TW3X4G1800C8DF 4GB(Kit of 2) DS N/A
(CM3X2G1800C8D)Ver4.1
KHX14400D3K2/2GN(EPP) 2GB(Kit of 2) SS
OCZ3P18002GK

2GB(Kit of 2) SS

TX1800KLU-2GK(XMP)

2GB(Kit of 2) SS

OCZ3P18004GK

PVS32G1800LLKN(EPP)

N/A

Heat-Sink Package

N/A

Heat-Sink Package

4GB(Kit of 2) DS N/A
2GB(Kit of 2) SS

N/A

Heat-Sink Package

N/A

DIMM socket
support
Voltage (Optional)

Chip NO.

Vendor

Heat-Sink Package

1.80

•

1.9

•

1.65

•

1.9

•

1.9

•

8-8-8-20(1066-7-7-7-20) 1.9

•

•
•

•

P7P55D PRO Motherboard Qualified Vendors Lists (QVL) DDR3-1800MHz
capability for CPU at 2.8 and 2.93GHz
Part No.

Size

Apacer

78.0AGCD-CDZ(XMP)

2048MB(Kit of 2) SS

CORSAIR

BoxP/N:TW3X4G1800C8DF 4096MB(Kit of 2) DS
(CM3X2G1800C8D)Ver4.1

Timing
Dimm(Bios)

DIMM socket
support
Voltage (Optional)

N/A

Heat-Sink Package 8-8-8-24(1800-8-8-8-24) 1.8

•

N/A

Heat-Sink Package 8-8-8-24

1.80

•

N/A

Heat-Sink Package

1.9

•

KINGSTON KHX14400D3K3/3GX(XMP) 3072MB(Kit of 3) SS

N/A

Heat-Sink Package 1800-9-9-9-27

1.65

•

KINGSTON KHX14400D3/1G

KINGSTON KHX14400D3K2/2GN(EPP)

1024MB

2048MB(Kit of 2) SS

OCZ

OCZ3P18002GK

2048MB(Kit of 2) SS

Transcend

TX1800KLU-2GK(XMP)

2048MB(Kit of 2) SS

OCZ

Patriot

2-16

SS/ Chip Chip NO.
DS Brand

Vendor

OCZ3P18004GK

PVS32G1800LLKN(EPP)

4096MB(Kit of 2) DS
2048MB(Kit of 2) SS

N/A
N/A
N/A
N/A
N/A

Heat-Sink Package

Heat-Sink Package 8
Heat-Sink Package 8
Heat-Sink Package 8

1.9

Heat-Sink Package 8-8-8-20(1066-7-7-7-20) 1.9

•
•
•
•

•
•
•
•
•

•

Chapter 2: Hardware information

P7P55D PRO Motherboard Qualified Vendors Lists (QVL) DDR3-1866MHz
capability for CPU at 2.66GHz
DIMM socket
support
Voltage (Optional)

Part No.

Size

SS/ Chip Chip NO.
DS Brand

Timing
Dimm(Bios)

Apacer

78.0AGCQ.CBZ(XMP)

3GB(Kit of 3)

N/A

Heat-Sink Package

9-9-9-27(1066-8-8-8-20)

G.SKILL

F3-16000CL7T-6GBPS(XMP)

6GB(Kit of 3)

N/A

Heat-Sink Package

7-8-7-20(1066-8-8-8-20) 1.65

KHX16000D3K2/2GN(EPP)

2GB(Kit of 2)

Crucial

G.SKILL

KINGSTON
KINGSTON
KINGSTON
KINGSTON
OCZ
OCZ
OCZ

Gingle

BL12864BE2009.8SFB3(EPP) 1GB
F3-16000CL9T-6GBPS(XMP)
KHX16000D3K3/3GX(XMP)

6GB(Kit of 3)
3GB(Kit of 3)

KHX16000D3ULT1K3/
6GX(XMP)

6GB(Kit 0f 3)

DS
SS
SS

Heat-Sink Package

N/A
N/A

Heat-Sink Package

N/A

Heat-Sink Package

N/A
N/A

Heat-Sink Package

2.0

8(1066-8-8-8-20)

•

9-9-9-24(1066-8-8-8-20) 1.65
9(1333-9-9-9-24)

•

9-9-9-28(1333-9-9-9-24) 2

Heat-Sink Package

1.65

•

1.65

•
•

•

KHX16000D3T1K3/6GX(XMP) 6GB(Kit of 3)

N/A

Heat-Sink Package

9(1066-8-8-8-20)

1.65

•

OCZ3P20002GK(EPP)

N/A

Heat-Sink Package

1.9

•

OCZ3FXT20002GK

2GB(Kit of 2)

OCZ3P2000EB2GK

2GB(Kit of 2)

9CAASS37AZZ01D1

2BG

SS
SS

N/A

Heat-Sink Package

N/A

Heat-Sink Package

N/A

Heat-Sink Package

1.9

9-8-8(1066-8-7-7-20)
9-9-9-24

•

1.8

•
•

•

Chapter 2

Vendor

P7P55D PRO Motherboard Qualified Vendors Lists (QVL) DDR3-1866MHz
capability for CPU at 2.8 and 2.93GHz
SS/ Chip Chip NO.
DS Brand

Vendor

Part No.

Size

CORSAIR

TR3X3G1866C9D(XMP)

3GB(Kit of 3) SS

CORSAIR

TR3X6G1866C9D

6GB(Kit of 3) DS

KINGSTON KHX14900D3K3/3GX(XMP) 3GB
OCZ
OCZ

OCZ3RPR1866C9LV3GK
OCZ3RPR1866C9LV6GK

Super Talent W1866UX2GB(XMP)
Patriot
Patriot

PVS32G1866LLK(XMP)
PVS32G1866LLK(XMP)

3GB(Kit of 3) SS

6GB(Kit of 3) DS
2GB(Kit of 2) SS
2GB(Kit of 2) SS
2GB(Kit of 2) SS

Timing
Dimm(Bios)

DIMM socket
Voltage support (Optional)
A*
B* C*

N/A

Heat-Sink Package 9-9-9-24(1866-9-9-9-24) 1.65

•

N/A

Heat-Sink Package 9(1333-9-9-9-24)

1.65

•

Heat-Sink Package 9-9-9(1066-7-7-7-20)

1.65

N/A
N/A
N/A
N/A
N/A
N/A

Heat-Sink Package 9-9-9-24(1866-9-9-9-24) 1.65
Heat-Sink Package 9-9-9(1066-7-7-7-20)
Heat-Sink Package 8-8-8-24(1333-9-9-9-24)

•

1.65

•

Heat-Sink Package 8-8-8-24(1066-7-7-7-20) 1.9
Heat-Sink Package 8-8-8-24(1866-8-8-8-24) 1.9

•

•
•

P7P55D PRO Motherboard Qualified Vendors Lists (QVL) DDR3-2000MHz
capability for CPU at 2.66GHz
SS/ Chip Chip NO.
DS Brand

Timing
Dimm(Bios)

DIMM socket
Voltage support (Optional)
A*
B*
C*

Vendor

Part No.

Size

Apacer

78.0AGCQ.CBZ(XMP)

3GB(Kit of 3) SS

N/A

Heat-Sink Package 9-9-9-27(1066-8-8-8-20)

G.SKILL

F3-16000CL7T-6GBPS(XMP)

6GB(Kit of 3) DS

N/A

Heat-Sink Package 7-8-7-20(1066-8-8-8-20) 1.65

Crucial

G.SKILL

BL12864BE2009.8SFB3(EPP)
F3-16000CL9T-6GBPS(XMP)

KINGSTON KHX16000D3K2/2GN(EPP)

KINGSTON KHX16000D3K3/3GX(XMP)

1GB

6GB(Kit of 3) DS
2GB(Kit of 2) SS
3GB(Kit of 3) SS

KINGSTON KHX16000D3ULT1K3/6GX(XMP) 6GB(Kit 0f 3) DS
KINGSTON KHX16000D3T1K3/6GX(XMP)

6GB(Kit of 3) DS

OCZ

2GB(Kit of 2) SS

OCZ

OCZ3FXT20002GK

OCZ

OCZ3P2000EB2GK

Gingle

OCZ3P20002GK(EPP)
9CAASS37AZZ01D1

ASUS P7P55D PRO

2GB(Kit of 2) SS
2GB(Kit of 2) SS
2GB

N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A

Heat-Sink Package 9-9-9-28(1333-9-9-9-24) 2

Heat-Sink Package 9-9-9-24(1066-8-8-8-20) 1.65
Heat-Sink Package

2.0

Heat-Sink Package 8(1066-8-8-8-20)

1.65

Heat-Sink Package 9(1333-9-9-9-24)
Heat-Sink Package 9(1066-8-8-8-20)
Heat-Sink Package 8
Heat-Sink Package 9

Heat-Sink Package 9-8-8(1066-8-7-7-20)
Heat-Sink Package 9-9-9-24

•
•

•

1.65

•

1.65

•

1.9
1.9
1.8

•
•
•
•
•

•

•
•
•

•
•

•
•
•

•

2-17

P7P55D PRO Motherboard Qualified Vendors Lists (QVL) DDR3-2000MHz
capability for CPU at 2.8 and 2.93GHz
DIMM socket
support
Voltage (Optional)

Vendor

Part No.

Size

SS/
DS

Chip Chip NO.
Brand

Timing
Dimm(Bios)

Apacer

78.0AGCQ.CBZ(XMP)

3GB(Kit of 3)

N/A

Heat-Sink Package

9-9-9-27(1066-8-8-8-20)

G.SKILL

F3-16000CL7T-6GBPS(XMP)

6GB(Kit of 3)

N/A

Heat-Sink Package

7-8-7-20(1066-8-8-8-20) 1.65

Crucial

G.SKILL

BL12864BE2009.8SFB3(EPP)
F3-16000CL9T-6GBPS(XMP)

KINGSTON KHX16000D3K2/2GN(EPP)

KINGSTON KHX16000D3K3/3GX(XMP)

1GB

6GB(Kit of 3)
2GB(Kit of 2)
3GB(Kit of 3)

KINGSTON KHX16000D3ULT1K3/6GX(XMP) 6GB(Kit 0f 3)
KINGSTON KHX16000D3T1K3/6GX(XMP)

6GB(Kit of 3)

OCZ

2GB(Kit of 2)

OCZ

OCZ3FXT20002GK

OCZ

OCZ3P2000EB2GK

Gingle
Patriot

OCZ3P20002GK(EPP)
9CAASS37AZZ01D1
PVS32G2000LLKN

2GB(Kit of 2)
2GB(Kit of 2)
2GB

2GB(Kit of 2)

DS
SS
SS

DS
DS
SS
SS
SS

DS
SS

N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A

Heat-Sink Package
Heat-Sink Package
Heat-Sink Package

Heat-Sink Package

9(1066-8-8-8-20)

Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package
Heat-Sink Package

•

1.65

•

1.9

•

1.9

9-8-8(1066-8-7-7-20)

•

1.8

9-9-9-24

•

1.65

•

1.65

•
•

2.0

8(1066-8-8-8-20)

•

9-9-9-24(1066-8-8-8-20) 1.65
9(1333-9-9-9-24)

•

9-9-9-28(1333-9-9-9-24) 2

Heat-Sink Package

•
•

9-9-9-24(1066-7-7-7-20) 2

•

•
•
•
•

•

•
•
•
•
•
•
•

Chapter 2

P7P55D PRO Motherboard Qualified Vendors Lists (QVL) DDR3-2133MHz
capability for CPU at 2.8 and 2.93GHz
Vendor Part No.

Size

SS/
DS

G.SKILL F3-17066CL9T-6GB-T 6GB(Kit of 3) DS

Chip
Brand

Chip NO.

Timing
Dimm(Bios)

N/A

Heat-Sink Package 9-9-9-24(1066-8-7-7-20) 1.65

Voltage

DIMM socket support
(Optional)
A*
•

B*
•

Side(s): SS - Single-sided DS - Double-sided
DIMM support:
• A*: Supports one (1) module inserted into slot A1 or B1 as Single-channel memory

configuration.
• B*: Supports two (2) modules inserted into the blue slots (A1 and B1) as one pair of

Dual-channel memory configuration.
• C*: Supports four (4) modules inserted into both the blue and the black slots as two

pairs of Dual-channel memory configuration.

2-18

•

ASUS exclusively provides hyper DIMM support function.

•

Hyper DIMM support is subject to the physical characteristics of individual CPUs.

•

According to Intel spec definition, DDR3-1600 is supported for one DIMM per channel
only. ASUS exclusively provides two DDR3-1600 DIMM support for each memory
channel.

•

Visit the ASUS website for the latest QVL.

Chapter 2: Hardware information

•
•

2.4.3

Installing a DIMM
Ensure to unplug the power supply before adding or removing DIMMs or other system
components. Failure to do so may cause severe damage to both the motherboard and the
components.

To install a DIMM:

Press the retaining clips outward to
unlock a DIMM socket.

Align a DIMM on the socket such that
the notch on the DIMM matches the
break on the socket.

Chapter 2

DIMM notch

Unlocked retaining clip

A DIMM is keyed with a notch so that it fits in only one direction. DO NOT force a DIMM into
a socket to avoid damaging the DIMM.

Firmly insert the DIMM into the socket
until the retaining clips snap back in
place and the DIMM is properly seated.
3
Locked Retaining Clip

2.4.4

Removing a DIMM

To remove a DIMM:
1.

Simultaneously press the retaining
clips outward to unlock the DIMM.

2
1

Support the DIMM lightly with your fingers when pressing the retaining clips. The DIMM
might get damaged when it flips out with extra force.

Remove the DIMM from the socket.

ASUS P7P55D PRO

2-19

2.5

Expansion slots

In the future, you may need to install expansion cards. The following subsections describe the
slots and the expansion cards that they support.
Ensure to unplug the power cord before adding or removing expansion cards. Failure to do
so may cause you physical injury and damage motherboard components.

2.5.1

Installing an expansion card

To install an expansion card:
1.
2.

Chapter 2

3.
4.
5.
6.

Before installing the expansion card, read the documentation that came with it and
make the necessary hardware settings for the card.

Remove the system unit cover (if your motherboard is already installed in a chassis).

Remove the bracket opposite the slot that you intend to use. Keep the screw for later
use.
Align the card connector with the slot and press firmly until the card is completely
seated on the slot.
Secure the card to the chassis with the screw you removed earlier.
Replace the system cover.

2.5.2

Configuring an expansion card

After installing the expansion card, configure it by adjusting the software settings.
1.
2.
3.

Turn on the system and change the necessary BIOS settings, if any. See Chapter 3 for
information on BIOS setup.
Assign an IRQ to the card. Refer to the tables on the next page.
Install the software drivers for the expansion card.

When using PCI cards on shared slots, ensure that the drivers support “Share IRQ” or that
the cards do not need IRQ assignments. Otherwise, conflicts will arise between the two PCI
groups, making the system unstable and the card inoperable. Refer to the table on the next
page for details.

2-20

Chapter 2: Hardware information

2.5.3

Interrupt assignments

Standard interrupt assignments
Priority

Standard function
System Timer

Keyboard Controller

–

Redirect to IRQ#9

Communications Port (COM1)*

IRQ Holder for PCI Steering*

Reserved

System CMOS/Real Time Clock

IRQ Holder for PCI Steering*

Reserved

Numeric Data Processor

Primary IDE Channel

Chapter 2

IRQ

* These IRQs are usually available for PCI devices.

IRQ assignments for this motherboard
PCIE x16_1
PCIE x16_2
PCIE x16_3
PCIE x1_1
PCIE x1_2
LAN
JMicron ATA Controller
SATA controller 1
SATA controller 2
USB 2.0 controller 1
USB 2.0 controller 2
1394 controller
HD Audio
PCI_1
PCI_2

ASUS P7P55D PRO

A
shared
shared
shared
shared
–
–
–
–
–
–
shared
–
–
shared
–

B
–
–
–
–
shared
–
–
–
–
–
–
–
–

C
–
–
–
–
–
–
shared
–
–
–
–
shared
–

D
–
–
–
–
–
shared
–
–
–
–
–
–
–

E
–
–
–
–
–
–
–
–
–
–
–
–
–

F
–
–
–
–
–
–
–
shared
shared
–
–
–
–

G
–
–
–
–
–
–
–
–
–
–
–
–
shared

H
–
–
–
–
–
–
–
–
–
shared
–
–
–

shared

–

2-21

2.5.4

PCI slots

The PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that
comply with PCI specifications. Refer to the figure below for the location of the slots.

2.5.5

PCI Express 2.0 x1 slots (2.5GT/s)

This motherboard supports PCI Express x1 network cards, SCSI cards and other cards that
comply with the PCI Express specifications. Refer to the figure below for the location of the
slots.

2.5.6

PCI Express 2.0 x16 slots

This motherboard has three PCI Express 2.0 x16 slots that support PCI Express x16 2.0
graphic cards complying with the PCI Express specifications. Refer to the figure below for the
location of the slots.

Chapter 2
PCI slot 2

PCI slot 1

PCIe 2.0 x16_3 slot (black, at x4 link, 2.5GT)

PCIe 2.0 x16_2 slot (gray, at x8 link)

PCI Express x1_2 slot

PCI Express x1_1 slot

PCIe 2.0 x16_1 slot (blue, single at x16 or dual at x8 link)

2-22

Chapter 2: Hardware information

PCI Express operating mode
PCIe x16_1

PCIe x16_2

PCIe x16_3

Single VGA/PCIe card

x16 (Recommend for
single VGA)

N/A

x4 (PCIe card)

Dual VGA/PCIe card

Triple VGA/PCIe card

•

In single VGA card mode, use first the PCIe 2.0 x16_1 slot (blue) for a PCI Express
x16 graphics card to get better performance.

•

In CrossFireX™ or SLI™ mode, use the PCIe 2.0 x16_1 (blue) and PCIe 2.0 x16_2
(gray) slots for PCI Express x16 graphics cards to get better performance.

•

Use the three PCIe 2.0 x16 slots for Triple CrossFireX™ mode.

•

We recommend that you provide sufficient power when running CrossFireX™ or SLI™
mode. See page 2-38 for details.

•

Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2 when using
multiple graphics cards for better thermal environment. See page 2-36 for details.

ASUS P7P55D PRO

Chapter 2

VGA configuration

2-23

2.6

Jumpers

Clear RTC RAM (3-pin CLRTC)

This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can
clear the CMOS memory of date, time, and system setup parameters by erasing
the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in
CMOS, which include system setup information such as system passwords.

Chapter 2

To erase the RTC RAM
1.

Turn OFF the computer and unplug the power cord.

Plug the power cord and turn ON the computer.

Move the jumper cap from pins 1-2 (default) to pins 2-3. Keep the cap on pins 2-3
for about 5–10 seconds, then move the cap back to pins 1-2.
Hold down the key during the boot process and enter BIOS setup to
re-enter data.
Except when clearing the RTC RAM, never remove the cap on CLRTC jumper default
position. Removing the cap will cause system boot failure!

2-24

•

If the steps above do not help, remove the onboard battery and move the jumper again
to clear the CMOS RTC RAM data. After the CMOS clearance, reinstall the battery.

•

You do not need to clear the RTC when the system hangs due to overclocking. For
system failure due to overclocking, use the C.P.R. (CPU Parameter Recall) feature.
Shut down and reboot the system so the BIOS can automatically reset parameter
settings to default values.

•

Due to the chipset behavior, AC power off is required to enable C.P.R. function. You
must turn off and on the power supply or unplug and plug the power cord before
rebooting the system.

Chapter 2: Hardware information

2.7

Onboard switches

Onboard switches allow you to fine-tune performance when working on a bare or open-case
system. This is ideal for overclockers and gamers who continually change settings to enhance
system performance.
MemOK! switch

Installing DIMMs that are incompaible with the motherboard may cause system boot
failure, and the DRAM_LED near the MemOK! switch lights continuously. Press and
hold the MemOK! switch until the DRAM_LED starts blinking to begin automatic
memory compatibility tuning for successful boot.

Chapter 2

•

Refer to section 2.9 Onboard LEDs for the exact location of the DRAM_LED.

•

The DRAM_LED also lights when the DIMM is not properly installed. Turn off the
system and reinstall the DIMM before using the MemOK! function.

•

The MemOK! switch does not function under Windows® OS environment.

•

During the tuning process, the system loads and tests failsafe memory settings. It
takes about 30 seconds for the system to test one set of failsafe settings. If the test
fails, the system reboots and test the next set of failsafe settings. The blinking speed
of the DRAM_LED increases, indicating different test processes.

•

Due to memory tuning requirement, the system automatically reboots when each
timing set is tested. If the installed DIMMs still fail to boot after the whole tuning
process, the DRAM_LED lights continuously. Replace the DIMMs with ones
recommended in the Memory QVL (Qualified Vendors Lists) in this user manual or on
the ASUS website at www.asus.com.

•

If you turn off the computer and replace DIMMs during the tuning process, the system
continues memory tuning after turning on the computer. To stop memory tuning, turn
off the computer and unplug the power cord for about 5–10 seconds.

•

If your system fail to boot due to BIOS overclocking, press the MemOK! switch to boot
and load BIOS default settings. A messgae will appear during POST reminding you
that the BIOS has been restored to its default settings.

•

We recommend that you download and update to the latest BIOS version from the
ASUS website at www.asus.com after using the MemOK! function.

ASUS P7P55D PRO

2-25

DRAM overvoltage setting switch (OV_DRAM)

This switch allows you to enable or disable the advanced DRAM overvoltage settings in
BIOS. Read the following information before you change the switch settings.

Chapter 2

OV_DRAM

2-26

Default

up to 2.0V

Enable OV (red)

up to 2.5V

•

Before you change the settings for extra-high overvoltage ability, use the BIOS items
first to adjust the desired DRAM performance. Ensure your system functions well
under the highest BIOS voltage settings before you change the setting of this switch.

•

According to Intel CPU spec, DIMMs voltage below 1.65V is recommended to protect
the CPU.

•

The system may need a better cooling system (for example, a water-cooling system)
to work stably under high voltage settings.

Chapter 2: Hardware information

Connectors

2.8.1

Rear panel connectors

Chapter 2

2.8

Rear panel connectors
1.

PS/2 mouse port (green)

Optical S/PDIF Out port

Coaxial S/PDIF Out port

USB 2.0 ports 3 and 4

USB 2.0 ports 5 and 6

IEEE 1394a port

LAN (RJ-45) port*

10. External SATA port

PS/2 keyboard port (purple)

11. USB 2.0 ports 1 and 2

USB 2.0 ports 7 and 8

12. Audio I/O ports**

*and **: Refer to the tables on the next page for LAN port and audio port definitions.

•

DO NOT insert a different connector to the external SATA port.

•

To enable external SATA device hot-plugging, set the J-Micron eSATA/PATA
Controller item in the BIOS setting to [AHCI Mode], and then reboot the system. Refer
to section 3.6.3 Onboard Device Configuration for details.

ASUS P7P55D PRO

2-27

* LAN port LED indications
ACT/LINK SPEED
LED
LED

Activity Link LED

Speed LED

Status

Description

Status

Description

OFF

No link

OFF

10 Mbps connection

ORANGE

Linked

ORANGE

100 Mbps connection

BLINKING

Data activity

GREEN

1 Gbps connection

LAN port

** Audio 2, 4, 6, or 8-channel configuration
Port

Headset
2-channel

4-channel

6-channel

8-channel

Chapter 2

Light Blue

Line In

Lime

Line Out

Front Speaker Out

Pink

Mic In

Orange

–

Center/Subwoofer

Black

–

Rear Speaker Out

Gray

–

Side Speaker Out

2.8.2

Audio I/O connections

Audio I/O ports

Connect to Headphone and Mic

2-28

Chapter 2: Hardware information

Connect to Stereo Speakers

Chapter 2

Connect to 2.1 channel Speakers

Connect to 4.1 channel Speakers

ASUS P7P55D PRO

2-29

Connect to 5.1 channel Speakers

Chapter 2
Connect to 7.1 channel Speakers

2-30

Chapter 2: Hardware information

2.8.3

IDE connector (40-1 pin PRI_EIDE)

The onboard IDE connector is for the Ultra DMA 133/100/66 signal cable. There are
three connectors on each Ultra DMA 133/100/66 signal cable: blue, black, and gray.
Connect the blue connector to the motherboard’s IDE connector, then select one of the
following modes to configure your device.

Chapter 2

Internal connectors

Drive jumper setting
Single device

Cable-Select or Master
Cable-Select

Two devices

Mode of device(s)

Cable connector

Black

Master

Black

Slave

Gray

Master

Slave

Black or gray

•

Pin 20 on the IDE connector is removed to match the covered hole on the Ultra DMA
cable connector. This prevents incorrect insertion when you connect the IDE cable.

•

Use the 80-conductor IDE cable for Ultra DMA 133/100/66 IDE devices.

If any device jumper is set as “Cable-Select”, ensure that all other device jumpers have the
same setting.

ASUS P7P55D PRO

2-31

Intel® P55 Serial ATA connectors (7-pin SATA 1-6)

These connectors are for the Serial ATA signal cables for Serial ATA hard disk drives
and optical disc drives.
If you installed Serial ATA hard disk drives, you can create a RAID 0, 1, 5, and 10
configuration with the Intel® Matrix Storage Technology through the onboard Intel® P55
chipset.

Chapter 2
2-32

•

These connectors are set to Standard IDE mode by default. In Standard IDE mode,
you can connect Serial ATA boot/data hard disk drives to these connectors. If you
intend to create a Serial ATA RAID set using these connectors, set the Configure
SATA as item in the BIOS to [RAID]. See section 3.4.2 Storage Configuration for
details.

•

Before creating a RAID set, refer to section 4.5 RAID configurations or the manual
bundled in the motherboard support DVD.

•

You must install Windows® XP Service Pack 2 or later version before using Serial
ATA hard disk drives. The Serial ATA RAID feature is available only if you are using
Windows® XP SP2 or later version.

•

When using hot-plug and NCQ, set the Configure SATA as in the BIOS to [AHCI].
See section 3.4.2 Storage Configuration for details.

Chapter 2: Hardware information

JMicron® JMB363 Serial ATA connectors (7-pin SATA_E1)

This connector is for a Serial ATA signal cable for a Serial ATA hard disk drive or optical
drive.

Chapter 2

To enable hot-plugging, set the J-Micron eSATA/PATA Controller item in the BIOS
setting to [AHCI Mode], and then reboot the system. See section 3.6.3 Onboard Device
Configuration for details.

ASUS P7P55D PRO

2-33

USB connectors (10-1 pin USB910; USB1112; USB1314)

These connectors are for USB 2.0 ports. Connect the USB module cable to any of
these connectors, then install the module to a slot opening at the back of the system
chassis. These USB connectors comply with USB 2.0 specification that supports up to
480 Mbps connection speed.

Chapter 2

Never connect a 1394 cable to the USB connectors. Doing so will damage the motherboard!
You can connect the front panel USB cable to the ASUS Q-Connector (USB, blue) first, and
then install the Q-Connector (USB) to the USB connector onboard if your chassis supports
front panel USB ports.

2-34

Optical drive audio connector (4-pin CD)

These connectors allow you to receive stereo audio input from sound sources such as
a CD-ROM, TV tuner, or MPEG card.

Chapter 2: Hardware information

IEEE 1394a port connector (10-1 pin IE1394_2)

This connector is for an IEEE 1394a port. Connect the IEEE 1394a module cable
to this connector, then install the module to a slot opening at the back of the system
chassis.

Chapter 2

Never connect a USB cable to the IEEE 1394a connector. Doing so will damage the
motherboard!
The IEEE 1394a module is purchased separately.

Serial port connector (10-1 pin COM1)

This connector is for a serial (COM) port. Connect the serial port module cable to this
connector, then install the module to a slot opening at the back of the system chassis.

The COM module is purchased separately.

ASUS P7P55D PRO

2-35

CPU, chassis, and power fan connectors
(4-pin CPU_FAN; 4-pin CHA_FAN1; 3-pin CHA_FAN2; 3-pin PWR_FAN)

Connect the fan cables to the fan connectors on the motherboard, ensuring that the
black wire of each cable matches the ground pin of the connector.

Chapter 2
Do not forget to connect the fan cables to the fan connectors. Insufficient air flow inside the
system may damage the motherboard components. These are not jumpers! Do not place
jumper caps on the fan connectors!

2-36

•

The CPU_FAN connector supports the CPU fan of maximum 2A (24 W) fan power.

•

Only the CPU_FAN, CHA_FAN1 and CHA_FAN2 connectors support the ASUS Fan
Xpert feature.

•

If you install two VGA cards, we recommend that you plug the rear chassis fan cable
to the motherboard connector labeled CHA_FAN1 or CHA_FAN2 for better thermal
environment.

Chapter 2: Hardware information

Digital audio connector (4-1 pin SPDIF_OUT)

This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port. Connect
the S/PDIF Out module cable to this connector, then install the module to a slot opening
at the back of the system chassis.

Chapter 2

The S/PDIF module is purchased separately.

10. Front panel audio connector (10-1 pin AAFP)

This connector is for a chassis-mounted front panel audio I/O module that supports
either HD Audio or legacy AC`97 audio standard. Connect one end of the front panel
audio I/O module cable to this connector.

•

We recommend that you connect a high-definition front panel audio module to this
connector to avail of the motherboard’s high-definition audio capability.

•

If you want to connect a high-definition front panel audio module to this connector, set
the Front Panel Type item in the BIOS setup to [HD Audio]; if you want to connect an
AC'97 front panel audio module to this connector, set the item to [AC97]. By default,
this connector is set to [HD Audio].

ASUS P7P55D PRO

2-37

11.

ATX power connectors (24-pin EATXPWR; 8-pin EATX12V)

These connectors are for ATX power supply plugs. The power supply plugs are
designed to fit these connectors in only one orientation. Find the proper orientation and
push down firmly until the connectors completely fit.

Chapter 2

•

For a fully configured system, we recommend that you use a power supply unit
(PSU) that complies with ATX 12 V Specification 2.0 (or later version) and provides a
minimum power of 350 W.

•

Do not forget to connect the 8-pin EATX12 V power plug; otherwise, the system will
not boot.

•

We recommend that you use a PSU with higher power output when configuring a
system with more power-consuming devices. The system may become unstable or
may not boot up if the power is inadequate.

•

If you are uncertain about the minimum power supply requirement for your system,
refer to the Recommended Power Supply Wattage Calculator at http://support.asus.
com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for details.

•

If you want to use two or more high-end PCI Express x16 cards, use a PSU with
1000W power or above to ensure the system stability.
PSU suggested list

2-38

Coolive AP-350F

OCZ OCZGXS850

AcBel PC7030

Seasonic SS-850EM

Antec SG-850

Seasonic SS-900HP

Be quiet P6-PRO-850W

Seventeam ST-420BKP

Corsair CMPSU-620HX

Seventeam ST-522HLP

CWT PSH650V-D

Silverstone PSU ST56ZF

CWT PSH750V-D

Silverstone SST-ST50EF

EnerMAX EGX1000EWL

Silverstone SST-ST85F

EnerMAX EIN720AWT

Snake PSH500V

EnerMAX ELT500AWT

Tagan TG1100-U33

FSP FSP500-60GLN

Thermaltake PUREPower-600AP

I-cuteAP-600S

Thermaltake TWV500W-AP

OCZ OCZ1000PXS

Thermaltake W0133RU

OCZ OCZ780MXS

Zalman ZM600-HP

Chapter 2: Hardware information

12. System panel connector (20-8 pin PANEL)

•

This connector supports several chassis-mounted functions.

Chapter 2

System power LED (2-pin PLED)

This 2-pin connector is for the system power LED. Connect the chassis power LED
cable to this connector. The system power LED lights up when you turn on the system
power, and blinks when the system is in sleep mode.

•

Hard disk drive activity LED (2-pin IDE_LED)

•

System warning speaker (4-pin SPEAKER)

•

ATX power button/soft-off button (2-pin PWRSW)

•

Reset button (2-pin RESET)

This 2-pin connector is for the HDD Activity LED. Connect the HDD Activity LED cable
to this connector. The IDE LED lights up or flashes when data is read from or written to
the HDD.
This 4-pin connector is for the chassis-mounted system warning speaker. The speaker
allows you to hear system beeps and warnings.
This connector is for the system power button. Pressing the power button turns the
system on or puts the system in sleep or soft-off mode depending on the BIOS settings.
Pressing the power switch for more than four seconds while the system is ON turns the
system OFF.
This 2-pin connector is for the chassis-mounted reset button for system reboot without
turning off the system power.

ASUS P7P55D PRO

2-39

2.8.4.

ASUS Q-Connector (system panel)

Use the ASUS Q-Connector to connect/disconnect the chassis front panel cables.
To install the ASUS Q-Connector:
1.

Connect the front panel cables to the ASUS
Q-Connector.
Refer to the labels on the Q-Connector to
know the detailed pin definitions, and then
match them to their respective front panel
cable labels.
The labels on the front panel cables
may vary depending on the chassis
model.

Chapter 2
2-40

Install the ASUS Q-Connector to the system
panel connector, ensuring the orientation
matches the labels on the motherboard.

The front panel functions are now enabled.
The figure shows the Q-Connector is properly
installed on the motherboard.

IDE_LED+
IDE_LED-

PWR
Ground
Reset
Ground

IDE_LED

R SW

POWE

S
RESET

Chapter 2: Hardware information

2.9

POST State LEDs

POST State LEDs check key components (CPU, DRAM, VGA card, and HDD) in
sequence during motherboard booting process. If an error is found , the LED next to
the error device will continue lighting until the problem is solved. This user-friendly
design provides an intuitional way to locate the root problem within a second.

Chapter 2

Onboard LEDs

You may disable the POST State LEDs in BIOS. Refer to section 3.8.2 Boot Settings
Configuration for details.

ASUS P7P55D PRO

2-41

2.10 Starting up for the first time
1.

After making all the connections, replace the system case cover.

Connect the power cord to the power connector at the back of the system chassis.

2.
4.
5.

Chapter 2

Be sure that all switches are off.

Connect the power cord to a power outlet that is equipped with a surge protector.
Turn on the devices in the following order:
a.

Monitor

System power

External SCSI devices (starting with the last device on the chain)

After applying power, the system power LED on the system front panel case lights up.
For systems with ATX power supplies, the system LED lights up when you press the
ATX power button. If your monitor complies with the “green” standards or if it has a
“power standby” feature, the monitor LED may light up or change from orange to green
after the system LED turns on.

The system then runs the power-on self tests or POST. While the tests are running, the
BIOS beeps (see the BIOS beep codes table below) or additional messages appear on
the screen. If you do not see anything within 30 seconds from the time you turned on
the power, the system may have failed a power-on test. Check the jumper settings and
connections or call your retailer for assistance.
BIOS Beep

Description

One short beep

VGA detected
Quick boot set to disabled
No keyboard detected

One continuous beep followed by two short
beeps then a pause (repeated)

No memory detected

One continuous beep followed by three short
beeps

No VGA detected

One continuous beep followed by four short
beeps

Hardware component failure

At power on, hold down the key to enter the BIOS Setup. Follow the
instructions in Chapter 3.

2.11 Turning off the computer
While the system is ON, pressing the power switch for less than four seconds puts the system
on sleep mode or soft-off mode, depending on the BIOS setting. Pressing the power switch
for more than four seconds lets the system enter the soft-off mode regardless of the BIOS
setting. Refer to section 3.7 Power menu in Chapter 3 for details.

2-42

Chapter 2: Hardware information

Chapter 3
Chapter 3:

3.1

BIOS setup

Knowing BIOS

BIOS (Basic Input and Output System) stores system hardware settings such as storage
device configuration, overclocking settings, advanced power management, and boot device
configuration that are needed for system startup in the motherboard CMOS. In normal
circumstances, the default BIOS settings apply to most conditions to ensure optimum
performance. We recommend that you not change the default BIOS settings except in
the following circumstances:
•
•

An error message appears on the screen during the system bootup and requests you to
run the BIOS Setup.
You have installed a new system component that requires further BIOS settings or
update.

Inappropriate settings of the BIOS may result to instability or failure to boot. We strongly
recommend that you change the BIOS settings only with the help of a trained service
personnel.

3.2

Updating BIOS

The ASUS website publishes the latest BIOS versions to provide enhancements on system
stability, compatibility, or performance. However, BIOS updating is potentially risky. If there
is no problem using the current version of BIOS, DO NOT manually update the BIOS.
Inappropriate BIOS updating may result in the system’s failure to boot. Carefully follow the
instructions of this chapter to update your BIOS if necessary.

Chapter 3

Visit the ASUS website (www.asus.com) to download the latest BIOS file for this
motherboard.

The following utilities allow you to manage and update the motherboard BIOS setup program.
1.

ASUS Update: Updates the BIOS in Windows® environment.

ASUS CrashFree BIOS 3 utility: Restores the BIOS using the motherboard support
DVD or a USB flash drive when the BIOS file fails or gets corrupted.

ASUS EZ Flash 2: Updates the BIOS using a USB flash drive.

ASUS BIOS Updater: Updates the BIOS in DOS environment using a floppy disk drive
or USB floppy disk drive.

Refer to the corresponding sections for details on these utilities.
Save a copy of the original motherboard BIOS file to a USB flash disk in case you need
to restore the BIOS in the future. Copy the original motherboard BIOS using the ASUS
Update utility.

ASUS P7P55D PRO

3-1

3.2.1

ASUS Update utility

The ASUS Update is a utility that allows you to manage, save, and update the motherboard
BIOS in Windows® environment. The ASUS Update utility allows you to:
•

Save the current BIOS file

•

Update the BIOS from an updated BIOS file

•
•
•

Download the latest BIOS file from the Internet
Update the BIOS directly from the Internet
View the BIOS version information

This utility is available in the support DVD that comes with the motherboard package.
ASUS Update requires an Internet connection either through a network or an Internet
Service Provider (ISP).

Installing ASUS Update
To install ASUS Update:
1.

Place the support DVD in the optical drive.

The ASUS Update utility is copied to your system.

From the Main menu, click the Utilities tab, then click Install ASUS Update VX.XX.XX.

Quit all Windows® applications before you update the BIOS using this utility.

Updating the BIOS through the Internet

Chapter 3

To update the BIOS through the Internet:
1.

3-2

From the Windows® desktop, click
Start > Programs > ASUS >
ASUSUpdate > ASUSUpdate. The
ASUS Update main window appears.

Select Update BIOS from the
Internet from the drop‑down menu,
and then click Next.

Chapter 3: BIOS setup

Select the ASUS FTP site nearest
you to avoid network traffic, or click
Auto Select. Click Next.

From the FTP site, select the BIOS
version that you wish to download. Click
Next.

Follow the onscreen instructions to complete the update process.
The ASUS Update utility is capable of updating itself through the Internet. Always update
the utility to avail all its features.

Updating the BIOS through a BIOS file
To update the BIOS through a BIOS file:

Fom the Windows® desktop, click
Start > Programs > ASUS >
ASUSUpdate > ASUSUpdate. The
ASUS Update main window appears.
Select Update BIOS from a file
from the dropdown menu, then click
Next.

3.
4.

Locate the BIOS file from the Open
window, then click Open.

Chapter 3

Follow the onscreen instructions to
complete the update process.

P7P55PRO.ROM

P7P55PRO

Ensure to load the BIOS default
settings to ensure system
compatibility and stability. Select the
Load Setup Defaults item under
the Exit menu. See section 3.10 Exit
Menu for details.

ASUS P7P55D PRO

3-3

3.2.2

ASUS EZ Flash 2 utility

The ASUS EZ Flash 2 feature allows you to update the BIOS without having to use a
bootable floppy disk or an OS‑based utility.
Before you start using this utility, download the latest BIOS from the ASUS website
at www.asus.com.

To update the BIOS using EZ Flash 2:
1.

Insert the USB flash disk that contains the latest BIOS file to the USB port, and then
launch EZ Flash 2 in any of these two ways:

•
•

Press + during POST to display the following.

Enter the BIOS setup program. Go to the Tools menu to select EZ Flash 2 and
press to enable it.
ASUSTek EZ Flash 2 BIOS ROM Utility V3.38
FLASH TYPE: MXIC 25L1605A
Current ROM
BOARD: P7P55D PRO
VER: 0105
DATE: 06/17/2009

Update ROM
BOARD: Unknown
VER: Unknown
DATE: Unknown

PATH: A:\
A:

Chapter 3

Note
[Enter] Select or Load
[Up/Down/Home/End] Move

[Tab] Switch
[B] Backup

[V] Drive Info
[Esc] Exit

Press to switch between drives until the correct BIOS file is found. When
the correct BIOS file is found, EZ Flash 2 performs the BIOS update process and
automatically reboots the system when done.
•

This function can support devices such as a USB flash disk with FAT 32/16 format and
single partition only.

•

DO NOT shut down or reset the system while updating the BIOS to prevent system
boot failure!

Ensure to load the BIOS default settings to ensure system compatibility and stability. Select
the Load Setup Defaults item under the Exit menu. See section 3.10 Exit Menu for
details.

3-4

Chapter 3: BIOS setup

3.2.3

ASUS CrashFree BIOS 3 utility

The ASUS CrashFree BIOS 3 utility is an auto recovery tool that allows you to restore the
BIOS file when it fails or gets corrupted during the updating process. You can restore a
corrupted BIOS file using the motherboard support DVD or a USB flash drive that contains
the BIOS file.
The BIOS file in the motherboard support DVD may be older than the BIOS file published
on the ASUS official website. If you want to use the newer BIOS file, download the file at
support.asus.com and save it to a USB flash drive.

Recovering the BIOS
To recover the BIOS:
1.
2.
3.
4.
5.

Turn on the system.

Insert the motherboard support DVD to the optical drive, or the USB flash drive
containing the BIOS file to the USB port.

The utility automatically checks the devices for the BIOS file. When found, the utility
reads the BIOS file and starts flashing the corrupted BIOS file.
Turn off the system after the utility completes the updating process and power on
again.

The system requires you to enter BIOS Setup to recover BIOS setting. To ensure
system compatibility and stability, we recommend that you press to load default
BIOS values.

3.2.4

Chapter 3

DO NOT shut down or reset the system while updating the BIOS! Doing so can cause
system boot failure!

ASUS BIOS Updater

The ASUS BIOS Updater allows you to update the BIOS file in DOS environment using a
bootable floppy disk with the updated BIOS file. This utility also allows you to copy the current
BIOS file that you can use as a backup when the BIOS fails or gets corrupted during the
updating process.

Creating a bootable floppy disk
Do either one of the following to create a bootable floppy disk.

DOS environment
1.
2.

Insert a 1.44MB floppy disk into the floppy disk drive. For motherboards without an
onboard floppy connector, use a USB floppy disk drive instead.
At the DOS prompt, type format A:/S then press .

ASUS P7P55D PRO

3-5

Windows® environment
1.
2.
3.
4.

Insert a 1.44MB floppy disk into the floppy disk drive. For motherboards without an
onboard floppy connector, use a USB floppy disk drive instead.

Click Start from the Windows® desktop, and then select My Computer (Windows® XP)
/ Computer (Windows® Vista / 7).

Right-click Floppy Disk Drive, and then click Format to display the Format Floppy
Disk Drive dialog box.

Select the Create an MS-DOS startup disk check box, and then click Start.

Copying the current BIOS
To copy the current BIOS file using the BIOS Updater

1.
2.

•

Ensure that the floppy disk is not write-protected and has at least 1024KB free space
to save the file.

•

The succeeding BIOS screens are for reference only. The actual BIOS screen displays
may not be same as shown.

Copy BIOS Updater (BUPDATER.EXE) from the motherboard support DVD to the
bootable floppy disk.
Boot the system in DOS mode, and then at the prompt type:
bupdater /o[filename]
The [filename] is any user-assigned filename with no more than eight alphanumeric
characters for the main filename and three alphanumeric characters for the extension name.

Chapter 3

A:\>bupdater /oOLDBIOS1.rom
Main filename

Extension name

The BIOS Updater backup screen appears indicating the BIOS backup process. When
BIOS backup is done, press any key to return to the DOS prompt.
ASUSTek BIOS Updater for DOS V1.00b [09/06/22]
FLASH TYPE: MXIC 25L1605A
Current ROM
BOARD: P7P55D PRO
VER: 0105
DATE: 06/17/2009

Update ROM
BOARD: Unknown
VER: Unknown
DATE: Unknown

PATH: A:\
BIOS backup is done! Press any key to continue.

Note
Saving BIOS:

3-6

Chapter 3: BIOS setup

Updating the BIOS file
To update the BIOS file using BIOS Updater
1.
2.
3.

Visit the ASUS website at www.asus.com and download the latest BIOS file for the
motherboard. Save the BIOS file to a bootable floppy disk.
Copy BIOS Updater (BUPDATER.EXE) from the motherboard support DVD to the
bootable floppy disk.
Boot the system in DOS mode, and then at the prompt type:
bupdater /pc /g
A:\>bupdater /pc /g

The BIOS Updater screen appears as below.
ASUSTek BIOS Updater for DOS V1.00b [09/06/22]
FLASH TYPE: MXIC 25L1605A
Current ROM
BOARD: P7P55D PRO
VER: 0105
DATE: 06/17/2009

Update ROM
BOARD: Unknown
VER: Unknown
DATE: Unknown

PATH: A:\
2097152 2009-08-06 17:30:48

Note

[Enter] Select or Load
[Up/Down/Home/End] Move

[Tab] Switch
[B] Backup

[V] Drive Info
[Esc] Exit

Chapter 3

P7P55D.ROM

Use the keys to select the BIOS file and press . BIOS
Updater checks the selected BIOS file and prompts you to confirm BIOS update.
Are you sure to update BIOS?
Yes

Select Yes and press . When BIOS update is done, press to exit BIOS
Updater. Restart your computer.
DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure!
•

For BIOS Updater version 1.04 or later, the utility automatically exits to the DOS
prompt after updating BIOS.

•

Ensure to load the BIOS default settings to ensure system compatibility and stability.
Select the Load Setup Defaults item under the Exit BIOS menu. See Chaper 3 of
your motherboard user manual for details.

ASUS P7P55D PRO

3-7

3.3

BIOS setup program

A BIOS Setup program is provided for BIOS item modification. When you start up the
computer, the system provides you with the opportunity to run this program. Press
during the Power-On Self-Test (POST) to enter the Setup utility. Otherwise, POST continues
with its test routines.

If you wish to enter Setup after POST, restart the system by pressing + + ,
or by pressing the reset button on the system chassis. You can also restart by turning the
system off and then back on. Do this last option only if the first two failed.

The Setup program is designed to make it as easy to use as possible. Being a menu-driven
program, it lets you scroll through the various submenus and select from the available options
using the navigation keys.

3.3.1

•

The BIOS setup screens shown in this section are for reference purposes only, and
may not exactly match what you see on your screen.

•

If the system becomes unstable after changing any BIOS setting, load the default
settings to ensure system compatibility and stability. Select the Load Setup Defaults
item under the Exit menu. See section 3.10 Exit Menu for details.

•

If the system fails to boot after changing any BIOS setting, try to clear the CMOS and
reset the motherboard to the default value. See section 2.6 Jumpers for details.

BIOS menu screen

Menu items

Main

Menu bar

Ai Tweaker

System Time
System Date
Language

Chapter 3

SATA1
SATA2
SATA3
SATA4
SATA5
SATA6

Configuration fields

BIOS SETUP UTILITY
Advanced
Power
Boot

General help
Tools

Exit

[13:51:25]
[Thu 07/09/2009]
[English]

Use [ENTER], [TAB]
or [SHIFT-TAB] to
select a field.

[HDT722516DLA380]
[Not Detected]
[ATAPI DVD DH1]
[Not Detected]
[Not Detected]
[Not Detected]

Use [+] or [-] to
configure system Date.

Storage Configuration
System Information

←→
↑↓
+Tab
F1
F10
ESC

Select Screen
Select Item
Change Field
Select Field
General Help
Save and Exit
Exit

v02.61 (C)Copyright 1985-2009, American Megatrends, Inc.
Submenu items

3.3.2

Navigation keys

Menu bar

The menu bar on top of the screen has the following main items:

3-8

Main

For changing the basic system configuration

Ai Tweaker

For changing the overclocking settings

Advanced

For changing the advanced system settings

Power

For changing the advanced power management (APM) configuration

Boot

For changing the system boot configuration

Tools

For configuring options for special functions

Exit

For selecting the exit options and loading default settings
Chapter 3: BIOS setup

3.3.3

Navigation keys

At the bottom right corner of a menu screen are the navigation keys for that particular menu.
Use the navigation keys to select items in the menu and change the settings.
The navigation keys may differ from one screen to another.

3.3.4

Menu items

The highlighted item on the menu bar displays the specific items for that menu. For example,
selecting Main shows the Main menu items.
The other items (Ai Tweaker, Advanced, Power, Boot, Tools, and Exit) on the menu bar have
their respective menu items.

3.3.5

Submenu items

A solid triangle before each item on any menu screen means that the item has a submenu. To
display the submenu, select the item and press .

3.3.6

Configuration fields

These fields show the values for the menu items. If an item is user-configurable, you can
change the value of the field opposite the item. You cannot select an item that is not
user-configurable.
A configurable field is enclosed in brackets, and is highlighted when selected. To change the
value of a field, select it and press to display a list of options. Refer to 3.3.7 Pop-up
window.

Pop-up window

Select a menu item and press to
display a pop-up window with the configuration
options for that item.

3.3.8

BIOS SETUP UTILITY
Advanced
Power
Boot

Ai Tweaker

Suspend Mode
ACPI Version Features
ACPI APIC support

Tools

Exit

Use [ENTER], [TAB] or
[SHIFT-TAB] to select
a field.

[Auto]
[Disabled]
[Enabled]
Disabled
Enabled

Use [+] or [-] to
configure system Time.

APM Configuration
Hardware Monitor

Scroll bar

A scroll bar appears on the right side of a
menu screen when there are items that do not
fit on the screen. Press the Up/Down arrow
keys or / keys to
display the other items on the screen.

3.3.9

Main

Chapter 3

3.3.7

←→
↑↓
+-
Tab
F1
F10
ESC

Select Screen
Select Item
Change Field
Select Field
General Help
Save and Exit
Exit

Scroll bar
Pop-up window

General help

At the top right corner of the menu screen is a brief description of the selected item.

ASUS P7P55D PRO

3-9

3.4

Main menu

When you enter the BIOS Setup program, the Main menu screen appears, giving you an
overview of the basic system information. Select an item and press to display the
submenu.
Refer to section 3.3.1 BIOS menu screen for information on the menu screen items and
how to navigate through them.

Main

Ai Tweaker

System Time
System Date
Language
SATA1
SATA2
SATA3
SATA4
SATA5
SATA6

BIOS SETUP UTILITY
Advanced
Power
Boot

Tools

Exit

[13:51:25]
[Thu 07/09/2009]
[English]

Use [ENTER], [TAB]
or [SHIFT-TAB] to
select a field.

[HDT722516DLA380]
[Not Detected]
[ATAPI DVD DH1]
[Not Detected]
[Not Detected]
[Not Detected]

Use [+] or [-] to
configure system Date.

←→
↑↓
+Tab
F1
F10
ESC

Storage Configuration
System Information

Select Screen
Select Item
Change Field
Select Field
General Help
Save and Exit
Exit

3.4.1

SATA 1-6

Chapter 3

While entering Setup, the BIOS automatically detects the presence of SATA devices. There
is a separate submenu for each SATA device. Select a device item and press to
display the SATA device information.
Main

BIOS SETUP UTILITY

SATA 1
Device
: Hard Disk
Vendor
: HDT722516DLA380
Size
: 164.7GB
LBA Mode
: Supported
Block Mode
: 16Sectors
PIO Mode
: 4
Async DMA
: MultiWord DMA-2
Ultra DMA
: Ultra DMA-6
SMART Monitoring:Supported
Type [Auto]
LBA/Large Mode [Auto]
Block(Multi-sector Transfer)M
[Auto]
PIO Mode [Auto]
DMA Mode [Auto]
SMART Monitoring [Auto]
32Bit Data Transfer [Enabled]

Select the type
of device connected
to the system.

←→
↑↓
+F1
F10
ESC

Select Screen
Select Item
Change Field
General Help
Save and Exit
Exit

The BIOS automatically detects the values opposite the dimmed items (Device, Vendor, Size,
LBA Mode, Block Mode, PIO Mode, Async DMA, Ultra DMA, and SMART Monitoring). These
values are not user-configurable. These items show N/A if no SATA device is installed in the
system.

3-10

Chapter 3: BIOS setup

Type [Auto]

Allows you to select the type of device installed.
[Not Installed]
[Auto]
[CDROM]
[ARMD]

Select this option if no device is installed.
Allows automatic selection of the appropriate device type.
Select this option if you are specifically configuring a CD-ROM drive.
Select [ARMD] (ATAPI Removable Media Device) if your device is either a
ZIP, LS-120, or MO drive.

This item appears in SATA1-4 only.

LBA/Large Mode [Auto]
[Auto]

[Disabled]

Select [Auto] to enable the LBA mode (Logical Block Addressing mode)
if the device supports this mode, and if the device was not previously
formatted with LBA mode disabled.
Disables this function.

Block (Multi-Sector Transfer) M [Auto]
[Auto]

[Disabled]

When set to [Auto], the data transfer from and to the device occurs in
multiple sectors at a time if the device supports multi-sector transfer feature.
When set to [Disabled], the data transfer from and to the device occurs one
sector at a time.

PIO Mode [Auto]

Chapter 3

[Auto] Allows automatic selection of the PIO (Programmed input/output) modes,
which correspond to different data transfer rates.
[0] [1] [2] [3] [4] Sets the PIO mode to Mode 0, 1, 2, 3, or 4.

DMA Mode [Auto]

DMA (Direct Memory Access) allows your computer to transfer data to and from the hardware
devices installed with much less CPU overhead.
The DMA mode consists of SDMA (single-word DMA), MDMA (multi-word DMA), and UDMA
(Ultra DMA). Setting to [Auto] allows automatic selection of the DMA mode.

SMART Monitoring [Auto]

[Auto] Allows automatic selection of the S.M.A.R.T (Smart Monitoring, Analysis,
and Reporting Technology).
[Enabled] Enables the S.M.A.R.T feature.
[Disabled] Disables the S.M.A.R.T feature.

32Bit Data Transfer [Enabled]

[Enabled] Sets the controller to combine two 16-bit reads from the hard disk into
a single 32-bit double word transfer to the processor. This makes more
efficient use of the PCI bus as fewer transactions are needed for the
transfer of a particular amount of data.
[Disabled] Disables this function.

ASUS P7P55D PRO

3-11

3.4.2

Storage Configuration

The Storage Configuration menu allows you to configure your storage devices. Select an item
then press to display the submenu.
BIOS SETUP UTILITY

Main
Storage Configuration
SATA Configuration
Configure SATA as

[Enhanced]
[IDE]

Hard Disk Write Protect
IDE Detect Time Out (Sec)

[Disabled]
[35]

SATA Configuration [Enhanced]

Configuration options: [Disabled] [Compatible] [Enhanced]

Configure SATA as [IDE]
Allows you to set the SATA configuration. This item appears only when you set the
SATA Configuration item to [Enhanced] or [Compatible].
[IDE]
[RAID]
[AHCI]

Set to [IDE] when you want to use the Serial ATA hard disk drives as
Parallel ATA physical storage devices.
Set to [RAID] when you want to create a RAID configuration from the SATA
hard disk drives.
Set to [AHCI] when you want the SATA hard disk drives to use the AHCI
(Advanced Host Controller Interface). The AHCI allows the onboard
storage driver to enable advanced Serial ATA features that increases
storage performance on random workloads by allowing the drive to
internally optimize the order of commands.

Chapter 3

Hard Disk Write Protect [Disabled]
[Enabled]

[Disabled]

Enables device write protection. This function will be effective only if the
device is accessed through BIOS.
Disables this function.

IDE Detect Time Out (Sec) [35]

Selects the time out value for detecting ATA/ATAPI devices from the following options: [0] [5]
[10] [15] [20] [25] [30] [35]

3-12

Chapter 3: BIOS setup

3.4.3

AHCI Configuration

This menu is the section for AHCI configuration. It appears only when you set the item
Configure SATA as from the submenu of SATA Configuration to [AHCI].
BIOS SETUP UTILITY

Main
AHCI Settings
SATA
SATA
SATA
SATA
SATA
SATA

Port1
Port2
Port3
Port4
Port5
Port6

[Not
[Not
[Not
[Not
[Not
[Not

Detected]
Detected]
Detected]
Detected]
Detected]
Detected]

SATA Port1–6 [XXXX]

Displays the status of auto-detection of SATA devices.

SATA Port1–6 [Auto]
[Auto] Allows automatic selection of the device type connected to the
system.
[Not Installed]
Selects this option if no SATA devices are installed.
SMART Monitoring [Enabled]
S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) is a monitor system.
When read/write of your hard disk errors occur, this feature allows the hard disk to
report warning messages during the POST.

3.4.4

Enables the SMART monitoring feature.
Disables the SMART monitoring feature.

Chapter 3

[Enabled]
[Disabled]

System Information

This menu gives you an overview of the general system specifications. The BIOS automatically
detects the BIOS information, CPU specification, and system memory in this menu.
Main

BIOS SETUP UTILITY

BIOS Information
BIOS Version
: 0166
BIOS Build Date : 07/08/09
EC BIOS Version : MBEC-0024
Processor
Type
: Genuine Intel(R) CPU @ 2.13GHz
Speed
: 2139MHz
System Memory
Usable Size
: 1016MB

ASUS P7P55D PRO

3-13

3.5

Ai Tweaker menu

The Ai Tweaker menu items allow you to configure overclocking-related items.
Be cautious when changing the settings of the Ai Tweaker menu items. Incorrect field
values can cause the system to malfunction.
The configuration options for this chapter vary depending on the CPU and DIMM model you
installed on the motherboard.

Main

Ai Tweaker

BIOS SETUP UTILITY
Advanced
Power
Boot

Tools

Configure System Performance Settings
Ai Overclock Tuner
[Auto]
CPU Ratio Setting
[Auto]
Intel(R) SpeedStep(TM) Tech
[Enabled]
Intel(R) TurboMode Tech
[Enabled]
Xtreme Phase Full Power Mode [Auto]
DRAM Frequency
[Auto]
QPI Frequency
[Auto]

Exit

Press ENTER to run the
utility to Tuner BCLK.

DRAM Timing Control
CPU Differential Amplitude
[Auto]
CPU Clock Skew
[Auto]
******* Please key in numbers directly! *******
CPU Voltage Mode
[Offset]
Offset Voltage
[Auto]
Current CPU Core Voltage
[ 1.048V]
IMC Voltage
[Auto]
Current IMC Voltage
[ 1.109V]

←→
↑↓
+F1
F10
ESC

Select Screen
Select Item
Change Option
General Help
Save and Exit
Exit

Scroll down to display the following items:

Chapter 3

DRAM Voltage
[Auto]
Current DRAM Voltage
[ 1.500V]
CPU PLL Voltage
[Auto]
Current CPU PLL Voltage
[ 1.800V]
PCH Voltage
[Auto]
Current PCH Voltage
[ 1.040V]
DRAM DATA REF Voltage on CHA [Auto]
DRAM DATA REF Voltage on CHB [Auto]
***********************************************
Load-Line Calibration
[Auto]
CPU Spread Spectrum
[Auto]
PCIE Spread Spectrum
[Auto]

←→
↑↓
+F1
F10
ESC

Select Screen
Select Item
Change Option
General Help
Save and Exit
Exit

3.5.1

Ai Overclock Tuner [Auto]

Allows you to select the CPU overclocking options to achieve the desired CPU internal
frequency. Select any of these preset overclocking configuration options:

3-14

Manual

Allows you to individually set overclocking parameters.

Auto

Loads the optimal settings for the system.

D.O.C.P

Overclocks DRAM frequency by adjusting BCLK frequency.

X.M.P.

If you install memory modules supporting the eXtreme Memory Profile
(X.M.P.) Technology, choose this item to set the profiles supported by
your memory modules for optimizing the system performance.

Chapter 3: BIOS setup

The configuration options for the following sub-items vary depending on the DIMMs you
install on the motherboard.

DRAM O.C. Profile [DDR3-1600MHz]

This item appears only when you set the Ai Overclock Tuner item to [D.O.C.P.] and allows
you to select a DRAM O.C. profile, which applies different settings to DRAM frequency,
DRAM timing and DRAM voltage. Configuration options: [DDR3-1600MHz] [DDR3-1800MHz]
[DDR3-1866MHz] [DDR3-2000MHz] [DDR3-2133MHz]
DRAM Frequency
(MHz)

CPU Frequency (GHz)
2.66

2.8

2.93

1333

Auto

1600

D.O.C.P.

Auto

Above 1600

D.O.C.P.

•

When using DIMMs with a frequncy higher than the Intel® CPU spec, use this ASUS
exclusive DRAM O.C. Profile function to overclock the DRAM.

•

Adjust BCLK frequency to obtain a better performance after applying the D.O.C.P
function.

eXtreme Memory Profile [High Performance]

This item appears only when you set the Ai Overclock Tuner item to [X.M.P.] and allows you
to select the X.M.P. mode supported by your memory module.
You are not allowed to select the memory profile.
Allows your memory to work in high performance.
Allows your memory to work in high frequency.

Chapter 3

[Disabled]
[High Performance]
[High Frequency]

To obtain the best performance of the X.M.P. DIMM or 1600MHz DIMM, install only one
DIMM on each memory channel.

3.5.2

CPU Ratio Setting [Auto]

Allows you to set the ratio between the CPU Core Clock and the BCLK Frequency. Use the <+>
and <-> keys to adjust the ratio. The valid value ranges vary according to your CPU model.

3.5.3
[Enabled]
[Disabled]

Intel(R) SpeedStep(TM) Tech [Enabled]
The CPU speed is controlled by the operating system.
The CPU runs at its default speed.

ASUS P7P55D PRO

3-15

3.5.4
[Enabled]
[Disabled]

3.5.5
[Auto]
[Enabled]

Intel(R) TurboMode Tech [Enabled]
Allows processor cores to run faster than marked frequency in specific
condition.
Disables this function.

Xtreme Phase Full Power Mode [Auto]
Automatic configuration.
Enables Full Power Mode to ensure the best CPU overclocking performance.
The following two items appear only when you set the Ai Overclock Tuner item to
[Manual], [D.O.C.P.] or [X.M.P.].

3.5.6

BCLK Frequency [XXX]

Allows you to adjust the CPU operating frequency to enhance the system performance. Use
the <+> and <-> keys to adjust the value. You can also key in the desired value using the
numeric keypad. The values range from 80 to 500.

3.5.7

PCIE Frequency [XXX]

Allows you to set the PCI Express frequency. Use the <+> and <-> keys to adjust the PCIE
frequency. You can also key in the desired value using the numeric keypad. The values range
from 100 to 200.

3.5.8

DRAM Frequency [Auto]

Allows you to set the DDR3 operating frequency. The configuration options vary with the
BCLK Frequency item settings.

Chapter 3

According to Intel CPU spec, CPUs with a core frequency of 2.66G support the maximum
DIMM frequency of up to DDR3 1333. To use DIMMs of a higher frequency with a 2.66G
CPU, enable the DRAM O.C. Profile feature in BIOS. Refer to section 3.5.1 Ai Overclock
Tuner for details.
Selecting a very high DRAM frequency may cause the system to become unstable! If this
happens, revert to the default setting.

3.5.9

QPI Frequency [Auto]

Allows you to set the QPI frequency.

3.5.10

DRAM Timing Control

The items in this menu allow you to set the DRAM timing control features.
The configuration options for some of the following items vary depending on the DIMMs
you install on the motherboard.

3-16

Chapter 3: BIOS setup

1st Information: 6-6-6-15-4-36-6-5-16

The values vary depending on your settings of the following sub-items:

DRAM CAS# Latency [Auto]
Configuration options: [Auto] [3 DRAM Clock] [4 DRAM Clock] – [10 DRAM Clock] [11
DRAM Clock]
DRAM RAS# to CAS# Delay [Auto]
Configuration options: [Auto] [3 DRAM Clock] [4 DRAM Clock] – [9 DRAM Clock] [10
DRAM Clock]
DRAM RAS# PRE Time [Auto]
Configuration options: [Auto] [3 DRAM Clock] [4 DRAM Clock] – [9 DRAM Clock] [10
DRAM Clock]
DRAM RAS# ACT Time [Auto]
Configuration options: [Auto] [3 DRAM Clock] [4 DRAM Clock] – [30 DRAM Clock] [31
DRAM Clock]
DRAM RAS# to RAS# Delay [Auto]
Configuration options: [Auto] [1 DRAM Clock] – [7 DRAM Clock]
DRAM REF Cycle Time [Auto]
Configuration options: [Auto] [30 DRAM Clock] [36 DRAM Clock]
[48 DRAM Clock] [60 DRAM Clock] [72 DRAM Clock] [82 DRAM Clock]
[88 DRAM Clock] [90 DRAM Clock] [100 DRAM Clock] [110 DRAM Clock]
DRAM WRITE Recovery Time [Auto]
Configuration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock]

Chapter 3

DRAM READ to PRE Time [Auto]
Configuration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock]
DRAM FOUR ACT WIN Time [Auto]
Configuration options: [Auto] [1 DRAM Clock] – [63 DRAM Clock]

2nd Information: 1N-49-52

The values vary depending on your settings of the following sub-items:

DRAM Timing Mode [Auto]
Configuration options: [Auto] [1N] [2N] [3N]
DRAM Round Trip Latency on CHA/B [Auto]
[Auto] [Advance 15 Clock]–[Advance 1 Clock] [Normal] [Delay 1 Clock]
[Delay 15 Clock]

3rd Information: 6-6-13-9-9-9-7-6-4-7-7-4

The values vary depending on your settings of the following sub-items:

DRAM WRITE to READ Delay(DD) [Auto]
Configuration options: [Auto] [1 DRAM Clock] – [8 DRAM Clock]

ASUS P7P55D PRO

3-17

DRAM WRITE to READ Delay(DR) [Auto]
Configuration options: [Auto] [1 DRAM Clock] – [8 DRAM Clock]
DRAM WRITE to READ Delay(SR) [Auto]
Configuration options: [Auto] [10 DRAM Clock] – [22 DRAM Clock]
DRAM READ to WRITE Delay(DD) [Auto]
Configuration options: [Auto] [2 DRAM Clock] – [14 DRAM Clock]
DRAM READ to WRITE Delay(DR) [Auto]
Configuration options: [Auto] [2 DRAM Clock] – [14 DRAM Clock]
DRAM READ to WRITE Delay(SR) [Auto]
Configuration options: [Auto] [2 DRAM Clock] – [14 DRAM Clock]
DRAM READ to READ Delay(DD) [Auto]
Configuration options: [Auto] [2 DRAM Clock] – [9 DRAM Clock]
DRAM READ to READ Delay(DR) [Auto]
Configuration options: [Auto] [2 DRAM Clock] – [9 DRAM Clock]
DRAM READ to READ Delay(SR) [Auto]
Configuration options: [Auto] [4 DRAM Clock] [6 DRAM Clock]
DRAM WRITE to WRITE Delay(DD) [Auto]
Configuration options: [Auto] [2 DRAM Clock] – [9 DRAM Clock]
DRAM WRITE to WRITE Delay(DR) [Auto]
Configuration options: [Auto] [2 DRAM Clock] – [9 DRAM Clock]

Chapter 3

DRAM WRITE to WRITE Delay(SR) [Auto]
Configuration options: [Auto] [4 DRAM Clock] [6 DRAM Clock]

3.5.11

CPU Differential Amplitude [Auto]

Different AMP might enhance BCLK overclocking ability.
Configuration options: [Auto] [700mV] [800mV] [900mV] [1000mV]

3.5.12

CPU Clock Skew [Auto]

Adjusting this item may help enhancing BCLK overclocking ability. You may need to adjust
the CPU Clock Skew item at the same time.
Configuration options: [Auto] [Normal] [Delay 100ps]–[Delay 1500ps]
Some of the following items are adjusted by typing the desired values using the numeric keypad
and press the key. You can also use the <+> and <-> keys to adjust the value. To
restore the default setting, type [auto] using the keyboard and press the key.

3-18

Chapter 3: BIOS setup

3.5.13

CPU Voltage Mode [Offset]

Allows you to set the CPU Voltage Mode. Different sub-items appear according to the CPU
Voltage Mode item setting. Configuration options: [Offset] [Manual]

Offset Voltage [Auto]

This item appears only when you set the CPU Voltage Mode item to [Offset] and allows you to
set the Offset voltage. The values range from 0.00625V to 0.50000V with a 0.00625V interval.

Offset Sign [-]

This item appears only when you set the Offset Voltage item to a value other than [Auto].
[+]
To offset the voltage by a positive value.
[–]
To offset the voltage by a negative value.

Fixed Voltage [Auto]

This item appears only when you set the CPU Voltage Mode item to [Manual] and allows you
to set a fixed CPU voltage. The values range from 0.85V to 1.7V with a 0.00625V interval.
Refer to the CPU documentation before setting the CPU Vcore voltage. Setting a high
VCore voltage may damage the CPU permanently, and setting a low VCore voltage may
make the system unstable.

3.5.14

IMC Voltage [Auto]

Allows you to set the CPU Integrated Memory Controller voltage. The values range from 1.1V
to 1.7V with a 0.00625V interval.

3.5.15

DRAM Voltage [Auto]

3.5.16

•

The value [2.5V] of the DRAM Voltage item is supported only if the OV_DRAM switch
is enabled. Otherwise the maximum voltage supported is [2.0V]. This item can be
automatically optimized if you install a XMP DIMM. Refer to 2. DRAM overvoltage
setting switch on page 2-26 for details.

•

According to Intel CPU spec, DIMMs with voltage requirement over 1.65V may
damage the CPU permanently. We recommend you install the DIMMs with the voltage
requirement below 1.65V.

Chapter 3

Allows you to set the DRAM voltage. The values range from 1.50V to 2.5V* with a 0.0125V
interval.

CPU PLL Voltage [Auto]

Allows you to set the CPU PLL voltage. The values range from 1.8V to 2.1V with a 0.1V interval.

ASUS P7P55D PRO

3-19

3.5.17

PCH Voltage [Auto]

Allows you to set the Platform Controller Hub voltage. The values range from 1.05V to 1.15V
with a 0.10V interval.
•

The values of the IMC Voltage, DRAM Voltage, and CPU PLL Voltage items are
labeled in different color, indicating the risk levels of high voltage settings. Refer to the
table below for details.

•

The system may need better cooling system to work stably under high voltage settings.

Blue

Yellow

Purple

Red

IMC Voltage

1.10000V–
1.16875V

1.17500V–
1.22500V

1.23125V–
1.30000V

1.30625V–
1.70000V

DRAM Voltage

1.5000V–
1.5625V

1.5750V–
1.6250V

1.6375V–
1.6875V

1.7000V–
2.0000V

DRAM Voltage (OV
DRAM Enabled)

1.5000V–
1.5625V

1.5750V–
1.6250V

1.6375V–
1.6875V

1.7000V–
2.5000V

CPU PLL Voltage

1.80V–1.90V

2.00V–2.10V

N/A

3.5.18

DRAM DATA REF Voltage on CHA/B [Auto]

Allows you to set the DRAM DATA Reference Voltage on Channel A/B. The values
range from 0.395x to 0.630x with a 0.005x interval. Different ratio might enhance DRAM
overclocking ability.

Chapter 3

3.5.19
[Auto]
[Disabled]
[Enabled]

3.5.20
[Auto]
[Disabled]
[Enabled]

3.5.21
[Auto]
[Disabled]
[Enabled]

3-20

Load-Line Calibration [Auto]
BIOS automatically adjusts the voltage.
Follows the Intel specifications.
Improves the CPU VDroop directly.

CPU Spread Spectrum [Auto]
Automatic configuration.
Enhances the BCLK overclocking ability.
Sets to [Enabled] for EMI control.

PCIE Spread Spectrum [Auto]
Automatic configuration.
Enhances the PCIE overclocking ability.
Sets to [Enabled] for EMI control.

Chapter 3: BIOS setup

3.6

Advanced menu

The Advanced menu items allow you to change the settings for the CPU and other system
devices.
Be cautious when changing the settings of the Advanced menu items. Incorrect field values
can cause the system to malfunction.

Main

Ai Tweaker

BIOS SETUP UTILITY
Advanced
Power
Boot

CPU Configuration
North Bridge Configuration
Onboard Devices Configuration
USB Configuration
PCIPnP

Intel VT-d
T.Probe

Tools

Exit

Configure CPU.

[Disabled]
[Enabled]
←→
↑↓
Enter
F1
F10
ESC

Select Screen
Select Item
Go to Sub Screen
General Help
Save and Exit
Exit

3.6.1

CPU Configuration

The items in this menu show the CPU-related information that the BIOS automatically
detects.

BIOS SETUP UTILITY
Advanced
Configure advanced CPU settings
Module Version:01.04
Manufacturer:Intel
Brand String:Genuine Intel(R) CPU
Frequency
:2.13GHz
BCLK Speed :133MHz
Cache L1
:128 KB
Cache L2
:1024 KB
Cache L3
:8192 KB
Ratio Status:Unlocked (Min:09, Max:16)
Ratio Actual Value:16
CPU Ratio Setting
C1E Support
Hardware Prefetcher
Adjacent Cache Line Prefetch
Max CPUID Value Limit
Intel(R) Virtualization Tech
CPU TM function

[Auto]
[Enabled]
[Enabled]
[Enabled]
[Disabled]
[Enabled]
[Enabled]

Chapter 3

The items shown in this screen may be different due to the CPU you installed.

Sets the ratio between
CPU Core Clock and the
FSB Frequency.
NOTE: If an invalid
ratio is set in CMOS
then actual and
setpoint values may
differ.
NOTE: Please key in
ratio numbers directly
←→
↑↓
F1
F10
ESC

Select Screen
Select Item
General Help
Save and Exit
Exit

Scroll down to display the following items:
Execute-Disable Bit
Intel(R) HT Technology
Active Processor Cores
A20M
Intel(R) SpeedStep(TM) Tech
Intel(R) Turbo Mode tech
Intel(R) C-STATE Tech

[Enabled]
[Enabled]
[All]
[Disabled]
[Enabled]
[Enabled]
[Disabled]

ASUS P7P55D PRO

3-21

CPU Ratio Setting [Auto]

Allows you to set the ratio between the CPU Core Clock and the BCLK Frequency. Use <+>
and <-> keys to adjust the ratio. The valid value ranges vary according to your CPU model.

C1E Support [Enabled]
[Enabled]

[Disabled]

Enables the C1E support function. This item should be enabled in order to
enable the Enhanced Halt Sate.
Disables this function.

Hardware Prefetcher [Enabled]
[Enabled]

[Disabled]

The processor fetches data and instructions from the memory into the
cache that are likely to be required in the near future. This reduces the
latency associated with memory reads.
Disables this function.

Adjacent Cache Line Prefetch [Enabled]
[Enabled]

[Disabled]

The processor fetches the currently requested cache line, as well as the
subsequent cache line. This reduces the cache latency by making the next
cache line immediately available if the processor requires it as well.
The processor fetches only the currently requested cache line.

Max CPUID Value Limit [Disabled]
[Enabled]

[Disabled]

Allows legacy operating systems to boot even without support for CPUs
with extended CPUID functions.
Disables this function.

Chapter 3

Intel(R) Virtualization Tech [Enabled]
[Enabled]

[Disabled]

Allows a hardware platform to run multiple operating systems separately
and simultaneously, enabling one system to virtually function as several
systems.
Disables this function.

CPU TM function [Enabled]
[Enabled]
[Disabled]

Enables the overheated CPU to throttle its clock speed to cool down.
Disables this function.

Execute Disable Bit [Enabled]
[Enabled]
[Disabled]

Enables the No-Execution Page Protection Technology.
Forces the XD feature flag to always return to zero (0).

Intel(R) HT Technology [Enabled]

The Intel Hyper-Threading Technology allows a hyper-threading processor to appear as two
logical processors to the operating system, allowing the operating system to schedule two
threads or processes simultaneously.
[Enabled]
[Disabled]
3-22

Two threads per activated core are enabled.
Only one thread per activated core is enabled.

Chapter 3: BIOS setup

Active Processor Cores [All]

Allows you to choose the number of CPU cores to activate in each processor package.
Configuration options: [All] [1] [2]

A20M [Disabled]
[Enabled]
[Disabled]

Allows Legacy OSes to be compatible with APs.
Disables this function.

Intel(R) SpeedStep(TM) Tech [Enabled]
[Enabled]
[Disabled]

The CPU speed is controlled by the operating system.
The CPU runs at its default speed.

Intel(R) TurboMode Tech [Enabled]
[Enabled]

[Disabled]

Allows processor cores to run faster than marked frequency in specific
condition.
Disables this function.

Intel(R) C-STATE Tech [Disabled]

The Intel® C-State Technology allows the CPU to save more power under idle mode.

[Enabled]

[Disabled]

Enable this item only when you install a C-State Technology-supported
CPU.
Disables this function.

C State package limit setting [Auto]

3.6.2

Chapter 3

This item appears only when you set the Intel(R) C-STATE Tech item to [Enabled]. We
recommend that you set this item to [Auto] for BIOS to automatically detect the C-State mode
supported by your CPU. Configuration options: [Auto] [C1] [C3] [C6]

North Bridge Configuration

The North Bridge Configuration menu allows you to change the advanced chipset settings.
Advanced

BIOS SETUP UTILITY

North Bridge Chipset Configuration
IMC Type : Lynnfield
Memory Remap Feature [Enabled]
PCI MMIO Allocation: 4GB To 3072MB

ENABLE: Allow
remapping of
overlapped PCI memory
above the total
physical memory.
DISABLE: Do not allow
remapping of memory.

Memory Remap Feature [Enabled]
[Disabled]
[Enabled]

Do not allow remapping of memory.
Allows for the segment of system memory that was previously overwritten
by PCI devices to be remapped above the total physical memory.

ASUS P7P55D PRO

3-23

3.6.3

Onboard Devices Configuration
Advanced

BIOS SETUP UTILITY

Onboard Devices Configuration
HDA Controller
Front Panel Type
Realtek
LAN Boot ROM
Onboard 1394 Controller
J-Micron eSATA/PATA Controller
Serial Port1 Address

Options
[Enabled]
[HD Audio]
[Enabled]
[Disabled]
[Enabled]
[IDE Mode]
[3F8/IRQ4]

Enabled
Disabled

HDA Controller [Enabled]
[Enabled]
[Disabled]

Enables the High Definition Audio Controller.
Disables the controller.

The following item appears only when you set the High Definition Audio item to [Enabled].

Front Panel Type [HD Audio]
Allows you to set the front panel audio connector (AAFP) mode to legacy AC’97 or
high-definition audio depending on the audio standard that the front panel audio
module supports.

[AC97]
Sets the front panel audio connector (AAFP) mode to legacy AC’97
[HD Audio] Sets the front panel audio connector (AAFP) mode to high definition audio.

Realtek [Enabled]
[Enabled]
[Disabled]

Enables the Realtek LAN controller.
Disables the controller.

Chapter 3

LAN Boot ROM [Disabled]
This item appears only when you set the previous item to [Enabled].
[Enabled] Enables the Realtek Gigabit LAN Boot ROM.
[Disabled] Disables the LAN Boot ROM.

Onboard 1394 Controller [Enabled]
[Enabled]
[Disabled]

Enables the onboard IEEE 1394a controller.
Disables the controller.

J-Micron eSATA/PATA Controller [IDE Mode]

Allows you to select the JMicron eSATA/PATA controller operating mode.
[Disabled]
Disables the controller.
[IDE Mode]
Set to [IDE Mode] when you want to use the Serial ATA hard disk drives as
Parallel ATA physical storage devices.
[AHCI Mode]
Set to [AHCI Mode] when you want the SATA hard disk drives to use the
AHCI (Advanced Host Controller Interface). The AHCI allows the onboard
storage driver to enable advanced Serial ATA features that increases
storage performance on random workloads by allowing the drive to
internally optimize the order of commands..

3-24

Chapter 3: BIOS setup

Serial Port1 Address [3F8/IRQ4]

Allows you to select the Serial Port1 base address.
Configuration options: [Disabled] [3F8/IRQ4] [2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3]

3.6.4

USB Configuration

The items in this menu allow you to change the USB-related features. Select an item and
press to display the configuration options.
Advanced

BIOS SETUP UTILITY

USB Configuration

Options

Module Version - 2.24.5-13.4
USB Devices Enabled:
2 Hubs
USB Functions
Legacy USB Support
BIOS EHCI Hand-Off

Disabled
Enabled

[Enabled]
[Auto]
[Enabled]

The USB Devices Enabled item shows the auto-detected values. If no USB device is
detected, the item shows None.

USB Functions [Enabled]

Enables the USB Host Controllers.
Disables the controllers.

Chapter 3

[Enabled]
[Disabled]

The following items appear only when you set USB Functions to [Enabled].

Legacy USB Support [Auto]
[Auto]

[Enabled]
[Disabled]

Allows the system to detect the presence of USB devices at startup. If
detected, the USB controller legacy mode is enabled. If no USB device is
detected, the legacy USB support is disabled.
Enables the support for USB devices on legacy operating systems (OS).
Disables the function.

BIOS EHCI Hand-off [Enabled]
[Enabled]

[Disabled]

Enables the support for operating systems without an EHCI hand‑off
feature.
Disables the function.

ASUS P7P55D PRO

3-25

3.6.5

PCIPnP

The PCI PnP menu items allow you to change the advanced settings for PCI/PnP devices.
Advanced

BIOS SETUP UTILITY

Advanced PCI/PnP Settings
WARNING: Setting wrong values in below sections
may cause system to malfunction.
Plug And Play O/S

[No]

Plug And Play O/S [No]
[Yes]
[No]

3.6.6
[Disabled]
[Enabled]

3.6.7
[Disabled]
[Enabled]

When set to [Yes] and if you install a Plug and Play operating system, the
operating system configures the Plug and Play devices not required for
boot.
When set to [No], BIOS configures all the devices in the system.

Intel VT-d [Disabled]
Disables the Intel Virtualization Technology for Directed I/O.
Enables the Intel Virtualization Technology for Directed I/O.

T.Probe [Enabled]
Disables the T.Probe function.
Enables the T.Probe function that detects and equalizes the temperature of
vCore power components.

Chapter 3
3-26

Chapter 3: BIOS setup

3.7

Power menu

The Power menu items allow you to change the settings for the Advanced Power
Management (APM). Select an item then press to display the configuration options.
Main

Ai Tweaker

BIOS SETUP UTILITY
Advanced
Power
Boot

Suspend Mode
Repost Video on S3 Resume
ACPI 2.0 Support
ACPI APIC Support
EuP Ready

[Auto]
[No]
[Disabled]
[Enabled]
[Disabled]

Tools

Exit

Select the ACPI state
used for System
Suspend.

APM Configuration
Hardware Monitor
←→
↑↓
Enter
F1
F10
ESC

Select Screen
Select Item
Go to Sub Screen
General Help
Save and Exit
Exit

3.7.1

Suspend Mode [Auto]

Allows you to select the Advanced Configuration and Power Interface (ACPI) state to be used
for system suspend.
[Auto] The system automatically configures the ACPI suspend mode.
[S1 (POS) only] Sets the ACPI suspend mode to S1/POS (Power On Suspend).
[S3 only]
Sets the ACPI suspend mode to S3/STR (Suspend To RAM).

3.7.2

Repost Video on S3 Resume [No]

[No]
[Yes]

3.7.3
[Disabled]
[Enabled]

3.7.4
[Disabled]
[Enabled]

3.7.5
[Disabled]
[Enabled]

Chapter 3

Determines whether to invoke VGA BIOS POST on S3/STR resume.
The system will not invoke VGA BIOS POST on S3/STR resume.
The system invokes VGA BIOS POST on S3/STR resume.

ACPI 2.0 Support [Disabled]
The system will not add additional tables as per ACPI 2.0 specifications.
The system adds additional tables as per ACPI 2.0 specifications.

ACPI APIC Support [Enabled]
The system disables the Advanced Configuration and Power Interface
(ACPI) support in the Advanced Programmable Interrupt Controller (APIC).
The ACPI APIC table pointer is included in the RSDT pointer list.

EuP Ready [Disabled]
Disables the Energy Using Products (EuP) Ready function.
Allows BIOS to switch off some power at S5 state to get system ready for
the EuP requirement. When set to [Enabled], power for WOL, WO_USB,
audio and onboard LEDs will be switched off at S5 state.

ASUS P7P55D PRO

3-27

3.7.6

APM Configuration
BIOS SETUP UTILITY
Power

APM Configuration
Restore on AC Power Loss
Power On By RTC Alarm
Power On By External Modems
Power On By PCI Devices
Power On By PCIE Devices
Power On By PS/2 Keyboard
Power On By PS/2 Mouse

[Power Off]
[Disabled]
[Disabled]
[Disabled]
[Disabled]
[Disabled]
[Disabled]

Options
Power Off
Power On
Last State

Restore On AC Power Loss [Power Off]
[Power On]
[Power Off]
[Last State]

The system goes into on state after an AC power loss.
The system goes into off state after an AC power loss.
The system goes into either off or on state, whatever the system state was
before the AC power loss.

Power On By RTC Alarm [Disabled]
[Disabled]
[Enabled]

Disables RTC to generate a wake event.
When set to [Enabled], the items RTC Alarm Date (Days) and System
Time will become user-configurable with set values.

Power On By External Modems [Disabled]

[Disabled] Disables to power up the computer when the external modem receives a
call while the computer is in Soft-off mode.
[Enabled] The computer could be powered up when the external modem receives a
call while the computer is in Soft-off mode.

Chapter 3

The computer cannot receive or transmit data until the computer and applications are fully
running. Thus, connection cannot be made on the first try. Turning an external modem
off and then back on while the computer is off causes an initialization string that turns the
system power on.

Power On By PCI Devices [Disabled]
[Disabled]
[Enabled]

Disables the PME to wake up from S5 by PCI devices.
Allows you to turn on the system through a PCI LAN or modem card. This
feature requires an ATX power supply that provides at least 1A on the
+5VSB lead.

Power On By PCIE Devices [Disabled]

[Disabled] Disables the PCIE devices to generate a wake event.
[Enabled] Enables the PCIE devices to generate a wake event.

Power On By PS/2 Keyboard [Disabled]
[Disabled]
[Enabled]

Disables the Power On by a PS/2 keyboard.
Sets specific keys on the PS/2 keyboard to turn on the system. This feature
requires an ATX power supply that provides at least 1A on the +5VSB lead.

Power On By PS/2 Mouse [Disabled]
[Disabled]
[Enabled]
3-28

Disables the Power On by a PS/2 mouse.
Enables the Power On by a PS/2 mouse. This feature requires an ATX
power supply that provides at least 1A on the +5VSB lead.
Chapter 3: BIOS setup

3.7.7

Hardware Monitor
BIOS SETUP UTILITY
Power

Hardware Monitor

CPU Temperature (PECI)

CPU Temperature
MB Temperature

[35ºC/95ºF]
[34ºC/93ºF]

CPU Fan Speed
CPU Q-Fan Control

[3590RPM]
[Disabled]

Chassis Fan 1 Speed
Chassis Fan 2 Speed
Chassis Q-Fan Control

[N/A]
[N/A]
[Disabled]

Power Fan Speed

[N/A]

CPU
3.3V
5V
12V

[ 1.040V]
[ 3.008V]
[ 4.776V]
[11.648V]

Voltage
Voltage
Voltage
Voltage

←→
↑↓
Enter
F1
F10
ESC

Select Screen
Select Item
Go to Sub Screen
General Help
Save and Exit
Exit

CPU/MB Temperature [xxxºC/xxxºF]

The onboard hardware monitor automatically detects and displays the CPU and motherboard
temperatures. Select Ignored if you do not wish to display the detected temperatures.

CPU Fan Speed [xxxxRPM] or [Ignored] / [N/A]
Chassis Fan 1/2 Speed [xxxxRPM] or [Ignored] / [N/A]
Power Fan Speed [xxxxRPM] or [Ignored] / [N/A]

Chapter 3

The onboard hardware monitor automatically detects and displays the CPU, chassis,
and power fan speed in rotations per minute (RPM). If the fan is not connected to the
motherboard, the field shows N/A. Select Ignored if you do not wish to display the detected
speed.

CPU Q-Fan Control [Disabled]
[Disabled]
[Enabled]

Disables the CPU Q-Fan control feature.
Enables the CPU Q-Fan control feature.

CPU Fan Profile [Standard]

This item appears only when you enable the CPU Q-Fan Control feature and allows
you to set the appropriate performance level of the CPU fan.
[Standard] Sets to [Standard] to make the CPU fan automatically adjust depending on
the CPU temperature.
[Silent] Sets to [Silent] to minimize the fan speed for quiet CPU fan operation.
[Turbo]
Sets to [Turbo] to achieve maximum CPU fan speed.

Chassis Q-Fan Control [Disabled]
[Disabled]
[Enabled]

Disables the Chassis Q-Fan control feature.
Enables the Chassis Q-Fan control feature.

ASUS P7P55D PRO

3-29

Chassis Fan Profile [Standard]

This item appears only when you enable the Chassis Q-Fan Control feature and
allows you to set the appropriate performance level of the chassis fan.

[Standard] Sets to [Standard] to make the chassis fan automatically adjust depending
on the chassis temperature.
[Silent] Sets to [Silent] to minimize the fan speed for quiet chassis fan operation.
[Turbo]
Sets to [Turbo] to achieve maximum chassis fan speed.

CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage

The onboard hardware monitor automatically detects the voltage output through the onboard
voltage regulators. Select Ignored if you do not want to detect this item.

3.8

Boot menu

The Boot menu items allow you to change the system boot options. Select an item then press
to display the submenu.
Main

Ai Tweaker

BIOS SETUP UTILITY
Advanced
Power
Boot

Tools

Exit

Specifies the Boot Device
Boot Priority sequence.

Boot Settings
Boot Device Priority

A virtual floppy disk
drive (Floppy Drive B:
) may appear when you
set the CD-ROM drive
as the first boot
device.

Boot Settings Configuration
Security

Chapter 3

←→
↑↓
Enter
F1
F10
ESC

Select Screen
Select Item
Go to Sub Screen
General Help
Save and Exit
Exit

3.8.1

Boot Device Priority
BIOS SETUP UTILITY
Boot

Boot Device Priority
1st Boot Device
2nd Boot Device
3rd Boot Device

[Removable Dev.]
[Hard Drive]
[ATAPI CD-ROM]

1st – xxth Boot Device [Removable Dev.]

These items specify the boot device priority sequence from the available devices. The
number of device items that appears on the screen depends on the number of devices
installed in the system.
Configuration options: [Removable Dev.] [Hard Drive] [ATAPI CD-ROM] [Disabled]
•

•

3-30

To select the boot device during system startup, press when ASUS Logo appears.
To access Windows OS in Safe Mode, do any of the following:
- Press when ASUS Logo appears.
- Press after POST.

Chapter 3: BIOS setup

3.8.2

Boot Settings Configuration
BIOS SETUP UTILITY
Boot

Boot Settings Configuration
Quick Boot
Full Screen Logo
AddOn ROM Display Mode
Bootup Num-Lock
Wait For ‘F1’ If Error
Hit ‘DEL’ Message Display
POST State LEDs

[Enabled]
[Enabled]
[Force BIOS]
[On]
[Enabled]
[Enabled]
[Enabled]

Allows BIOS to skip
certain tests while
booting. This will
decrease the time
needed to boot the
system.

Quick Boot [Enabled]

[Disabled]
When set to [Disabled], BIOS performs all the POST items.
[Enabled] When set to [Enabled], BIOS skips some power on self tests (POST) while
booting to decrease the time needed to boot the system.

Full Screen Logo [Enabled]
[Enabled]
[Disabled]

Enables the full screen logo display feature.
Disables the full screen logo display feature.

Set this item to [Enabled] to use the ASUS MyLogo 2™ feature.

AddOn ROM Display Mode [Force BIOS]
[Force BIOS]

The third-party ROM messages will be forced to display during the boot
sequence.
[Keep Current] The third-party ROM messages will be displayed only if the third-party
manufacturer had set the add-on device to do so.
[Off]
[On]

Chapter 3

Bootup Num-Lock [On]

Sets the power-on state of the NumLock to [Off].
Sets the power-on state of the NumLock to [On].

Wait For ‘F1’ If Error [Enabled]
[Disabled]
[Enabled]

Disables this function.
The system waits for the key to be pressed when error occurs.

Hit ‘DEL’ Message Display [Enabled]
[Disabled]
[Enabled]

Disables this function.
The system displays the message “Press DEL to run Setup” during POST.

POST State LEDs [Enabled]
[Enabled]
[Disabled]

Turn on onboard device LEDs in the order of the device POST sequence.
Disables this function.

ASUS P7P55D PRO

3-31

3.8.3

Security

The Security menu items allow you to change the system security settings. Select an item
and press to display the configuration options.
BIOS SETUP UTILITY
Boot
Security Settings
Supervisor Password
User Password

: Not Installed
: Not Installed

to change
password.
again to
disable password.

Change Supervisor Password
Change User Passward

Change Supervisor Password

Select this item to set or change the supervisor password. The Supervisor Password item
on top of the screen shows the default Not Installed. After you set a password, this item
shows Installed.
To set a Supervisor Password:
1.

Select the Change Supervisor Password item and press .

From the password box, key in a password composed of at least six letters and/or
numbers, then press .
Confirm the password when prompted.

The message Password Installed appears after you successfully set your password.
To change the supervisor password, follow the same steps as in setting a user password.
To clear the supervisor password, select the Change Supervisor Password then press
. The message Password Uninstalled appears.

Chapter 3

If you have forgotten your BIOS password, you can clear clear it by erasing the CMOS Real
Time Clock (RTC) RAM. See section 2.6 Jumpers for information on how to erase the RTC
RAM.

After you have set a supervisor password, the other items appear to allow you to change
other security settings.
BIOS SETUP UTILITY
Boot
Security Settings
Supervisor Password
User Password

: Installed
: Installed

Change Supervisor Password
User Access Level
Change User Password
Clear User Password
Password Check

to change
password.
again to
disabled password.

[Full Access]
[Setup]

User Access Level [Full Access]

This item allows you to select the access restriction to the Setup items.
[No Access]
[View Only]
[Limited]
[Full Access]
3-32

Prevents user access to the Setup utility.
Allows access but does not allow change to any field.
Allows changes only to selected fields, such as Date and Time.
Allows viewing and changing all the fields in the Setup utility.
Chapter 3: BIOS setup

Change User Password

Select this item to set or change the user password. The User Password item on top of the
screen shows the default Not Installed. After you set a password, this item shows Installed.
To set a User Password:
1.

Select the Change User Password item and press .

On the password box that appears, type a password composed of at least six letters
and/or numbers, then press .
Confirm the password when prompted.

The message Password Installed appears after you set your password successfully.
To change the user password, follow the same steps as in setting a user password.

Clear User Password

Select this item to clear the user password.

Password Check [Setup]

BIOS checks for user password when accessing the Setup utility.
BIOS checks for user password both when accessing Setup and booting
the system.

Chapter 3

[Setup]
[Always]

ASUS P7P55D PRO

3-33

3.9

Tools menu

The Tools menu items allow you to configure options for special functions. Select an item
then press to display the submenu.
Main

BIOS SETUP UTILITY
Advanced
Power
Boot

Ai Tweaker

Tools

Exit

ASUS O.C. Profile
AI NET 2
ASUS EZ Flash 2
Express Gate
Enter OS Timer
Reset User Data

[Auto]
[10 Seconds]
[No]

←→
↑↓
Enter
F1
F10
ESC

Select Screen
Select Item
Go to Sub Screen
General Help
Save and Exit
Exit

3.9.1

ASUS O.C. Profile

This item allows you to store or load multiple BIOS settings.
BIOS SETUP UTILITY
O.C. PROFILE Configuration

Chapter 3

O.C.
O.C.
O.C.
O.C.
O.C.
O.C.
O.C.
O.C.

Profile
Profile
Profile
Profile
Profile
Profile
Profile
Profile

1
2
3
4
5
6
7
8

Status
Status
Status
Status
Status
Status
Status
Status

:
:
:
:
:
:
:
:

Not
Not
Not
Not
Not
Not
Not
Not

Installed
Installed
Installed
Installed
Installed
Installed
Installed
Installed

Tools
Typing your profile
name, [0-9][a-z][A-Z]
are acceptable.

Status:
Add Your CMOS Profile.
Name:
Save To:
Load CMOS Profiles.
Load From:

[Default-Profile]
[Uninstalled]
[Blank]

←→
↑↓
F1
F10
ESC

Select Screen
Select Item
General Help
Save and Exit
Exit

Add Your CMOS Profile

Allows you to save the current BIOS file to the BIOS Flash. In the Name sub-item, key in
your profile name and press , and then choose a profile number to save your CMOS
settings in the Save to sub-item.

Load CMOS Profiles.

Allows you to load the previous BIOS settings saved in the BIOS Flash. Press to
load the file.

Start O.C. Profile

Allows you to run the utility to save and load CMOS. Press to run the utility.
3-34

Chapter 3: BIOS setup

ASUSTek O.C. Profile Utility V1.38
Current CMOS
BOARD: P7P55D PRO
VER: 0105
DATE: 07/08/2009

Restore CMOS
BOARD: Unknown
VER: Unknown
DATE: Unknown

PATH: A:\
A:

Note

[Enter] Select or Load
[Up/Down/Home/End] Move

•
•
•
•

[V] Drive Info
[Esc] Exit

This function can support devices such as a USB flash disk with FAT 32/16 format and
single partition only.
DO NOT shut down or reset the system while updating the BIOS to prevent the
system boot failure!

We recommend that you update the BIOS file only coming from the same memory/CPU
configuration and BIOS version.
Only the CMO file can be loaded.

AI NET 2
BIOS SETUP UTILITY

AI NET 2
Pair Status

Chapter 3

3.9.2

[Tab] Switch
[B] Backup

Tools

Length

Check Realtek LAN cable

[Disabled]

Check Realtek LAN cable [Disabled]
[Disabled]
[Enabled]

BIOS will not check the Realtek LAN cable during the Power-On Self-Test
(POST).
BIOS checks the Realtek LAN cable during the Power-On Self-Test (POST).

ASUS P7P55D PRO

3-35

3.9.3

ASUS EZ Flash 2

Allows you to run ASUS EZ Flash 2. When you press , a confirmation message
appears. Use the left/right arrow key to select between [Yes] or [No], then press to
confirm your choice.
For more details, refer to section 3.2.2 ASUS EZ Flash 2 utility.

3.9.4

Express Gate [Auto]

Allows you to enable or disable the ASUS Express Gate feature. The ASUS Express Gate
feature is a unique instant-on environment that provides quick access to the Internet browser
and Skype. Configuration options: [Enabled] [Disabled] [Auto]

Enter OS Timer [10 Seconds]

Sets countdown duration that the system waits at the Express Gate’s first screen before
starting Windows or other installed OS. Choose [Prompt User] to stay at the first screen of
Express Gate for user action.
Configuration options: [Prompt User] [1 second] [3 seconds] [5 seconds] [10 seconds]
[15 seconds] [20 seconds] [30 seconds]

Reset User Data [No]

Allows you to clear Express Gate’s user data.

Chapter 3

[Reset] When setting this item to [Reset], ensure that you save the setting to the
BIOS so that the user data will be cleared the next time you enter the
Express Gate. User data includes the Express Gate’s settings as well as
any personal information stored by the web browser such as bookmarks,
cookies, browsing history. This is useful in the rare case where corrupt
settings prevent the Express Gate environment from launching properly.
[No] Sets to [No] to disable the Reset User Data function when entering the
Express Gate.
The first time wizard will run again when you enter the Express Gate environment after
clearing its settings.

3-36

Chapter 3: BIOS setup

3.10 Exit menu
The Exit menu items allow you to load the optimal or failsafe default values for the BIOS
items, and save or discard your changes to the BIOS items.
Main

Ai Tweaker

Exit Options
Exit & Save Changes
Exit & Discard Changes
Discard Changes
Load Setup Defaults

BIOS SETUP UTILITY
Advanced
Power
Boot

Tools

Exit

Exit system setup
after saving the
changes.
F10 key can be used
for this operation.

←→
↑↓
Enter
F1
F10
ESC

Select Screen
Select Item
Go to Sub Screen
General Help
Save and Exit
Exit

Pressing does not immediately exit this menu. Select one of the options from this
menu or from the legend bar to exit.

Exit & Save Changes

Once you are finished making your selections, choose this option from the Exit menu to
ensure the values you selected are saved to the CMOS RAM. An onboard backup battery
sustains the CMOS RAM so it stays on even when the PC is turned off. When you select this
option, a confirmation window appears. Select Ok to save changes and exit.

Chapter 3

If you attempt to exit the Setup program without saving your changes, the program prompts
you with a message asking if you want to save your changes before exiting. Press
to save the changes while exiting.

Exit & Discard Changes

Select this option only if you do not want to save the changes that you made to the
Setup program. If you made changes to fields other than System Date, System Time, and
Password, the BIOS asks for a confirmation before exiting.

Discard Changes

This option allows you to discard the selections you made and restore the previously saved
values. After selecting this option, a confirmation appears. Select Ok to discard any changes
and load the previously saved values.

Load Setup Defaults

This option allows you to load the default values for each of the parameters on the Setup
menus. When you select this option or if you press , a confirmation window appears.
Select Ok to load default values. Select Exit & Save Changes or make other changes before
saving the values to the non-volatile RAM.

ASUS P7P55D PRO

3-37

Chapter 3
3-38

Chapter 3: BIOS setup

Chapter 4
Chapter 4:

4.1

Software support

Installing an operating system

This motherboard supports Windows® XP/ 64-bit XP/ Vista / 64-bit Vista / 7 / 64-bit 7
operating systems (OS). Always install the latest OS version and corresponding updates to
maximize the features of your hardware.

4.2

•

Motherboard settings and hardware options vary. Use the setup procedures presented
in this chapter for reference only. Refer to your OS documentation for detailed
information.

•

Ensure that you install the Windows® XP Service Pack 2 or later versions before
installing the drivers for better compatibility and system stability.

Support DVD information

The support DVD that comes with the motherboard package contains the drivers, software
applications, and utilities that you can install to avail all motherboard features.
The contents of the support DVD are subject to change at any time without notice. Visit the
ASUS website at www.asus.com for updates.

4.2.1

Running the support DVD

Place the support DVD into the optical drive. The DVD automatically displays the Drivers menu if
Autorun is enabled in your computer. Click each menu tab and select the items you want to install.
The Drivers menu shows the available
device drivers if the system detects
installed devices. Install the necessary
drivers to use the devices.

The Make Disk menu
contains items to
create the RAID/AHCI
driver disk.

The Manual menu contains
the list of supplementary user
manuals. Click an item to open
the folder of the user manual.
Click the Contact
tab to display the
ASUS contact
information.

The Utilities
menu shows the
applications and
other software that
the motherboard
supports.

Click an icon
to display DVD/
motherboard
information

Chapter 4

Click an item
to install

If Autorun is NOT enabled in your computer, browse the contents of the support DVD to
locate the file ASSETUP.EXE from the BIN folder. Double-click the ASSETUP.EXE to run
the DVD.

ASUS P7P55D PRO

4-1

4.2.2

Obtaining the software manuals

The software manuals are included in the support DVD. Follow the instructions below to get
the necessary software manuals.
The software manual files are in Portable Document Format (PDF). Install the Adobe®
Acrobat® Reader from the Utilities menu before opening the files.

Click the Manual tab. Click ASUS
Motherboard Utility Guide from
the manual list on the left.

The Manual folder of the support
DVD appears. Double-click the
folder of your selected software.

Some software manuals are
provided in different languages.
Double-click the language to
show the software manual.

Chapter 4

The screenshots in this section are for reference only. The actual software manuals
containing in the support DVD vary by models.

4-2

Chapter 4: Software support

4.3

Software information

Most of the applications in the support DVD have wizards that will conveniently guide you
through the installation. View the online help or readme file that came with the software
application for more information.

4.3.1

ASUS PC Probe II

PC Probe II is a utility that monitors the computer’s vital components, and detects and
alerts you of any problem with these components. PC Probe II senses fan rotations, CPU
temperature, and system voltages, among others. Because PC Probe II is software-based,
you can start monitoring your computer the moment you turn it on. With this utility, you are
assured that your computer is always at a healthy operating condition.

Launching PC Probe II
1.
2.
3.

Install PC Probe II from the motherboard support DVD.

Launch PC Probe II by clicking Start > All Programs > ASUS > PC Probe II > PC
Probe II v1.xx.xx. The PC Probe II main window appears.

The PC Probe II icon appears in the Windows® notification area. Click this icon to close
or restore the application.

PC Probe II main window

Button

Function
Opens the Configuration window
Opens the Report window
Opens the Desktop Management Interface window
Opens the Peripheral Component Interconnect window
Opens the Windows Management Instrumentation window

Chapter 4

Opens the hard disk drive, memory, CPU usage window
Shows/Hides the Preference section
Minimizes the application
Closes the application
Refer to the software manual in the support DVD or visit the ASUS website at
www.asus.com for detailed software configuration.

ASUS P7P55D PRO

4-3

4.3.2

ASUS AI Suite

ASUS AI Suite allows you to launch several ASUS utilities easily.

Launching AI Suite
1.

Install AI Suite from the motherboard support DVD.

Launch AI Suite by clicking Start > All Programs > ASUS > AI Suite > AI Suite v1.xx.
xx. The AI Suite main window appears.

The AI Suite icon
appears in the Windows® notification area. If you minimize the
application main window, click this icon to restore the window.

Using AI Suite

Click each utility button to launch the utility, or click the Normal button to restore system
default settings.

Click to open the monitor window that displays
system information such as CPU temperature,
CPU voltage, fan speed, and CPU/FSB frequency

Click to restore
default settings

Click to launch
each utility

Chapter 4
4-4

•

The screenshots in this section are for reference only. The actual utility buttons vary
by models.

•

Refer to the software manual in the support DVD or visit the ASUS website at
www.asus.com for detailed software configuration.

Chapter 4: Software support

4.3.3

ASUS Fan Xpert

Asus Fan Xpert allows you to adjust both the CPU and chassis fan speeds according to
different ambient temperatures and your PC’s system loading. The various fan profiles offer
flexible controls of fan speeds to achieve a quiet and cool system environment.

Launching Fan Xpert

After installing AI Suite from the motherboard support DVD, launch Fan Xpert by doubleclicking the AI Suite tray icon and then clicking the Fan Xpert button
on the AI Suite
main window.

Using Fan Xpert
Click to open the
Calibration window

Click to select a fan

Click to select a
fan profile

Click to apply
the settings

Click to display
the current CPU
temperature and the fan
speed ratio

Click to cancel
the settings

Fan profiles
•

Disable: disables the Fan Xpert function.

•

Silent: minimizes fan speed for quiet fan operation.

•

•
•

Standard: adjusts fan speed in a moderate pattern.

Chapter 4

•

Turbo: maximizes the fan speed for the best cooling effect.

Intelligent: automatically adjusts the CPU fan speed according to the ambient
temperature.

Stable: fixes the CPU fan speed to avoid noise caused by the unsteady fan rotation. The
fan will speed up when the temperature exceeds 70ºC.
User: Allows you to configure the CPU fan profile under certain limitations.

ASUS P7P55D PRO

4-5

4.3.4

ASUS EPU

ASUS EPU is an energy-efficient tool that provides you with a total system power-saving
solution. It detects the current computer loading and intelligently adjusts the power in
real-time. With auto phase switching for components, the EPU automatically provides the
most appropriate power usage via intelligent acceleration and overclocking.
ASUS EPU provides you with these modes to choose from:
•

Turbo Mode

•

Medium Power Saving Mode

•

High Performance Mode

•

Max. Power Saving Mode

When you select Auto Mode
, the system shifts modes automatically according to the
current system status. You can also configure advanced settings for each mode.

Launching EPU

After installing EPU from the motherboard support
DVD, double-click the EPU tray icon to launch the
program.
The first time you launch EPU, the
following message will appear, asking
you to run Calibration first. Running
calibration allows the system to detect
CPU properties to optimize power
management.
Click Run Calibration and wait for a few seconds. Then, the EPU main menu appears.

EPU main menu

Chapter 4
Refer to the software manual in the support DVD or visit the ASUS website
at www.asus.com for detailed software configuration.

4-6

Chapter 4: Software support

4.3.5

ASUS Express Gate

ASUS Express Gate is an instant-on environment that gives you quick access to the Internet,
Skype, and viewing your pictures. Within a few seconds of powering on your computer, you
will be at the Express Gate menu where you can start the web browser, Skype, or other
Express Gate applications.

Notices about ASUS Express Gate
•

Ensure to install ASUS Express Gate from the motherboard support DVD before use.

•

ASUS Express Gate supports SATA devices in IDE mode only. See chapter 3 for BIOS
setup details.

•

ASUS Express Gate supports SATA devices connected to motherboard
chipset-controlled onboard SATA ports only. All onboard extended SATA ports
and external SATA ports are NOT supported. See chapter 2 for the exact location of
onboard SATA ports.

•

ASUS Express Gate supports file uploading from ODD and USB drives and
downloading to USB drives only.

•

ASUS Express Gate supports installation on SATA HDDs, USB HDDs and Flash drives
with at least 1.2GB of available disk space. When installed on USB HDDs and Flash
drives, connect the drives to the motherboard USB port before turning on the computer.

•

Your monitor must support the screen resolution of 1024 x 768, or ASUS Express
Gate will be skipped during the booting process, and the existing OS will be launched
directly.

•

Installation of at least 1GB system memory is recommended for better performance.

The First Screen

Express Gate’s first screen appears within a few seconds after you power on the computer.

Click any of the application
icons to enter Express Gate
environment and launch the
selected application
Turn off the computer

•

To enter the motherboard BIOS setup program, click Exit on the Express Gate First
Screen, and then press the key during POST.

•

See the software manual in the bundled motherboard support DVD or click
Express Gate environment for detailed software instructions.

•

Express Gate complies with the OpenGL standard. Refer to http://support.asus.com
for Express Gate source codes.

ASUS P7P55D PRO

Chapter 4

Continue booting to existing OS when the timer above the Exit icon counts
down to zero (0); click to immediately enter existing OS

in the

4-7

4.3.6

VIA® High Definition Audio utility

The VIA® High Definition Audio CODEC provides 8-channel audio capability to deliver the
ultimate audio experience on your computer. The software provides Jack-Detection,
Multi-Streaming, Front Panel Jack-Retasking and S/PDIF Out support.
Follow the installation wizard to install the VIA® Audio Driver from the support CD/DVD that
came with the motherboard package.
If the VIA audio software is correctly installed, you will find the
VIA HD Audio Deck icon on the Windows® notification area.
Click on the icon to display the VIA HD Audio Deck.

VIA HD Audio Deck

VIA HD Audio Deck for Windows® Vista™ / Windows® 7™
Device volume control

Minimize button
Exit button

Analog
and digital
connector
status

Default Device
button

Expert Mode
Software
information
Advanced Options

VIA HD Audio Deck for Windows XP

Display panel and
volume control
Minimize button

Configuration
options

Chapter 4

Control settings
window

Refer to the software manual in the support DVD or visit the ASUS website at
www.asus.com for detailed software configuration.

4-8

Chapter 4: Software support

4.3.7

ASUS T.Probe

The onboard T.Probe microchip detects and balances power phase loading and temperature
in real-time. This feature optimizes the power phase functions, allowing components to run at
lower temperatures and extending their lifespan. You can monitor the power phase loading
and temperature in the Windows® environment with the bundled T.Probe application

Installing ASUS T.Probe

To install ASUS T.Probe on your computer
1.
2.

Place the support DVD to the optical drive. The Drivers installation tab appears if your
computer has an enabled Autorun feature.
Click the Utilities tab, and then click ASUS T.Probe.

Follow the screen instructions to complete installation.

Before using ASUS T.Probe

You have to configure BIOS settings before using ASUS T.Probe.
1.

Press during the Power-On Self Test (POST) to enter the Setup utility.

Save BIOS settings and restart the computer.

Set the T.Probe item in the Advanced menu to [Enabled]

Refer to Chapter 3 of the motherboard user manual for detailed instructions of BIOS
settings

Using ASUS T.Probe

Click the T.Probe icon in the Windows® notification area to
launch the T.Probe application.

With T.Probe enabled, select “Power Saving Mode” on
the top-right corner to switch to four phase mode. The
temperature of the power phase gradually levels to the
center AVG (average) area.

Chapter 4

With T.Probe enabled, the temperature of the power
phase gradually levels to the center AVG (average)
area.

The number of the phase bars varies depending on motherboard model.

ASUS P7P55D PRO

4-9

4.4

ASUS Unique Overclocking Utility—
TurboV EVO

ASUS TurboV EVO introduces TurboV and Turbo Key—two powerful tools that allow you to
overclock your system effectively. Install ASUS TurboV EVO from the support DVD that came
with the motherboard package.
If the TurboV EVO is correctly installed, you will find the TurboV EVO icon
on the Windows® notification area. Click on the icon to display the TurboV
EVO control panel.
Refer to the software manual in the support DVD or visit the ASUS website at
www.asus.com for detailed software configuration.

4.4.1

Using ASUS TurboV

ASUS TurboV allow you to overclock the BCLK frequency, CPU voltage, IMC voltage, and
DRAM Bus voltage in Windows® environment and takes effect in real-time without exiting and
rebooting the OS.
Refer to the CPU documentation before adjusting CPU voltage settings. Setting a high
voltage may damage the CPU permanently, and setting a low voltage may make the
system unstable.
For system stability, all changes made in ASUS TurboV (except for Auto Tuning) will not
be saved to BIOS settings and will not be kept on the next system boot. Use the Save
Profile function to save your customized overclocking settings and manually load the
profile after Windows starts.
Easy Mode Auto Tuning Mode

Save the
current
settings as a
new profile

Manual Mode
Load profile
Target values

Voltage
Adjustment
bars

Start-up values

Advanced
CPU, chipset
and DRAM
voltage
settings

Chapter 4

Click to show / hide
more settings

4-10

Click to restore all
start-up settings

Undoes all changes without applying
Applies all changes immediately

•

Set the CPU Ratio Setting item in BIOS to [Auto] before using the CPU Ratio function
in TurboV. See Chapter 3 for details.

•

For advanced overclock ability, adjust first the BIOS items, and then proceed more
detailed adjustments using TurboV.

Chapter 4: Software support

4.4.2

Using ASUS TurboV Auto Tuning Mode

Click the Auto Tuning tab and then click
Start. You can also click More Setting first
to configure more overclocking parameters
before starting auto-overclocking.

Read through the warning messages and
click Yes to start auto-overclocking.

An animation appears indicating the
overclocking process. Click Stop if you
want to cancel the current Overclocking
process.

•

After pressing Start, the system starts performance tuning and may reboot 2 to 3
times. Please do not operate or manually restart the computer during the tuning
process.

•

After restarting OS, a message appears indicating the current overclocking result.
You can click Stop to save the current overclocking setting, or wait for TurboV EVO to
continue system tuning for higher system performance.

•

The auto-tuned system performance varies on the installed device (ex., CPU and
DRAM).

•

The auto-tuning function overclocks your system settings. Installation of advanced
cooling systems is recommended.

•

The auto-tuned settings will be stored in system BIOS and will be applied in the next
boot.

ASUS P7P55D PRO

Chapter 4

The Auto Tuning Mode allows smart auto-overclocking. Follow the instructions below to let
TurboV EVO detect and overclock your system.

4-11

4.4.3

Using ASUS Turbo Key

ASUS Turbo Key allows the user to set a group of hot-keys into physical overclocking
buttons. After the easy setup, Turbo Key can boost performances without interrupting ongoing
work or games—with just one touch!
If the TurboV EVO is correctly installed, you will find the TurboV EVO icon
on the Windows® notification area. Click on the icon to display the TurboV
EVO control panel. Click the Turbo Key tab to switch to the Turbo Key
interface.

Configuring ASUS Turbo Key

1
2
3
4
1.

2.
3.
4.

Select your desired hotkey combination.

You can decide the performance boost level by selecting Turbo Key Profile. You can
also load personal profiles saved in the ASUS TurboV utility.
Choose whether to show Turbo Key OSD and status.
Click Apply to save Turbo Key settings.

You have to press the assigned hotkeys to use the Turbo Key function.

Chapter 4
4-12

Chapter 4: Software support

4.5

RAID configurations

The motherboard comes with the Intel® P55 chipset that allows you to configure Serial ATA
hard disk drives as RAID sets. The motherboard supports the following RAID configurations:
RAID 0, RAID 1, RAID 10 and RAID 5.

4.5.1

•

You must install Windows® XP Service Pack 2 or later versions before using Serial
ATA hard disk drives. The Serial ATA RAID feature is available only if you are using
Windows® XP SP2 or later versions.

•

Due to Windows® XP / Vista limitation, a RAID array with the total capacity over 2TB
cannot be set as a boot disk. A RAID array over 2TB can only be set as a data disk
only.

•

If you want to install a Windows® operating system to a hard disk drive included in a
RAID set, you have to create a RAID driver disk and load the RAID driver during OS
installation. Refer to section 4.6 Creating a RAID driver disk for details.

RAID definitions

RAID 0 (Data striping) optimizes two identical hard disk drives to read and write data in
parallel, interleaved stacks. Two hard disks perform the same work as a single drive but at a
sustained data transfer rate, double that of a single disk alone, thus improving data access
and storage. Use of two new identical hard disk drives is required for this setup.
RAID 1 (Data mirroring) copies and maintains an identical image of data from one drive to
a second drive. If one drive fails, the disk array management software directs all applications
to the surviving drive as it contains a complete copy of the data in the other drive. This RAID
configuration provides data protection and increases fault tolerance to the entire system. Use
two new drives or use an existing drive and a new drive for this setup. The new drive must be
of the same size or larger than the existing drive.
RAID 5 stripes both data and parity information across three or more hard disk drives. Among
the advantages of RAID 5 configuration include better HDD performance, fault tolerance, and
higher storage capacity. The RAID 5 configuration is best suited for transaction processing,
relational database applications, enterprise resource planning, and other business systems.
Use a minimum of three identical hard disk drives for this setup.
RAID 10 is data striping and data mirroring combined without parity (redundancy data) having
to be calculated and written. With the RAID 10 configuration you get all the benefits of both
RAID 0 and RAID 1 configurations. Use four new hard disk drives or use an existing drive
and three new drives for this setup.

ASUS P7P55D PRO

Chapter 4

Intel® Matrix Storage. The Intel® Matrix Storage technology supported by the ICH10R chip
allows you to create a RAID 0, RAID 1, RAID 5, and RAID 10 functions to improve both
system performance and data safety. You can also combine two RAID sets to get higher
performance, capacity, or fault tolerance provided by the difference RAID function. For
example, RAID 0 and RAID 1 set can be created by using only two identical hard disk drives.

4-13

4.5.2

Installing Serial ATA hard disks

The motherboard supports Serial ATA hard disk drives. For optimal performance, install
identical drives of the same model and capacity when creating a disk array.
To install the SATA hard disks for a RAID configuration:
1.

Install the SATA hard disks into the drive bays.

Connect a SATA power cable to the power connector on each drive.

Connect the SATA signal cables.

4.5.3

Setting the RAID item in BIOS

You must enable the RAID function in the BIOS Setup before creating RAID set(s) using
SATA HDDs. To do this:
1.
2.

Enter the BIOS Setup during POST.

Go to the Main menu > Storage Configuration, and then press .
Set the Configure SATA as item to [RAID].

Save your changes, and then exit the BIOS Setup.
Refer to Chapter 3 for details on entering and navigating through the BIOS Setup.
Due to chipset limitation, when set any of SATA ports to RAID mode, all SATA ports run at
RAID mode together.

4.5.4

Intel® Matrix Storage Manager option ROM utility

To enter the Intel® Matrix Storage Manager option ROM utility:

Turn on the system.

1. Create RAID Volume
2. Delete RAID Volume

[ MAIN MENU ]
3. Reset Disks to Non-RAID
4. Recovery Volume Options
5. Exit

[ DISK/VOLUME INFORMATION ]

Chapter 4

RAID Volumes:
None defined.
Physical Disks:
Port Drive Model
0
ST3160812AS
1
ST3160812AS
2
ST3160812AS
3
ST3160812AS

[↑↓]-Select

4-14

Serial #
9LS0HJA4
9LS0F4HL
3LS0JYL8
9LS0BJ5H

[ESC]-Exit

Size
149.0GB
149.0GB
149.0GB
149.0GB

Type/Status(Vol ID)
Non-RAID Disk
Non-RAID Disk
Non-RAID Disk
Non-RAID Disk

[ENTER]-Select Menu

Chapter 4: Software support

The navigation keys at the bottom of the screen allow you to move through the menus
and select the menu options.
The RAID BIOS setup screens shown in this section are for reference only and may not
exactly match the items on your screen.
The utility supports maximum four hard disk drives for RAID configuration.

Creating a RAID volume
To create a RAID set:
1.

From the utility main menu, select 1. Create RAID Volume and press . The
following screen appears:
Intel(R) Matrix Storage Manager option ROM v8.9.0.1014 PCH-D wRAID5
Copyright(C) 2003-09 Intel Corporation. All Rights Reserved.
[ CREATE VOLUME MENU ]
Name:
RAID Level:
Disks:
Strip Size:
Capacity:
Sync:

Volume0
RAID0(Stripe)
Select Disks
128KB
0.0
GB
N/A
Create Volume

[ HELP ]

Enter a unique volume name that has no special characters and is
16 characters or less.

[↑↓]Change

[TAB]-Next

[ESC]-Previous Menu

[ENTER]-Select

Enter a name for the RAID set and press .

When the Disks item is selected, press to select the hard disk drives you want
to include in the RAID set. The SELECT DISKS screen appears:

When the RAID Level item is selected, press the up/down arrow key to select a RAID
mode to create, and then press .

Drive Model
ST3160812AS
ST3160812AS
ST3160812AS
ST3160812AS

Serial #
9LS0HJA4
9LS0F4HL
3LS0JYL8
9LS0BJ5H

Size
149.0GB
149.0GB
149.0GB
149.0GB

Status
Non-RAID
Non-RAID
Non-RAID
Non-RAID

Chapter 4

[ SELECT DISKS ]
Port
0
1
2
3

Disk
Disk
Disk
Disk

Select 2 to 6 disks to use in creating the volume.
[↑↓]-Prev/Next [SPACE]-SelectDisk [ENTER]-Done

ASUS P7P55D PRO

4-15

5.
6.

Use the up/down arrow key to select a drive, and then press to select. A small
triangle marks the selected drive. Press after completing your selection.
Use the up/down arrow key to select the stripe size for the RAID array (for RAID 0, 10
and 5 only),and then press . The available stripe size values range from 4KB
to 128KB. The following are typical values:
RAID 0: 128KB
RAID 10: 64KB
RAID 5: 64KB
We recommend a lower stripe size for server systems, and a higher stripe size for
multimedia computer systems used mainly for audio and video editing.

7.
8.

When the Capacity item is selected, enter the RAID volume capacity that you want
and press . The default value indicates the maximum allowed capacity.
When the Create Volume item is selected, press . The following warning
message appears:
WARNING: ALL DATA ON SELECTED DISKS WILL BE LOST.
Are you sure you want to create this volume? (Y/N):

Press to create the RAID volume and return to the main menu, or to go back
to the CREATE VOLUME menu.

Chapter 4
4-16

Chapter 4: Software support

Deleting a RAID set
Take caution when deleting a RAID set. You will lose all data on the hard disk drives when
you delete a RAID set.

To delete a RAID set:
1.

From the utility main menu, select 2. Delete RAID Volume and press . The
following screen appears:
Intel(R) Matrix Storage Manager option ROM v8.9.0.1014 PCH-D wRAID5
Copyright(C) 2003-09 Intel Corporation. All Rights Reserved.
[ DELETE VOLUME MENU ]
Name
Volume0

Level
RAID0(Stripe)

Drives
2

Capacity
298.0GB

Status
Normal

Bootable
Yes

[ HELP ]

Deleting a volume will reset the disks to non-RAID.
WARNING: ALL DISK DATA WILL BE DELETED.
(This does not apply to Recovery volumes)

[↑↓]-Select

[ESC]-Previous Menu

[DEL]-Delete Volume

Use the up/down arrow key to select the RAID set you want to delete, and then press
. The following warning message appears:
[ DELETE VOLUME VERIFICATION ]
ALL DATA IN THE VOLUME WILL BE LOST!
(This does not apply to Recovery volumes)
Are you sure you want to delete volume “Volume0”? (Y/N):

Press to delete the RAID set and return to the utility main menu, or press to
return to the DELETE VOLUME menu.

Exiting the Intel® Matrix Storage Manager
1.

Chapter 4

To exit the utility:

From the utility main menu, select 4. Exit, and then press . The following
warning message appears:
[ CONFIRM EXIT ]
Are you sure you want to exit? (Y/N):

Press to exit or press to return to the utility main menu.

ASUS P7P55D PRO

4-17

4.6

Creating a RAID driver disk

A floppy disk with the RAID driver is required when installing Windows® XP operating system
on a hard disk drive that is included in a RAID set. For Windows® Vista or later operating
systems, use either a floppy disk or a USB flash drive with the RAID driver.

4.6.1

•

The motherboard does not provide a floppy drive connector. You have to use a
USB floppy disk drive when creating a SATA RAID driver disk.

•

Windows® XP may not recognize the USB floppy disk drive due to Windows® XP
limitation. To work around this OS limitation, refer to section 4.6.4 Using a USB
floppy disk drive.

Creating a RAID driver disk without entering the OS

To create a RAID driver disk without entering the OS
1.

Boot your computer.

Set the optical drive as the primary boot device.

4.
5.

6.
7.

Press during POST to enter the BIOS setup utility.
Insert the support DVD into the optical drive.
Save changes and exit BIOS.

When the Make Disk menu appears, press <1> to create a 32/64bit Intel AHCI/RAID
driver disk.
Insert a formatted floppy disk into the USB floppy disk drive, then press .

Follow the succeeding screen instructions to complete the process.

4.6.2

Creating a RAID driver disk in Windows®

To create a RAID driver disk in Windows®:

Start Windows®.

Plug the USB floppy disk drive and insert a floppy disk.

Go to the Make Disk menu, and then click Intel AHCI/RAID Driver to create an Intel®
RAID driver disk.

5.
6.

Place the motherboard support DVD into the optical drive.

Select USB floppy disk drive as the destination disk.

Follow the succeeding screen instructions to complete the process.
Write-protect the floppy disk to avoid a computer virus infection.

Chapter 4

4.6.3

Installing the RAID driver during Windows® OS installation

To install the RAID driver for Windows® XP

1.
2.
3.

4.
4-18

During the OS installation, the system prompts you to press the F6 key to install thirdparty SCSI or RAID driver.

Press , and then insert the floppy disk with RAID driver into the USB floppy disk drive.
When prompted to select the SCSI adapter to install, ensure that you select Intel(R)
ICH8R/ICH9R/ICH10R/DO/PCH SATA RAID Controller.

Follow the succeeding screen instructions to complete the installation.

Chapter 4: Software support

To install the RAID driver for Windows® Vista or later OS

2.
3.

Insert the floppy disk or USB flash drive with RAID driver into the USB floppy disk drive
or USB port.
During the OS installation, select Intel(R) ICH8R/ICH9R/ICH10R/DO/PCH SATA RAID
Controller.

Follow the succeeding screen instructions to complete the installation.

4.6.4

Using a USB floppy disk drive

Due to OS limitation, Windows® XP may not recognize the USB floppy disk drive when you
install the RAID driver from a floppy disk during the OS installation.
To solve this issue, add the USB floppy disk drive’s Vendor ID (VID) and Product ID (PID) to
the floppy disk containing the RAID driver. Refer to the steps below:
1.

Using another computer, plug the USB floppy disk drive, and insert the floppy disk
containing the RAID driver.

Right-click My Computer on the
Windows® desktop or start menu,
and then select Manage from the
pop-up window.
or

Select Device Manager. From the
Universal Serial Bus controllers,
right-click xxxxxx USB Floppy, and
then select Properties from the pop-up
window.
The name of the USB floppy disk
drive varies with different vendors.

Click Details tab. The Vendor ID (VID)
and Product ID (PID) are displayed.

Chapter 4

ASUS P7P55D PRO

4-19

5.
6.

Browse the contents of the RAID driver
disk to locate the file txtsetup.oem.

Double-click the file. A window appears,
allowing you to select the program for
opening the oem file.

Use Notepad to open the file.

Find the [HardwareIds.scsi.iaAHCI_PCH] and
[HardwareIds.scsi.iastor_8R9R10RDOPCH] sections in the txtsetup.oem file.

Type the following line to the bottom of the two sections:
id = “USB\VID_xxxx&PID_xxxx”, “usbstor”
[HardwareIds.scsi.iaAHCI_PCH]
id= “PCI\VEN_8086&DEV_3A22&CC_0106”,”iaStor”
id= “USB\VID_03EE&PID_6901”, “usbstor”
[HardwareIds.scsi.iaStor_8R9R10RDOPCH]
id= “PCI\VEN_8086&DEV_3A22&CC_0106”,”iaStor”
id= “USB\VID_03EE&PID_6901”, “usbstor”

Chapter 4

Add the same line to both sections.
The VID and PID vary with different vendors.

10. Save and exit the file.

4-20

Chapter 4: Software support

Chapter 5
Chapter 5:

Multiple GPU technology support

5.1

ATI® CrossFireX™ technology

The motherboard supports the ATI® CrossFireX™ technology that allows you to install
multi-graphics processing units (GPU) graphics cards. Follow the installation procedures in
this section.

5.1.1
•
•
•
•

Requirements

In Dual CrossFireX mode, you should have two identical CrossFireX-ready graphics
cards or one CrossFireX-ready dual-GPU graphics card that are ATI® certified.

In Triple CrossFireX mode, you should have three identical CrossFireX-ready graphics
cards that are ATI® certified.

Ensure that your graphics card driver supports the ATI CrossFireX technology.
Download the latest driver from the AMD website (www.amd.com).

Ensure that your power supply unit (PSU) can provide at least the minimum power
required by your system. See page 2-38 for details.

5.1.2

•

We recommend that you install additional chassis fans for better thermal environment.

•

The ATI Triple CrossFireX technology is currently supported by Windows® Vista
operating system only.

•

Visit the ATI Game website (http://game.amd.com) for the latest certified graphics card
and the supported 3D application list.

Before you begin

For ATI CrossFireX to work properly, you have to uninstall all existing graphics card drivers
before installing ATI CrossFireX graphics cards to your system.
To uninstall existing graphics card drivers:
1.
2.

Close all current applications.

For Windows XP, go to Control Panel > Add/Remove Programs.
For Windows Vista, go to Control Panel > Programs and Features.

Select your current graphics card driver/s.

Turn off your computer.

For Windows XP, select Add/Remove.
For Windows Vista, select Uninstall.

ASUS P7P55D PRO

5-1

5.1.3

Installing two CrossFireX™ graphics cards
The following pictures are for reference only. The graphics cards and the motherboard
layout may vary with models, but the installation steps remain the same.

Chapter 5

1.
2.

3.
4.

Prepare two CrossFireX-ready graphics
cards.
Insert the two graphics card into the
PCIEX16 slots. If your motherboard
has more than two PCIEX16 slots,
refer to Chapter 2 in this user manual
for the locations of the PCIEX16 slots
recommended for multi-graphics card
installation.
Ensure that the cards are properly
seated on the slots.

Align and firmly insert the CrossFireX
bridge connector to the goldfingers on
each graphics card. Ensure that the
connector is firmly in place.

CrossFireX bridge
(bundled with
graphics cards)

5.
6.

5-2

goldfingers

Connect two independent auxiliary power
sources from the power supply to the two
graphics cards separately.
Connect a VGA or a DVI cable to the
graphics card.

Chapter 5: Multiple GPU technology support

5.1.4
2.
3.

Prepare three CrossFireX-ready graphics cards.

Insert the three graphics card into the PCIEX16 slots. If your motherboard has more
than three PCIEX16 slots, refer to Chapter 2 in this user manual for the locations of the
PCIEX16 slots recommended for multi-graphics card installation.
Ensure that the cards are properly seated on the slots.

Align and firmly insert the two CrossFireX
bridge connectors to the goldfingers
on each graphics card. Ensure that the
connectors are firmly in place.

Connect three independent auxiliary
power sources from the power supply to
the three graphics cards separately.

Chapter 5

Installing three CrossFireX™ graphics cards

Connect a VGA or a DVI cable to the
graphics card.

ASUS P7P55D PRO

5-3

5.1.5

Installing the device drivers

Refer to the documentation that came with your graphics card package to install the device
drivers.

Chapter 5
5.1.6

•

Ensure that your PCI Express graphics card driver supports the ATI® CrossFireX™
technology. Download the latest driver from the AMD website (www.amd.com).

•

If you are using a Triple CrossFireX system, ensure to install the ATI Catalyst® driver
under Windows® Vista™ OS. The ATI Triple CrossFireX technology is currently
supported by Windows® Vista™ only.

Enabling the ATI® CrossFireX™ technology

After installing your graphics cards and the device drivers, enable the CrossFireX™ feature
through the ATI Catalyst™ Control Center in Windows environment.

Launching the ATI Catalyst Control Center
To launch the ATI Catalyst Control Center:

5-4

Right-click on the Windows® desktop and select
Catalyst(TM) Control Center. You can also
right-click the ATI icon in the Windows notification
area and select Cayalist Control Center.

The Catalyst Control Center Setup
Assistant appears when the system
detects the existance of multi-graphics
cards. Click Go to continue to the
Catalyst Control Center Advanced
View window.

Chapter 5: Multiple GPU technology support

1.
2.
3.

In the Catalyst Control Center window,
click Graphics Settings > CrossFireX >
Configure.

From the Graphics Adapter list, select
the graphics card to act as the display
GPU.
Select Enable CrossFireX.

Click Apply, and then click OK to exit
the window.

Chapter 5

Enabling Dual CrossFireX technology

1
4

Enabling Triple CrossFireX technology
1.
2.
3.

In the Catalyst Control Center window,
click Graphics Settings > CrossFireX >
Configure.

From the Graphics Adapter list, select
the graphics card to act as the display
GPU.
Select Enable CrossFireX.

From the list, select the appropriate GPU
combination to apply the CrossFireX
technology.
Click Apply, and then click OK to exit
the window.

ASUS P7P55D PRO

4
5

5-5

5.2

NVIDIA® SLI™ technology

The motherboard supports the NVIDIA® SLI™ (Scalable Link Interface) technology that
allows you to install multi-graphics processing units (GPU) graphics cards. Follow the
installation procedures in this section.

Chapter 5

5.2.1
•
•
•

Requirements

In SLI mode, you should have two identical SLI-ready graphics cards that are NVIDIA®
certified.
Ensure that your graphics card driver supports the NVIDIA SLI technology. Download
the latest driver from the NVIDIA website (www.nvidia.com).
Ensure that your power supply unit (PSU) can provide at least the minimum power
required by your system. See Chapter 2 for details.

5.2.2

•

We recommend that you install additional chassis fans for better thermal environment.

•

Visit the NVIDIA zone website (http://www.nzone.com) for the latest certified graphics
card and supported 3D application list.

Installing two SLI-ready graphics cards
The following pictures are for reference only. The graphics cards and the motherboard
layout may vary with models, but the installation steps remain the same.

1.
2.

5-6

Prepare two SLI-ready graphics cards.

Insert the two graphics card into the
PCIEX16 slots. If your motherboard
has more than two PCIEX16 slots,
refer to Chapter 2 in this user manual
for the locations of the PCIEX16 slots
recommended for multi-graphics card
installation.

Ensure that the cards are properly seated
on the slots.

Chapter 5: Multiple GPU technology support

5.
6.

Align and firmly insert the SLI bridge connector to the goldfingers on each graphics
card. Ensure that the connector is firmly in place.

Connect two independent auxiliary power sources from the power supply to the two
graphics cards separately.

Chapter 5

Connect a VGA or a DVI cable to the graphics card.

SLI bridge connector

Goldfingers

The SLI bridge connector is purchased separately.

5.2.3

Installing the device drivers

Refer to the documentation that came with your graphics card package to install the device
drivers.
Ensure that your PCI Express graphics card driver supports the NVIDIA® SLI™ technology.
Download the latest driver from the NVIDIA website (www.nvidia.com).

5.2.4

Enabling the NVIDIA® SLI™ technology

After installing your graphics cards and the device drivers, enable the SLI feature in NVIDIA®
Control Panel under the Windows® Vista™ operating system.

Launching the NVIDIA Control Panel

You can launch the NVIDIA Control Panel by the following two methods.
A.

Right click on the empty space of the Windows® desktop
and select NVIDIA Control Panel.

The NVIDIA Control Panel window appears (See Step B5).

ASUS P7P55D PRO

5-7

B1. If you cannot see the NVIDIA Control Panel item in step
(A), select Personalize.

Chapter 5
B2. From the Personalization window,
select Display Settings.

B3. From the Display Settings dialog box,
click Advanced Settings.

5-8

Chapter 5: Multiple GPU technology support

Chapter 5

B4. Select the NVIDIA GeForce tab, and
then click Start the NVIDIA Control
Panel.

B5. The NVIDIA Control Panel window
appears.

Enabling SLI settings

From the NVIDIA Control Panel window, select
Set SLI Configuration. Click Enable SLI
and set the display for viewing SLI rendered
content. When done, click Apply.

ASUS P7P55D PRO

5-9

Chapter 5
5-10

Chapter 5: Multiple GPU technology support

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Asus P7P55D Pro Owner S Manual

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