GR 4_Schematic 4 Schematic

GR-4_Schematic GR-4_Schematic

User Manual: Pdf GR-4_Schematic

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Page Count: 21

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8 I 7 I 6 I I 4 1 3 1 1 1

INDY

ELAN

GRAPHICS -

GR4

BOARD

(Fab

#

034-8234-002

REV.

A)

Table

of

contents

1

GIO

64

Connectors

from

Motherboard

2

Pipeline

Registers

3

GIO

64

Clamp

Diodes

4

Clock

Logie,

Oscillators

5

CB1

ASIC

6

HQ2

ASIC

7

HQ2

OCode,

Version,

Interrupt

Conv. 8

GE7

OCode &

Shared

RAM

9

2GE7

ASIC

(Cavity

up,

topside)

10

2GE7

ASIC

(Cavity

down,

bottoms

ide)

11

RE3

ASIC

12

VB3

Connectors

and

Stereo

Port

13

ZRAM

Buffer

10

(ZRB1

ASIC) 16

ZRAM

Buffer

U

(ZRB1

ASIC) 17

ZRAM

Buffer

12

(ZRB1

ASIC) 18

Z-Buffer,

Banks

A,

B,

C,

D,

E

19

Z-Buffer,

Banks F,

G,

H,

I,

J 20

RE,

Display

Bus

Terminators,

Spares,

Standoffs

21

ATTENTION!!

THERE

ARE

SOME

REFERENCE

DESIGNATORS

ON

THE

SILKSCREEN

THAT

ARE

PLACE

INCORRECTLY

ON

THIS

BOARD.

PLEASE

SEE

PAGE

8

FOR

DETAILS.

SCHEMATIC

#032-8234-002

REV

D

POPs, PODs,

Terminators,

FIFO

stretch

14

~

Silicon

Graphics

computer

Systems

-

Digital

Sight

,

Sound

RB1

ASICs

for

Z

Buffer

Memory

15

GR4

SHEET

1

OF

21

8 I I 6

~~

4

D

t-

c

t-

B

t-

A

PS01

GIOMSM'I

MTG1

RESERVED FOR

+3.3V

1

DI RESERVED FOR

+3.

3V

2

3

SAl>

CLl(

50MHZ

•

•

RESERVED FOR + 3 •

3V

•

7

RESERVED FOR

+3.3V

•

9

,.

11

12

II

14

RESERVED

-.J

1$

16

17

11

19

2.

21

22

23

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..

27

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2.

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vee

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RESERVED FOR

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R5mESERVED FOR

+3.3V

100

5%

~

RESERVED FOR

+3.3V

1/1611'

+12V

0603

•

SYS RST N D RESERVED

RESERVED

~

RETRACE N Do

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RESERVED

GtO

READ

0 3A1<

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MASOLY

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FOR

-12

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1

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i

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vee

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CB5

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c

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3V

RESERVED FOR

+3.

3V

VT

VSTAT

N

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RESERVED

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MTG2

U531

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Graphics

Computer

Systems

GIO

64

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from

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gr4

GR4

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OF

21

3

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GrOCLK

PGO

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1406>

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~

..---

*

silicon

Graphics

Pipeline

Registers

Computer

Systems

ENGIMH~

Ah

Tye

DRAWING:

GR4

gr4

GR4

032-8234-002

Wed

Jul

13

16:50:36

1994

OF

21

6

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e

BI

1

I A

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3

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__

1!

______________

-------------------------r--------------------------------------1---------------------------------~

63

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Ne

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8

+5 vee

1J32

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NTWK

15

6

47

,.

12

13

14

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TN3 Ne

19

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•

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15

31

11

13

14

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TN'

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20

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*

15

,.

11

12

14

18

~

~

silicon

Graphics

Computer

Systems

+5 vee

1J39

5DIODE

NTWK

GIO

64

ENGI~~!:

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GR4

3

D

e

I B

A

clamp

diodes

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OF

21

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I

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&

;

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D

C

B

A

6D1> 0 HALF§IOCl.jK

FBIN

203> Co

GIO

CLJ«Q>

C553

10pF

This

capacitor

is

5%

used

to

tune

the

SOV

GIO

Clock

delay.

~~~3

NO_STUFF

+5

VCC

+5

vce

L4

~O

5%

1206

C552

C56

1

100PF

1

1000PF

-10% 10%

-

50V

r

50V

•

NPO

X7R

0603

0603

nJ30

2 PLL

FSO

470

5%

1/16W

0603

ECL

VCC

C44

~o~,

•.

00.

1,

°io'i

F

-16V

-Z5U

•

0603

VEE

ECL

VCC

These

Resistor

va1ues

need

to

be

to

be

reviewed!!

1

R527

4.7K

5%

.1/1611

0603

~

;1

..

FBIN

IN

1 20%

-16V

-Z5U

•

0603

C548

1000pF

U27

cr.1<1

8

P1L

CLK

11

NC

+5 vce

+5

VCC

f'

1180

5%

1/811

.1206

~R28

270

5%

.1/8W

1206

~R526

750

.D16W

0603

I.

..,....

H.

..,

0.

••

,..

"

10%

-50V

-X7R

•

0603

VEE

6

3

+5

VCC

ECL

VCC

120

180

5% 5%

1/8W

1/811

1206

1206

NOTE: THESE TERMINATIONS

MUST

BE

PLACED

AT

THE

END

OF

THE

NET!!

GFX

HCU

P :

,etc

:6;

GFX

BCLX

N

6et<

PECL

eLK

13

b i Wlt5i

~

:g:~

+5

VEE

t:~

C544

il

100PF

~

· i

~

eLK_OVec: • I

vc:c

OSC

5%

1206

1

4.

7~

TEOO

EN

~4q

R523

NO

STUFF

1"Jl.& 2

XJ;f;7CLK

Lh

C549

S 1

10pF

..

10%

IBt<

10%

i 2

SOV

NPO

0603

U35

R47

8

~~

J:.

g~PF

1/16WJ

50V

0603

NPO

0603

NO_STUFF

GND

Yl

60.1Mhz

SM990

110_STUFF

R52

o

5%

1/1611

0603

°7

50V

..

NPO

0603

l)

esc

3 1 Vv 2 C91 eLlS 5QMHZ Do

201<

SOIC

33

5%

1/1611

0603

.<t:>.

Silicon

Graphics

'<D'

Computer

Systems

ENGINEER

Dale

GR4

3

1

10pF

-

5%

J

~g~

0603

NO_STUFF

Clock

Logic,

Oscillators

RE

D 5

OF

21

D

C

B

A

·;li

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j

I

I

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C

sct>

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581>

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7Bl>

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581>

B

1407>

I-

A

8 I 7 I 6 I 5 I 4 3 2 I 1

R30

13;'

5:

HALFGIOCLK

FBIN

5B'<

1/161'1

'.

0603

R25

(~

5:

HALFGIOCLlC

GEiA

10DI<

1101<

1/161'1

'.

0603

R24

,JL.5~

U29

HALFGIOCLK

!lO2

7CI< D

V.16W

0603

.JfT3

NOTE: THESE TERMINATIONS

MUST

R23

13~

5:

HALFGIOCLK

RE3

BE

PLACED

AT

THE

END

OF

THE

NET!!

12DI<

'l'HLFCLXO

'8

THCJ<

R1~/16f3

0603

+5

VCC

41

5'

'lHLFCLXl

THCJ<l

1 2

GIOCLlC

PGO

3A7<

387<

R52?

~~O

2

R34

180

'lHLFCLK2

..

THCJ<2

I 1/161'1 '

..

0603

.JfT4

3C7<

1 2

..

TIl'"''

R17

33

5~

.•.

THLFCLK3

HaLFGIOCLK

"'" "

13B1<

R35

120

R531

~~0-L

39

THCJ<'

11/161'1

0603

I-

TRLFCLX.

NO

STUFF

NO

STUFF

NO

STUFF

NO

STUFF

NO

STUFF

NO

STUFF

R528

1"20

2

R33

1"8~

2 F 2 F 1

~~F

C47

1

~~F

C50

1

~~~53

1

~~F

NOTE: PLACE THESE CAPACITORS

AND

THLFCLX'

38

THCJ<.

C36

1

5~

C35 1

5~

C41

2

==~gg

=~~~g

=

:=

~gg

=

:=

~gg

=

~gg

=

:=

50V

RESISTORS

NEAR

THE

CB1

ASIC

R39

120

2 R40 1'80

'rCLKO

'0

TCKO

2

0603

2

0603

2

0603

2

0603

2

0603

2

M~83

1 2

5·'

5~·

CBl

TCLKl

OS

TCKl

;1

NO

TUF~NO

TU~:lNO

TU~lNO":;TUF'1NO

TU~1NO

STUFF

~

1/81'1 1/81'1

7'

'rCLK2

"

TCK2

C68 1

g~F

C70 1

~~F

C7l

1

g~F

C72

1

g~F

C73

1

~~F

C64 1

g~F

1206

1206

n

TCK3

~~gg

~~gg

=F~gg

=F~gg

==~gg

=

~gg

C

TCLK3

..

R41

0

5~

2

0603

2

0603

2

0603

2

0603

2

0603

2

0603

GIOOLl<

Fa

",no

TCLK'

13B6<

GFX

HCLl(

P

55

3 1/161'1

....

_

0603

EHLFCLKINP

'rCLl<5

R42

10~

5~

GIOCLK

FB

RBlD

HOLK

50

EHLFCLKINN

13BI<

GFX eLK P

'rCLl<'

• 1/161'1

0603

57

ECLKINP I

R43

,0"

5~

0

58

ECLKINN

'rCL1<1

5

GIOCLK

FB

RBIA

13BI<

'rCL1<8

•

II

1/;161'1 '

••

0603

OWE

IlMA

50

CDNEDMA

R44

,0 A

5~

GIOCL1<

RE3

1201<

-

WE

GE7

N

34

CDNEGE7N

TCLK.

10

TCK.

l/r~

'·5~603

.JfT2

4XGE7CLK

32

T4XGEiCLK

TCLKl0

11

TCKl0

1 2

GIOCL1<

ZB

RB

lSD.<

33

TSEL4XGEl

~

R~/16W

, ...

0603

..2L.

TCLKll

38

0-"

5~

CIOCLK

""

ZRB10

R19

J

VCC

TTSTRSTN

13

lIC'<

'l'CLX12

1,1,161'1

0603

TClJ(13

14

I

R37

1

0"

5~

GIOC!.K

ZB

ZRB1B

11CI<

R20

NO_STUFF I 1/161'1 '

•.

0603

B

1-""

2 SE

4XGEl

1 A

-L

TSIlRl\MWElI

3S

R36

,0"

5~

GIOCLK

ZB

ZRBIA

16CI<

t

4~~

4".~K

I 1/161'1

"'_

0603

5'

5\

T2"XGE1CLKO

21

R18

,0

5~

SHRAM

HE

N 9B5<

1/16W

1/16W

22

T2XGEiCl(1 I

lfr~

0603

0603

0603

T2XGE1CLKl

5\

1 2

2XGE.1CLK

10DI<

1101<

CATSTRST N '!GE1CLXO 23

Vi6W

0603

R29

0,,,

5~

""7M,X

7C6<

'lGEiCLKl

24

TGE1CK1 1/161'1

0603

-

'!GEiCLK2

25

TGEiCX2 I

R26

,0

,"

5~

GEiCIJCl

10DI<

1101<

1/16W

0603

HA6<

'l'CASCLIC

30

R22

,0 ,

..

51

CASCLK

1C6<

1/16W

0603

NO

STUFF

NO

STUFF

NO

STUFF

NO

STUFF

NO

STUFF

1

HPF

C51

1

~iPF

C54 1

~~F

C60 1

g~F

C61

19pF

C48 1

5\

NOTE: PLACE THESE CAPACITORS

AND

fo50V

1

50V

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