Technical Reference Guide

4.3.3 AGP CONNECTOR

B94

 

A1

A66

 

 

 

 

 

 

 

 

A94

B1

B66

Figure 4-8.Universal AGP Bus Connector

Table 4-7.AGP Bus Connector Pinout

Table 4-7.

AGP Bus Connector Pinout

Pin

A Signal

B Signal

Pin

A Signal

B Signal

Pin

A Signal

B Signal

01

+12 VDC

OVRCNT-

23

GND

GND

45

VDD3

VDD3

02

Type Det-

VDD

24

NC

VDD3 Aux

46

TRDY-

DEVSEL-

03

NC

VDD

25

VDD3

VDD3

47

STOP-

VDDQ

04

USBN

USBP

26

PAD30

PAD31

48

PME-

PERR-

05

GND

GND

27

PAD28

PAD29

49

GND

GND

06

INTA-

INTB-

28

VDD3

VDD3

50

PAR

SERR-

07

RESET

CLK

29

PAD26

PAD27

51

PAD15

CBE1-

08

GNT-

REQ-

30

PAD24

PAD25

52

VDDQ

VDDQ

09

VDD3

VDD3

31

GND

GND

53

PAD13

PAD14

10

ST1

ST0

32

AD_STB1-

AD_STB1

54

PAD11

PAD12

11

NC

ST2

33

CBE3-

PAD23

55

GND

GND

12

PIPE-

RBF-

34

VDDQ

VDDQ

56

PAD09

PAD10

13

GND

GND

35

PAD22

PAD21

57

CBE0-

PAD08

14

WBF-

NC

36

PAD20

PAD19

58

VDDQ

VDDQ

15

SBA1

SBA0

37

GND

GND

59

AD_STB0-

AD_STB0

16

VDD3

VDD3

38

PAD18

PAD17

60

PAD06

PAD07

17

SBA3

SBA2

39

PAD16

CBE2-

61

GND

GND

18

SB_STB-

SB_STB

40

VDDQ

VDDQ

62

PAD04

PAD05

19

GND

GND

41

FRAME-

IRDY-

63

PAD02

PAD03

20

SBA5

SBA4

42

NC

VDD3 Aux

64

VDDQ

VDDQ

21

SBA7

DBA6

43

GND

GND

65

PAD00

PAD01

22

NC

NC

44

NC

NC

66

VREFGC

VREFCG

NOTES;

NC = Not connected

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VDDQ = 3.3 VDC when TYPE DET- is left open by AGP 1X/2X card.

 

 

 

VDDQ = 1.5 VDC when TYPE DET- is grounded by AGP 4X card.

 

 

Compaq Evo and Workstation Personal Computers4-15

Featuring the Intel Pentium 4 Processor

Second Edition - January 2003

Page 69
Image 69
Compaq W4000 AGP Connector, AGP Bus Connector Pinout, Ovrcnt GND VDD3, Vddq SBA7 DBA6 GND PAD00 PAD01 Vrefgc Vrefcg