Chapter 4 System Support
Compaq Deskpro Personal Computers
Third Edition – April 2001
4-14
4.3.3 AGP CONNECTOR
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. 
B94
A94
B66
A66
A1
B1