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Technical Reference Guide
4.3.2 AGP CONNECTOR
Figure 4-8 shows the system’s keyed AGP connector that accepts only 1.5-volt AGP adapters.
The pin out is listed in Table 4-4.
B94
A94
B46
B41
A46
A41
B1
A1
A66
B66
Figure 4-9. AGP Bus Connector
Table 4-4. AGP Bus Connector Pinout
Table 4-4.
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.
= Keyed spaces on 1.5-volt AGP connector.
Compaq D315 and hp d325 Personal Computers
Featuring the AMD Athlon XP Processor
Second Edition - April 2003
4-13