AGP Connector
| Signal | Signal |
| Signal | Signal |
| Signal | Signal |
Pin | A | B | Pin | A | B | Pin | A | B |
1 | +12 V | OVRCNT# | 23 | Ground | Ground | 45 | VCC 3.3 | VCC 3.3 |
2 | TYPEDET# + 5V | 24 | Reserved | 3.3 Vaux | 46 | TRDY# | DEVSEL# | |
3 | Reserved | + 5V | 25 | VCC 3.3 | VCC 3.3 | 47 | STOP# | Vddq |
4 | USB- | USB+ | 26 | AD30 | AD31 | 48 | PME# | PERR# |
5 | Ground | Ground | 27 | AD28 | AD29 | 49 | Ground | Ground |
6 | INTA# | INTB# | 28 | VCC 3.3 | VCC 3.3 | 50 | PAR | SERR# |
7 | RST# | CLK | 29 | AD26 | AD27 | 51 | AD15 | C/BE1# |
8 | GNT# | REQ# | 30 | AD24 | AD25 | 52 | Vddq | Vddq |
9 | VCC3.3 | VCC3.3 | 31 | Ground | Ground | 53 | AD13 | AD14 |
10 | ST1 | ST0 | 32 | AD_STB1# | AD_STB1 | 54 | AD11 | AD12 |
11 | Reserved | ST2 | 33 | C/BE3# | AD23 | 55 | Ground | Ground |
12 | PIPE# | RBF# | 34 | Vddq | Vddq | 56 | AD9 | AD10 |
13 | Ground | Ground | 35 | AD22 | AD21 | 57 | C/BEO# | AD8 |
14 | WBF# | Reserved | 36 | AD20 | AD19 | 58 | Vddq | Vddq |
15 | SBA1 | SBA0 | 37 | Ground | Ground | 59 | AD_STBO# AD_STBO | |
16 | VCC 3.3 | VCC 3.3 | 38 | AD18 | AD17 | 60 | AD6 | AD7 |
17 | SBA3 | SBA2 | 39 | AD16 | C/BE2# | 61 | Ground | Ground |
18 | SB_STB# | SB_STB | 40 | Vddq | Vddq | 62 | AD4 | AD5 |
19 | Ground | Ground | 41 | FRAME# | IRDY# | 63 | AD2 | AD3 |
20 | SBA5 | SBA4 | 42 | Reserved | 3.3VAux | 64 | Vddq | Vddq |
21 | SBA7 | SBA6 | 43 | Ground | Ground | 65 | AD0 | AD1 |
22 | Reserved | Reserved | 44 | Reserved | Reserved | 66 | VREFGC | VREFCG |
Deskpro Service Reference Guide |