AGP总线定义
AGP 是 Accelerated Graphics Port，是 Intel 推出的一种 3D 图形标准接口，它能够提供四倍于 PCI 的效率，AGP2X 的传输速率达到 533MB。有关 AGP 的说明可以在 Intel 的网站上找到。
|
Pin |
B面 |
A面 |
Pin |
B面 |
A面 |
|
1 |
Spare |
12V |
34 |
Vddq3.3 |
Vddq3.3 |
|
2 |
5.0V |
Spare |
35 |
Address21 |
Address22 |
|
3 |
5.0V |
Reserved |
36 |
Address19 |
Address20 |
|
4 |
USB+ |
USB- |
37 |
Ground |
Ground |
|
5 |
Ground |
Ground |
38 |
Address17 |
Address18 |
|
6 |
INTB# |
INTA# |
39 |
C/BE2# |
Address16 |
|
7 |
Clock |
RST# |
40 |
Vddq3.3 |
Vddq3.3 |
|
8 |
REQ# |
GNT# |
41 |
IRDY# |
FRAME# |
|
9 |
Vcc3.3V |
Vcc3.3V |
42 |
|
|
|
10 |
ST0 |
ST1 |
43 |
Ground |
Ground |
|
11 |
ST2 |
Reserved |
44 |
|
|
|
12 |
RBF# |
PIPE# |
45 |
Vcc3.3V |
Vcc3.3V |
|
13 |
Ground |
Ground |
46 |
DEVSEL# |
TRDY# |
|
14 |
Spare |
Spare |
47 |
Vddq3.3 |
STOP# |
|
15 |
SBA0 |
SBA1 |
48 |
Perr# |
Spare |
|
16 |
Vcc3.3V |
Vcc3.3V |
49 |
Ground |
Ground |
|
17 |
SBA2 |
SBA3 |
50 |
SERR# |
PAR |
|
18 |
SB_STB |
Reserved |
51 |
C/BE1# |
Address15 |
|
19 |
Ground |
Ground |
52 |
Vddq3.3 |
Vddq3.3 |
|
20 |
SBA4 |
SBA5 |
53 |
Address14 |
Address13 |
|
21 |
SBA6 |
SBA7 |
54 |
Address12 |
Address11 |
|
22 |
Key |
Key |
55 |
Ground |
Ground |
|
23 |
Key |
Key |
56 |
Address10 |
Address9 |
|
24 |
Key |
Key |
57 |
Address8 |
C/BE0# |
|
25 |
Key |
Key |
58 |
Vddq3.3 |
Vddq3.3 |
|
26 |
Address31 |
Address30 |
59 |
AD_STB0 |
Reserved |
|
27 |
Address29 |
Address28 |
60 |
Address7 |
Address6 |
|
28 |
Vcc3.3V |
Vcc3.3V |
61 |
Ground |
Ground |
|
29 |
Address27 |
Address26 |
62 |
Address5 |
Address4 |
|
30 |
Address25 |
Address24 |
63 |
Address3 |
Address2 |
|
31 |
Ground |
Ground |
64 |
Vddq3.3 |
Vddq3.3 |
|
32 |
AD_STB1 |
Reserved |
65 |
Address1 |
Address0 |
|
33 |
Address23 |
C/BE3# |
66 |
SMB0 |
SMB1 |