AGP总线接口定义

agp接口是电脑上常用的图形输出接口

AGP总线接口引脚定义

Pin	B面	A面
1	Spare	12V
2	5.0V	Spare
3	5.0V	Reserved
4	USB+	USB-
5	Ground	Ground
6	INTB#	INTA#
7	Clock	RST#
8	REQ#	GNT#
9	Vcc3.3V	Vcc3.3V
10	ST0	ST1
11	ST2	Reserved
12	RBF#	PIPE#
13	Ground	Ground
14	Spare	Spare
15	SBA0	SBA1
16	Vcc3.3V	Vcc3.3V
17	SBA2	SBA3
18	SB_STB	Reserved
19	Ground	Ground
20	SBA4	SBA5
21	SBA6	SBA7
22	Key	Key
23	Key	Key
24	Key	Key
25	Key	Key
26	Address31	Address30
27	Address29	Address28
28	Vcc3.3V	Vcc3.3V
29	Address27	Address26
30	Address25	Address24
31	Ground	Ground
32	AD_STB1	Reserved
33	Address23	C/BE3#
34	Vddq3.3	Vddq3.3
35	Address21	Address22
36	Address19	Address20
37	Ground	Ground
38	Address17	Address18
39	C/BE2#	Address16
40	Vddq3.3	Vddq3.3
41	IRDY#	FRAME#
42
43	Ground	Ground
44
45	Vcc3.3V	Vcc3.3V
46	DEVSEL#	TRDY#
47	Vddq3.3	STOP#
48	Perr#	Spare
49	Ground	Ground
50	SERR#	PAR
51	C/BE1#	Address15
52	Vddq3.3	Vddq3.3
53	Address14	Address13
54	Address12	Address11
55	Ground	Ground
56	Address10	Address9
57	Address8	C/BE0#
58	Vddq3.3	Vddq3.3
59	AD_STB0	Reserved
60	Address7	Address6
61	Ground	Ground
62	Address5	Address4
63	Address3	Address2
64	Vddq3.3	Vddq3.3
65	Address1	Address0
66	SMB0	SMB1