AGP总线定义

 

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