Compaq 850 manual AGP Connector, AGP Bus Connector Pinout, Ovrcnt GND KEY, Trdy Devsel

Chapter 4 System Support

4.3.3 AGP CONNECTOR

B94 A1 A41 A46 A66

A94 B1 B41 B46 B66

Figure 4-8.1.5-Volt AGP Bus Connector

Table 4-6.AGP Bus Connector Pinout

Table 4-6.

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	KEY	KEY
02	Type Det-	5.0 VDC	24	Reserved	VDD3 Aux	46	TRDY-	DEVSEL-
03	Reserved	5.0 VDC	25	VDD3	VDD3	47	STOP-	VDDQ
04	USB-	USB+	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	Reserved	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-	Reserved	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	KEY	KEY	64	VDDQ	VDDQ
21	SBA7	DBA6	43	KEY	KEY	65	PAD00	PAD01
22	Reserved	Reserved	44	KEY	KEY	66	VREFGC	VREFCG

NOTES:

NC = Not connected

VDDQ = 1.5 VDC, as determined by system board grounding of Type Det- signal (pin A02).

4-14Compaq Deskpro EXS and Workstation 300 Personal Computers

Featuring the Intel Pentium 4 Processor

First Edition - December 2000