Compaq 164SX ISA Expansion Bus Connector Pinouts, 2shows the ISA expansion bus connector pinouts

ISA Expansion Bus Connector Pinouts

4.2 ISA Expansion Bus Connector Pinouts

Table 4–2shows the ISA expansion bus connector pinouts.

Table 4–2 ISA Expansion Bus Connector Pinouts (J22, J23)

Pin	Signal	Pin	Signal	Pin		Signal	Pin	Signal
1	Gnd	2	IOCHCK#	3		RSTDRV	4	SD7
5	Vdd	6	SD6	7		IRQ9	8	SD5
9	–5V	10	SD4	11		DRQ2	12	SD3
13	–12V	14	SD2	15		ZEROWS#	16	SD1
17	+12V	18	SD0	19		Gnd	20	IOCHRDY
21	SMEMW#	22	AEN	23		SMEMR#	24	SA19
25	IOW#	26	SA18	27		IOR#	28	SA17
29	DACK3#	30	SA16	31		DRQ3	32	SA15
33	DACK1#	34	SA14	35		DRQ1	36	SA13
37	REFRESH#	38	SA12	39		SYSCLK	40	SA11
41	IRQ7	42	SA10	43		IRQ6	44	SA9
45	IRQ5	46	SA8	47		IRQ4	48	SA7
49	IRQ3	50	SA6	51		DACK2#	52	SA5
53	TC	54	SA4	55		BALE	56	SA3
57	Vdd	58	SA2	59		OSC	60	SA1
61	Gnd	62	SA0	63		MEMCS16#	64	SBHE#
65	IOCS16#	66	LA23	67		IRQ10	68	LA22
69	IRQ11	70	LA21	71		IRQ12	72	LA20
73	IRQ15	74	LA19	75		IRQ14	76	LA18
77	DACK0#	78	LA17	79		DRQ0	80	MEMR#
81	DACK5#	82	MEMW#	83		DRQ5	84	SD8
85	DACK6#	86	SD9	87		DRQ6	88	SD10
89	DACK7#	90	SD11	91		DRQ7	92	SD12
93	Vdd	94	SD13	95		MASTER#	96	SD14
97	Gnd	98	SD15	—	—	—	—

AlphaPC 164SX Connector Pinouts 4–3