Intel MB820 user manual IDE, IDE2 Primary and Secondary IDE Connectors, IRQ15

INSTALLATIONS

IDE, IDE2: Primary and Secondary IDE Connectors

	Signal Name	Pin #	Pin #	Signal Name
	Reset IDE	1	2	Ground
	Host data 7	3	4	Host data 8
	Host data 6	5	6	Host data 9
	Host data 5	7	8	Host data 10
	Host data 4	9	10	Host data 11
	Host data 3	11	12	Host data 12
	Host data 2	13	14	Host data 13
	Host data 1	15	16	Host data 14
	Host data 0	17	18	Host data 15
	Ground	19	20	Protect pin
	DRQ0	21	22	Ground
	Host IOW	23	24	Ground
	Host IOR	25	26	Ground
	IOCHRDY	27	28	Host ALE
	DACK0	29	30	Ground
	IRQ14	31	32	No connect
IDE1
	Address 1	33	34	No connect
	Address 0	35	36	Address 2
	Chip select 0	37	38	Chip select 1
	Activity	39	40	Ground

	Signal Name	Pin #	Pin #	Signal Name
	Reset IDE	1	2	Ground
	Host data 7	3	4	Host data 8
	Host data 6	5	6	Host data 9
	Host data 5	7	8	Host data 10
	Host data 4	9	10	Host data 11
	Host data 3	11	12	Host data 12
	Host data 2	13	14	Host data 13
	Host data 1	15	16	Host data 14
	Host data 0	17	18	Host data 15
	Ground	19	20	Protect pin
	DRQ1	21	22	Ground
	Host IOW	23	24	Ground
	Host IOR	25	26	Ground
	IOCHRDY	27	28	Host ALE
	DACK1	29	30	Ground
	IRQ15	31	32	No connect
IDE2
	Address 1	33	34	No connect
	Address 0	35	36	Address 2
	Chip select 0	37	38	Chip select 1
	Activity	39	40	Ground

22 MB820 User’s Manual