Intel MB879 user manual J1 Floppy Drive Connector, IDE1 IDE Connector, Signal Name, Pin #

INSTALLATIONS

J1: Floppy Drive Connector

J1 is a slim 26-pin connector and will support up to 2.88MB FDD.

	Signal Name	Pin #	Pin #	Signal Name
	VCC	1	2	INDEX
	VCC	3	4	DRV_SEL
	VCC	5	6	DSK_CH
	NC	7	8	NC
	NC	9	10	MOTOR
	DINST	11	12	DIR
	NC	13	14	STEP
	GND	15	16	WDATA
	GND	17	18	WGATE
	GND	19	20	TRACK
	NC	21	22	WPROT
	GND	23	24	RDATA
	GND	25	26	SIDE
IDE1: IDE Connector
	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
	Address 1	33	34	No connect
	Address 0	35	36	Address 2
	Chip select 0	37	38	Chip select 1
	Activity	39	40	Ground

16 MB879 User’s Manual