Compaq 164SX Diskette Floppy Drive Bus Connector Pinouts, Parallel Bus Connector Pinouts

Diskette (Floppy) Drive Bus Connector Pinouts

4.5 Diskette (Floppy) Drive Bus Connector Pinouts

Table 4–5shows the diskette (floppy) drive bus connector pinouts.

Table 4–5 Diskette (Floppy) Drive Bus Connector Pinouts (J11)

Pin	Signal	Pin	Signal	Pin	Signal	Pin	Signal
1	Gnd	2	DEN0	3	Gnd	4	NC
5	Gnd	6	DEN1	7	Gnd	8	INDEX
9	Gnd	10	MTR0	11	Gnd	12	DR1
13	Gnd	14	DR0	15	Gnd	16	MTR1
17	Gnd	18	DIR	19	Gnd	20	STEP
21	Gnd	22	WDATA	23	Gnd	24	WGATE
25	Gnd	26	TRK0	27	Gnd	28	WRTPRT
29	ID0	30	RDATA	31	Gnd	32	HDSEL
33	ID1	34	DSKCHG	—	—	— —

4.6 Parallel Bus Connector Pinouts

Table 4–6shows the parallel bus connector pinouts.

Table 4–6 Parallel Bus Connector Pinouts (J13)

Pin	Signal	Pin	Signal	Pin	Signal	Pin	Signal
1	STB	2	PD0	3	PD1	4	PD2
5	PD3	6	PD4	7	PD5	8	PD6
9	PD7	10	ACK	11	BUSY	12	PE
13	SLCT	14	AFD	15	ERR	16	INIT
17	SLIN	18	Gnd	19	Gnd	20	Gnd
21	Gnd	22	Gnd	23	Gnd	24	Gnd
25	Gnd	—	—	— —		— —

4–6AlphaPC 164SX Connector Pinouts