Samsung 164BX user manual Diskette Drive Bus Connector Pinouts, Parallel Bus Connector Pinouts

Diskette Drive Bus Connector Pinouts

4.5 Diskette Drive Bus Connector Pinouts

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

Table 4–5 Diskette (Floppy) Drive Bus Connector Pinouts (J33)

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 164UX Connector Pinouts