IBM user manual multiPort - 25-Pin D Connector female, BDM-610000049 Rev G

Table 69 multiPort — 25-Pin D Connector (female)

IDAN Pin #	aDIO Port	Parallel Port	Floppy Port	CPU Pin #
1	strobe 0	STB	—	1
2	P1-0	PD0	INDEX#	3
3	P1-1	PD1	TRK0#	5
4	P1-2	PD2	WRTPRT#	7
5	P1-3	PD3	RDATA#	9
6	P1-4	PD4	DSKCHG	11
7	P1-5	PD5	—	13
8	P1-6	PD6	—	15
9	P1-7	PD7	—	17
10	P0-0	ACK	DS1#	19
11	P0-1	BSY	MTR#	21
12	P0-2	PE	WDATA#	23
13	P0-3	SLCT	WGATE#	25
14	P0-4	AFD	DR0#	2
15	P0-5	ERR	HDSEL#	4
16	P0-6	INIT	DIR#	6
17	P0-7	SLIN	STEP#	8
18	strobe 1	GND	GND	10
19	GND	GND	GND	12
20	GND	GND	GND	14
21	GND	GND	GND	16
22	GND	GND	GND	18
23	GND	GND	GND	20
24	GND	GND	GND	22
25	GND	GND	GND	24

BDM-610000049 Rev G Appendix C: IDAN™ Dimensions and Pinout 99