IBM Dock I manual Internal Scsi Connector

Title: C74AMST CreationDate: 06/23/93 17:09:07

Pin	I/O	Signal	Pin	I/O	Signal
17	N/A	GND	47	N/A	GND
18	I/O	SCSI PARITY	48	O	REQ
19	N/A	GND	49	N/A	GND
20	N/A	GND	50	I/O	I/O
21	N/A	GND	51	N/A	GND
22	N/A	GND	52	(Open)
23	N/A	GND	53	(Open)
24	N/A	GND	54	(Open)
25	(Open)		55	(Open)
26	N/A	TERMPWR	56	(Open)
27	N/A	GND	57	(Open)
28	N/A	GND	58	(Open)
29	N/A	GND	59	(Open)
30	N/A	GND	60	(Open)

Internal SCSI Connector

The internal SCSI connector (50-pin) is used to connect the SCSI bus to an external SCSI device or subsystem. The pin assignments of the 50-pin connector are shown below.

2	2 6	5 0
1	2 5	4 9

Pin	I/O	Signal	Pin	I/O	Signal
1	N/A	GND	26	N/A	TERMPWR
2	I/O	SCSIDATA (0)	27	N/A	GND
3	N/A	GND	28	N/A	GND
4	I/O	SCSIDATA (1)	29	N/A	GND
5	N/A	GND	30	N/A	GND
6	I/O	SCSIDATA (2)	31	N/A	GND
7	N/A	GND	32	I/O	ATN
8	I/O	SCSIDATA (3)	33	N/A	GND
9	N/A	GND	34	N/A	GND
10	I/O	SCSIDATA (4)	35	N/A	GND
11	N/A	GND	36	I/O	BSY
12	I/O	SCSIDATA (5)	37	N/A	GND
13	N/A	GND	38	I/O	ACK
14	I/O	SCSIDATA (6)	39	N/A	GND

Appendix B. SCSI Information B-3