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From: grr@cbmvax.UUCP
Newsgroups: comp.sys.mac,comp.periphs
Subject: Re: Mac+ SCSI port pinout?
Message-ID: <1403@cbmvax.cbmvax.cbm.UUCP>
Date: Fri, 13-Feb-87 02:25:37 EST
Article-I.D.: cbmvax.1403
Posted: Fri Feb 13 02:25:37 1987
Date-Received: Sat, 14-Feb-87 14:03:11 EST
References: <1987Feb10.202610.11345@gpu.utcs.toronto.edu>
Reply-To: grr@cbmvax.UUCP (George Robbins)
Distribution: na
Organization: Commodore Technology, West Chester, PA
Lines: 40
Xref: utgpu comp.sys.mac:1307 comp.periphs:205

In article <1987Feb10.202610.11345@gpu.utcs.toronto.edu> zen@gpu.utcs.toronto.edu (Nick Zentena) writes:
>	
>        Does anybody have a copy of the pinout for the Mac+ SCSI port?
>Or conversly know where it is documented?

Pin	Signal
===	======
1	REQ
2	MSG
3	IO
4	RST
5	ACK
6	BSY
7	GND
8	D0
9	GND
10	D3
11	D5
12	D6
13	D7
14	GND
15	CD
16	GND
17	ATN
18	GND
19	SEL
20	DP
21	D1
22	D2
23	D4
24	GND
25	GND

Note that the MAC+ SCSI interface is said to be a (proper?) subset of the
complete SCSI specification, so it is possible that some SCSI devices may
not be usable with the hardware/software provided...
-- 
George Robbins - now working for,	uucp: {ihnp4|seismo|rutgers}!cbmvax!grr
but no way officially representing	arpa: cbmvax!grr@seismo.css.GOV
Commodore, Engineering Department	fone: 215-431-9255 (only by moonlite)