Xref: utzoo comp.sys.amiga.hardware:6179 comp.periphs:3440
Path: utzoo!attcan!uunet!cs.utexas.edu!convex!egsner!ataritx!dms3b1!caleb!jdp
From: jdp@caleb.UUCP (Jim Pritchett)
Newsgroups: comp.sys.amiga.hardware,comp.periphs
Subject: Re: cabling
Message-ID: <2371.AA2371@caleb>
Date: 26 Jan 91 19:25:38 GMT
Followup-To: comp.sys.amiga.hardware,comp.periphs,scsi
Organization: is sometimes desirable
Lines: 33


In article <1991Jan24.175039.3477@agora.rain.com>
billsey@agora.rain.com (Bill Seymour) writes:

> 	I haven't really cross checked your pinouts, but are you sure you're
> not just looking at two different numbering schemes? The standard 50 pin SCSI
> connector is numbered something like this:
>  01 03 05 07 ...
>  02 04 06 08 ...
> and it's very possible the centronics type connector is numbered like this:
>  01 02 03 04 ...
>  26 27 28 29 ...
> This might account for the pin number differences you see. I know that on my
> 3000, I was able to just use a standard Mac cable from the 3000 to the drive
> case, and a ribbon cable with a 50 pin IDC connector and a 50 pin centronics
> connector crimped on. This implies a 1:1 correspondence between the cables.
> 

Boy, do I feel stupid!  You are correct.  The pins correlate when you account
for the different numbering schemes.  I had noticed that they were different,
but it simply did not register that this accounted for the "differences."

Thank you for pointing out what should have been obvious, but wasn't.


--

                                                Jim Pritchett


UUCP:  texsun.central.sun.com!letni!rwsys!caleb!jdp
 or    spudge.lonestar.org!caleb!jdp
 or    letni.lonestar.org!dms3b1!caleb!jdp