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Article #7700Re: Odd problems with Miniscribe 9380S and 3/50
From: Wolfgang S. Rupprecht
Date: Thu, 09 May 1991 23:05
Date: Thu, 09 May 1991 23:05
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KLBY@vax5.cit.cornell.edu writes: >I have a Miniscribe 9380S disk drive that I wish to use with my Sun >3/50. I built a SCSI cable from a db50 and a 50 pin header strip. >First of all, I checked my cable with an ohmmeter, and verified all >the pins went to the right pins. [...] So, my cable did not work with >any drive on any Sun. My drive would work with his cable on his >3/60. His drive would work with his cable on any Sun. Does he have SCSI pin-26 connected in his cable? Do you? Many early model 3/50's shorted SCSI pin 26 to ground. This tended to upset the disks that tried to source +5 onto this pin. The simplest solution was to not hook up pin 26 on Sun SCSI cables. Wolfgang Rupprecht wolfgang@wsrcc.com (or) uunet!wsrcc!wolfgang Snail Mail Address: Box 6524, Alexandria, VA 22306-0524
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!cunews!bnrgate!brchh104!brchs1!bnr.ca!rice.edu!sun-spots-request From: wolfgang@wsrcc.com (Wolfgang S. Rupprecht) Newsgroups: comp.sys.sun Subject: Re: Odd problems with Miniscribe 9380S and 3/50 Keywords: Hardware Message-ID: <2769@brchh104.bnr.ca> Date: 9 May 91 23:05:00 GMT Sender: news@brchh104.bnr.ca Organization: Sun-Spots Lines: 16 Approved: Sun-Spots@rice.edu X-Original-Date: Mon, 29 Apr 1991 16:08:23 GMT X-Refs: Original: v10n90 X-Sun-Spots-Digest: Volume 10, Issue 98, message 7 X-Note: Submissions: sun-spots@rice.edu, Admin: sun-spots-request@rice.edu