Date: Fri, 21 Nov 1997 18:27:46 -0600 From: David Kelly <dkelly@hiwaay.net> To: obrien@NUXI.com Cc: freebsd-scsi@freebsd.org Subject: Re: SCSI chain problems (probably me) Message-ID: <199711220027.SAA22331@nospam.hiwaay.net> In-Reply-To: Message from "David E. O'Brien" <obrien@NUXI.com> of "Thu, 20 Nov 1997 19:17:13 PST." <19971120191713.22210@relay.nuxi.com>
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> > The back of the tower is a SCSI-1 connector and a SCSI-1--to--SCSI-2 cable > > Can't answer your question, but the above is meaningless. The SCSI-2 > spec allows all types of external cable connectors. So a "SCSI-2" cable > doesn't say much. The only connector I haven't seen in use on a "scsi-2" > device is the old DB-50 (three rows of pins, total of 50). Don't you know that when you say something like that, somebody like me is going to come out of the woodwork? I removed the internal SCSI harness from an external Exabyte 8500C a while back and replaced it with what's commonly called "SCSI-2" connectors and harness. What I removed was exactly the 3-row DB-50 connector you describe. And don't you *know* it came off a Sun 4/470? I recycled the DB-50 connectors by putting them to use connecting (8) 8" IPI drives to an SGI Crimson. 19.5G and lots of heat! Digging thru our SCSI cable box the other day I found external cables with that DB-50 on one end and "SCSI-2" on the other. And found another with a modern 68-pin SCSI connector on the other end. Naturally I couldn't find the cable I was looking for. -- David Kelly N4HHE, dkelly@hiwaay.net ===================================================================== The human mind ordinarily operates at only ten percent of its capacity -- the rest is overhead for the operating system.
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