[5481] in linux-scsi channel archive
Re: Help with SCSI card
daemon@ATHENA.MIT.EDU (Eric Hegstrom)
Wed Dec 23 17:36:22 1998
Date: Wed, 23 Dec 1998 15:14:50 -0700
From: Eric Hegstrom <ehegstrom@sonoranscanners.com>
Reply-To: ehegstrom@sonoranscanners.com
To: Kurt Garloff <garloff@kg1.ping.de>
CC: Rasana Atreya <rasana@flowerpot.corp.sgi.com>, linux-scsi@vger.rutgers.edu
Kurt Garloff wrote:
> > IMHO the only way to go is to use the adatpor to hang it off the scsi
> > and us an external wide terminator as in:
> >
> > ___________
> > ____ | wide |
> > PC | 68 pin wide |terminator|
> > |----------+----------+--------------+--------------| |
> > |----------|-+--------|-+------------|-+------------| |
> > | | | | | | | |__________|
> > ___| | | | | | |
> > __|_|___ __|_|___ __|_|____
> > | wide | | wide | | 68 to |
> > | HD | | HD | | 50 pin |
> > |______| |______| | adaptor|
> > |________|
> > |
> > ____|_____
> > | narrow |
> > | (ZIP?) |
> > | device |
> > |________|
>
> This is a bit dangerous, as you created a T-like connection for the ZIP
> drive. It might work, if the cable length between the connection to the main
> line and the ZIP is very short.
>
> If your 68 to 50 adapter does fancy things such as ground lines, you're lost
> in any case.
>
> So, get a good 68 to 50 (i.e. with act. termination) and use the above setup.
Well I guess I was thinking of all these devices being internal and then
using one of those 68 to 50 pin header adaptors like I use on my CD. The
ones that are about 1/2 inch thick.
cheers,
eric
--
Eric Hegstrom tele: 520-617-0072 x402
Sonoran Scanners, Inc. email: ehegstrom@sonoranscanners.com
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