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RE: tlug: Fast/Ultra SCSI compatibility

tlug note from Tim Meggs <>
From: (John Little)
Subject: RE: tlug: Fast/Ultra SCSI compatibility
Date: Fri, 11 Apr 1997 11:54:28 +0900

> tlug note from (John Little)
>   If you put the narrow devices on the end of the chain it should 
>   work. Many of the newer wide devices have automatic termination
>   for both halves of the wide bus. When a narrow device is added, the
>   wide device will terminate the unused half and pass through signals
>   to the narrow device on the other half. I've done this with Sun
>   equipment, but I don't have any experience with PC based F/W controllers.

FWIW we have the opposite set up here on an old HP 715/50 and SPAR LX, both of 
which have a std SCSI2 (I assume) ports.    We added the wide ultra SCSI
devices at the end of the narrow devices (aka chain) so that they could 
be terminated properly (I think both required external termination).   No
problems in either case.
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