Re: Can SS20 take SCSI3 disks ?

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#2693

From: James Lockwood
Date: Mon, 21 Feb 2000 00:00

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Dr. David Kirkby (davek@medphys.ucl.ac.uk) wrote:
: Craig Dewick wrote:
: 
: > I think it's only the Ultra-1/140E, 1/170E and the Ultra-2's which had wide
: > SCSI on-board, so they probably do run a 16 bit SCSI data bus to the SCA
: > cage.
: 
: Does the Ultra 1 -140 have wide scsi ? I know they bought one of those
: wide-scsi/100baseT ethernet cards at work to fit in an Ultra 1, so I assumed that
: it too only has narrow SCSI.

The Ultra 1 series has fast/narrow SCSI, 10 megabit ethernet, and 3 sbus
slots.  The Ultra 1E series has fast/wide SCSI, 100 megabit ethernet, 2 sbus
slots, and a UPA slave slot for a Creator card.  They are two distinct
models.  The Ultra 1/200E also has wide SCSI onboard, of course.

This is actually less important than you might think with only the system
drive installed.  The drive that can sustain more than 10MB/s is still
relatively uncommon, the benefits of faster SCSI busses are mainly realized
when multiple drives are attached.

-James

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From: james@foonly.com (James Lockwood)
Subject: Re: Can SS20 take SCSI3 disks ?
Date: 2000/02/21
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