[8523] in linux-scsi channel archive
Re: Fast Wide vs Ultra Wide
daemon@ATHENA.MIT.EDU (Mr. James W. Laferriere)
Tue Apr 4 00:01:26 2000
Date: Mon, 3 Apr 2000 20:58:32 -0700 (PDT)
From: "Mr. James W. Laferriere" <babydr@baby-dragons.com>
To: Matthew Dharm <mdharm-scsi@one-eyed-alien.net>
Cc: The Linux SCSI list <linux-scsi@vger.rutgers.edu>
In-Reply-To: <Pine.LNX.4.10.10004031500170.15807-100000@ziggy.one-eyed-alien.net>
Message-ID: <Pine.LNX.4.21.0004032055060.2341-100000@filesrv1.baby-dragons.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Hello Matthew,
On Mon, 3 Apr 2000, Matthew Dharm wrote:
> Interesting... according to all these responses, I should be able to use
> this hardware.
> For reference, I'm not using newer drives. This is all second-hand
> equipment.
> I've got a Mylex DAC960PD (Fast Wide controller) and some older-looking HP
> SureStore 2000S (C2940) Ultra Wide drives. I've tried multiple cables and
> multiple terminators, both active and passive.
A rule of thumb I apply to HP , "if it's wide, it's DIFFERENTIAL .'
There were some -very- early drives that HP put out that are
Singel ended , but if my memory serves they were not wide .
> Basically, tho, none of the drives work. The diagnostics for the DAC960PD
> indicate a "cable error" that has to do with parity. This only occurs
> with a device plugged in. No combinations of just cables and terminators
> will cause this to happen.
> Unfortunately, I don't have any known-good 68-pin SCSI-II drives to test
> with. Does anyone have any ideas where would be a good place to go next?
> Matt Dharm
Hth, JimL
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| James W. Laferriere | System Techniques | Give me VMS |
| Network Engineer | 25416 22nd So | Give me Linux |
| babydr@baby-dragons.com | DesMoines WA 98198 | only on AXP |
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