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Re: Any preferences for PCI SCSI controllers? Or is this a religious issue?

daemon@ATHENA.MIT.EDU (kagel@quasar.bloomberg.com)
Wed Jan 29 09:42:51 1997

Date: 	Wed, 29 Jan 1997 09:28:48 -0500
From: kagel@quasar.bloomberg.com
To: groudier@club-internet.fr
Cc: linux-scsi@vger.rutgers.edu
In-Reply-To: <Pine.LNX.3.91.970128213639.169B-100000@localhost> (message from Gerard Roudier on Tue, 28 Jan 1997 22:02:17 +0000 (GMT))
Reply-To: kagel@dg1.bloomberg.com

   Date: Tue, 28 Jan 1997 22:02:17 +0000 (GMT)
   From: Gerard Roudier <groudier@club-internet.fr>

   On Mon, 27 Jan 1997 kagel@quasar.bloomberg.com wrote:

   >    On Mon, 27 Jan 1997 kagel@quasar.bloomberg.com wrote:
   > 
   >    > 
   >    > I had a Tyan 1365 (NCR825) Wide SCSI controller which was working OK but it
   >    > seems to have a cold lead somewhere and I will be exchanging it with the 
   >    > dealer.  I have the opportunity to upgrade now to an ULTRA-WIDE controller.
   >    > Does anyone have any strong recommendations for or against the:
   >    > 
[SNIP]

   I used a TYAN S1365 (825 rev 2) six months without problem.
   Since 2 months I use a Promise SCSI Ultra (875 rev 3) and no problem 
   so far.
   In my opinion, the source of your problem is not due to the design of 
   the TYAN board, but:

   - It is perhaps broken, and you can just exchange it for another one.

Yes, as I stated, the controller works great when it works.  I believe that the
particular board I have has a cold solder lead somewhere and so I am returning
it to the dealer.  The dealer offered to replace it with the same or other
board and this is an opportunity to upgrade to an Ultra-Wide controller.  When
I bought the I did not realize how few regular and wide SCSI-2 drives where
being manufactured now that Ultra-SCSI (SCSI3?) has been accepted and since the
price differential between wide-SCSI2 and Ultra-SCSI drives is small I thought
I'd gain support for the next generation of disks to boot.

   - Your box is not correctly cooled and you will perhaps have same 
     problem with a different board.

Output air, CPU and all other components are cool except for one of my two
drives.  The machine not only locks up regardless of which drive I try to
access, and operates fine until some disk access is attempted, but, during
reboot the machine hangs in the middle of displaying the BIOS header and card
data.  This is why I suspect the controller card rather than the one hot disk.

   - Or the problem is elsewhere...

Sure hope not.  However, I am also looking to replace the hot drive in case.

   The scsi board I prefer is obviously the one I bought.
   Unfortunately for you, it is not in your wishing list. :-)
   In any case, being given that boards you mention have about same 
   performance and very similar prices (at least in France), you should 
   base your decision on driver maturity.

Thanks for the help.

-- 
Art S. Kagel, kagel@quasar.bloomberg.com

A proverb is no proverb to you 'till life has illustrated it.  -- John Keats

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