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Date:      Thu, 13 May 1999 03:37:00 -0400
From:      James Porter <webmaster@aeonflux.net>
To:        freebsd-scsi@FreeBSD.ORG
Subject:   Adaptec 2940UW PCI Controller BIOS rev 1.34.3
Message-ID:  <3.0.5.32.19990513033700.01c38a50@aeonflux.net>

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I've searched around the archives for a solution to a now 
critial problem for us here.  We're a small ISP and use
lowly Intel PC's with UW SCSI's.  We have been running
fine under a wide range of FreeBSD verions over the last
2 years from 1.2.1 through 3.1r.  In the past we had
encountered an apparently unreferenced problem when trying
to use AHA 2940UW bios revisions higher than 1.26 which 
caused the controller to either never load our drives or
spend forever doing SCSI BUS Resets on Channel A.

Our solution was simply to keep location BIOS rev 1.26
controllers.  Unfortunately this has now become impossible.
We had hoped that 3.1R would correct this problem but we
have found it hasn't.  And the only card Adaptec is shipping
or that anyone has on their shelves now is BIOS rev 1.34.3.
And it generates the same problem with or without a drive
attached.  We even tried setting an EIDE boot drive and then
adding the controller with or without drive and it still hangs.

Is there a solution or fix out there because this is a critical
problem now for us.

James Porter


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