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Date:      Mon, 27 Apr 1998 19:02:53 -0700 (PDT)
From:      "Jason C. Wells" <jcwells@u.washington.edu>
To:        "Mike O'Brien" <obrien@rush.aero.org>
Cc:        questions@FreeBSD.ORG
Subject:   Re: Adaptec 1542 vs. 2940 geometries?
Message-ID:  <Pine.BSF.3.96.980427190053.1001A-100000@s8-37-26.student.washington.edu>
In-Reply-To: <199804272106.OAA04938@anpiel.aero.org>

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On Mon, 27 Apr 1998, Mike O'Brien wrote:

>	Do the Adaptec 1542 and the 2940 translate disk geometries differently?
>My 1542 died and, not having a spare, we plugged a 2940 into the machine.  It
>didn't seem to work too well (like, things went nuts after trying to start the
>boot program) so we were wondering if the 1542 and the 2940 use different disk
>geometry translations?

The 2940 requires DMA busmastering. Does your PCI bus support this? My
2940 works, but I can't boot from it because fo motherboard
incompatibilities. Perhaps your problem is similar.

What do you mean by, "Went nuts?"

Thank you,       | Try some of this. It will show you where you're at.
Jason Wells	 | http://www.freebsd.org/


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