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From: bob@obiwan.uucp (Bob Willcox)
Subject: Re: PCI SCSI for NETBSD
References: <baier.2.000933A6@risc1.ccso.cim.ch> <michaelv.761882391@ponderous.cc.iastate.edu> <CLuvGu.5Lv@flatlin.ka.sub.org> <michaelv.762403965@ponderous.cc.iastate.edu>
Organization: Bob's Place, Austin TX
Date: Wed, 2 Mar 1994 00:19:17 GMT
Message-ID: <CM0GwJ.2Av@obiwan.uucp>
Lines: 46
In article <michaelv.762403965@ponderous.cc.iastate.edu>,
Michael L. VanLoon <michaelv@iastate.edu> wrote:
[bunch of stuff deleted...]
>In <CLuvGu.5Lv@flatlin.ka.sub.org> bad@flatlin.ka.sub.org (Christoph Badura) writes:
>>The fact that older as well as recent adaptors work flawlessly with
>>Julian's code makes me wonder what this alleged change in firmware
>>would be about.
>
>But recent adaptors *don't* work flawlessly with Julian's older code
>(which is what NetBSD is currently using).
Hmm, I have a BT-742A (revsion H, version 3.2, about 6 months old)
and two BT-747S's (don't know revsion, version 3.3, about 2 months
old) running here on obiwan with FreeBSD 1.0.2 and have had no
problems. Do these qualify as ``old'' or ``recent''?
[bunch more stuff deleted...]
>
>They use extra cycles where necessary. They don't burn an
>extraordinary number of cycles. Overall, they should be more
>efficient than the older driver since they don't scan *every* mailbox
>anymore -- only the busy ones until an empty one is found.
Should I expect these changes to work with my cards?
>
>>I'd very much like to hear a detailed explanation of the new behavior
>>and why your mods fix it.
>
>What more can I say? Look at the driver in NetBSD. Remember the
>driver in FreeBSD is not the same (if that's where you looked).
>
>--
>------------------------------------------------------------------------------
> Michael L. VanLoon Project Vincent Systems Staff
> michaelv@iastate.edu Iowa State University Computation Center
>------------------------------------------------------------------------------
--
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