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Date:      Mon, 2 Nov 1998 21:32:44 +0200
From:      "Liviu Ionescu" <Liviu.Ionescu@Romania.EU.net>
To:        <freebsd-scsi@FreeBSD.ORG>
Subject:   BIOS inits? (was RE: AIC-7895 and 20.0MB/s transfers)
Message-ID:  <000001be0697$9198ef60$0395e2c1@ilg-mobile>
In-Reply-To: <199811011344.FAA09108@implode.root.com>

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>    BTW, I just changed the Adaptec BIOS setting for the
> maximum negotiation
> speed to 20MB/sec, rebooted, and then changed it back to
> 40MB/sec, and now
> FreeBSD sees the drive okay at 40MB/sec. Strange.

(not as a contribution to this thread, but more as a general issue)

what do you think, is it safe to rely on BIOS inits/board-status for IO
device settings? wouldn't it be better to completely ignore them and set
everything at driver init time or, when necessary, at rc startup time?

in this case everything will be under our control, and subtle interactions
with BIOS or even other operating systems running accidentally on the same
machine will be minimized.

as a side effect remote administration will also be improved (our servers
have 'faceless' serial consoles only, and I would really like not to have to
plug in any monitor/keyboard to configure them...)


regards,

Liviu Ionescu





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