From owner-freebsd-hardware Mon Apr 20 23:53:33 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id XAA10255 for freebsd-hardware-outgoing; Mon, 20 Apr 1998 23:53:33 -0700 (PDT) (envelope-from owner-freebsd-hardware@FreeBSD.ORG) Received: from sos.freebsd.dk (sos.freebsd.dk [195.8.129.33]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id GAA10244 for ; Tue, 21 Apr 1998 06:53:25 GMT (envelope-from sos@sos.freebsd.dk) Received: (from sos@localhost) by sos.freebsd.dk (8.8.8/8.8.8) id IAA01303; Tue, 21 Apr 1998 08:53:07 +0200 (MEST) (envelope-from sos) Message-Id: <199804210653.IAA01303@sos.freebsd.dk> Subject: Re: best wdc0 flags ? In-Reply-To: <353BC450.D30240AB@tdx.co.uk> from Karl Pielorz at "Apr 20, 98 10:55:28 pm" To: kpielorz@tdx.co.uk (Karl Pielorz) Date: Tue, 21 Apr 1998 08:53:06 +0200 (MEST) Cc: mike@smith.net.au, hardware@FreeBSD.ORG From: Søren Schmidt Reply-to: sos@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL30 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Sender: owner-freebsd-hardware@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org In reply to Karl Pielorz who wrote: > Mike Smith wrote: > > > Try taking Soren's advice and cutting your BIOS back to mode3 PIO. He > > has actual experience with these drives, so I'd be inclined to take his > > word for it. > > I thought the BIOS config was overwritten by the wd device as it came up? - > i.e. setup every time? - In fact I thought a lot of the BIOS stuff was just > ignored anyway - and rediscovered at probe time or overwritten by the Kernel > (e.g. floppy drive type etc.) Hmm, not really, the timing selected stays.. > > Of course I do have one complicating factor... None of the drives appear in > the BIOS - if I set them in the BIOS to anything else other than 'Not > installed' the system won't boot off my SCSI drive (sd0) - the IDE's were an > afterthought (and the BIOS doesn't have a 'Boot from SCSI' option :-( Give the sucker a new BIOS :), all respectable manufactures has an upgrade for this... > If DMA is avoiding all the problems I'm probably going to leave it be... I > have another machine to setup soon - pure IDE - and suprise, suprise - it's > also getting a 4.3Gb SE - I'll try out the different BIOS options on that... > (It's also 440FX)... Nope, it will get even WORSE with DMA, you will get serious disk corruption if the timing is too fast, been there tried that, junked those Quantums :( -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Søren Schmidt (sos@FreeBSD.org) FreeBSD Core Team Even more code to hack -- will it ever end .. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message