From owner-freebsd-smp Tue Feb 24 15:16:03 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id PAA02490 for freebsd-smp-outgoing; Tue, 24 Feb 1998 15:16:03 -0800 (PST) (envelope-from owner-freebsd-smp@FreeBSD.ORG) Received: from sendero.simon-shapiro.org (sendero-fxp0.Simon-Shapiro.ORG [206.190.148.34]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id PAA02472 for ; Tue, 24 Feb 1998 15:15:57 -0800 (PST) (envelope-from shimon@sendero-fxp0.simon-shapiro.org) Received: (qmail 17201 invoked by uid 1000); 24 Feb 1998 23:22:42 -0000 Message-ID: X-Mailer: XFMail 1.3-alpha-021598 [p0] on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <199802242305.PAA16863@dingo.cdrom.com> Date: Tue, 24 Feb 1998 15:22:42 -0800 (PST) Reply-To: shimon@simon-shapiro.org Organization: The Simon Shapiro Foundation From: Simon Shapiro To: Mike Smith Subject: Re: SMP success on W6-LI Cc: Mark Blackman , freebsd-smp@FreeBSD.ORG Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On 24-Feb-98 Mike Smith wrote: >> >> On 24-Feb-98 Mark Blackman wrote: >> >> ... >> >> > Forgot to mention that that the 4.06 Phoenix BIOS won't let me boot >> > FreeBSD from either the IDE or SCSI hard drive, so I'm compelled >> > to use the floppy just to get things kicked off. This Phoenix >> > BIOS boot problem has been alluded to in a couple of the >> > other mail messages on some of the other lists. It's an >> > annoyance but a tolerable one. >> >> Did you try to low-level format the drives? >> >> The cause is too sinister to verbalize. Try to swap drives beween >> machines >> too. Hint: BIOS-MBR-M$ > > The problem here is most likely actually a known bug in the Phoenix > BIOS core where they fail to correctly initialise the register which > holds the BIOS drive ID of the boot device. > > Because FreeBSD is one of the few operating systems that actually > supports booting any disk using the same bootblock, this causes some > problems. > > Especially when the value that is erroneously inserted is 0 (BIOS drive > ID for the floppy). This is another problem than what I was thinking about. I was thinking about where the BIOS declares (silently) the MBR to be R/O, and only boots Win95, unless you zap the MBR. ---------- Sincerely Yours, Simon Shapiro Shimon@Simon-Shapiro.ORG Voice: 503.799.2313 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message