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Date:      Wed, 17 Oct 2001 16:07:38 +0100 (BST)
From:      Thomas Dixon <thomas@vbc.net>
To:        John Baldwin <jhb@FreeBSD.org>
Cc:        Thomas Dixon <thomas@vbc.net>, hackers@FreeBSD.org
Subject:   RE: Problems with booting of CD-ROM (fwd)
Message-ID:  <Pine.BSF.4.10.10110171606030.394-100000@brunel.uk1.vbc.net>
In-Reply-To: <XFMail.011016103421.jhb@FreeBSD.org>

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On Tue, 16 Oct 2001, John Baldwin wrote:

> 
> On 16-Oct-01 Thomas Dixon wrote:
> > I'm trying to make a bootable CD using the cdboot program that come with
> > freeBSD in /sys/i386/boot/cdboot.  The computer I'm trying to do this on
> > definately boots other CDs as it has booted several other CDs.  However
> > using a CD I've made using mkisofs and cdboot it gives the error;
> >  
> >       Your BIOS int 0x13 extensions seem to be disabled.
> >       It's impossible to boot a CD-ROM without them.
> >       (BIOS int 0x13 fn 0x4b01 yielded error 1)
> >  
> > I'm using an Asus P5A motherboard, there appears to be no way to enable
> > the int 0x13 extensions in the BIOS and there is nothing in the manual
> > that refers to these.
> > 
> > Any ideas why this error is coming up or how to fix it?
> 
> Don't use cdboot or cdldr, they don't qutie work yet. :(
> 
> Instead, make a floppy image and use that to boot.
> 
I've tried this and I couldn't figure out the syntax for loader.rc to load
the file system from the cd-rom, any ideas?

- Tom


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