From owner-freebsd-small  Fri Dec  8 18: 2:37 2000
From owner-freebsd-small@FreeBSD.ORG  Fri Dec  8 18:02:36 2000
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From: Luigi Rizzo <rizzo@aciri.org>
Message-Id: <200012090202.eB922NW34779@iguana.aciri.org>
Subject: Re: non-standard floppy formats ?
In-Reply-To: <200012072203.RAA39082@gta.com> from Larry Baird at "Dec 7, 2000  5: 3:36 pm"
To: lab@gta.com (Larry Baird)
Date: Fri, 8 Dec 2000 18:02:23 -0800 (PST)
Cc: small@FreeBSD.ORG, rizzo@aciri.org
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> I think the problem is in boot1.s of boot2. Look at the function
> read().  The first thing is does is do an int13 call to get the
> BIOS configuration of the floppy.  The result that is causing
> you a problem is "cylinders per track" (returned in register cl).   
> You could hardcode the code after the int13 to set register cl
> to your new floppy geometry.

tried that, but it seems that the bios does not like that.  Probably
(at least on the system i tried) it still checks for the sector
number to be admissible for the geometry it knows.

	cheers
	luigi


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