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From: "Natalia Portillo" <claunia@claunia.com>
Subject: RE: [Qemu-devel] Re: BIOS behaves different as real BIOS
Date: Sat, 17 Jul 2004 07:45:36 +0100
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To: blp@cs.stanford.edu, qemu-devel@nongnu.org

Excuse me, where are the CMOS RAM values in qemu :?=20

> -----Mensaje original-----
> De: qemu-devel-bounces+iosglpgc=3Dteleline.es@nongnu.org=20
> [mailto:qemu-devel-bounces+iosglpgc=3Dteleline.es@nongnu.org]=20
> En nombre de Ben Pfaff
> Enviado el: s=E1bado, 17 de julio de 2004 7:40
> Para: qemu-devel@nongnu.org
> Asunto: [Qemu-devel] Re: BIOS behaves different as real BIOS
>=20
> "Natalia Portillo" <claunia@claunia.com> writes:
>=20
> > I think that this is because the BIOS searches for the 0x55AA=20
> > signature on last two bytes of first sector of disk.
> > As far as I remember, this signature was introduced very=20
> lately and as=20
> > far as I tested on my real systems, this signature is not really=20
> > searched at boot time, and every DOS before 3.0 doesn't=20
> have it (it is=20
> > used also by later DOSes and Windows to identify a FAT=20
> filesystem), at=20
> > least on floppies
>=20
> You can disable the signature check by setting byte 0x38 in=20
> the CMOS RAM to a nonzero value.
> --
> "...In the UNIX world, people tend to interpret `non-technical user'
>  as meaning someone who's only ever written one device driver."
> --Daniel Pead
>=20
>=20
>=20
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