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SubjectRe: PROBLEM: floppy motor spins when floppy module not installed
On Fri, Dec 12, 2003 at 05:27:45PM +0100, M?ns Rullg?rd wrote:
> Petr Vandrovec <> writes:
> > On Fri, Dec 12, 2003 at 04:33:57PM +0100, M?ns Rullg?rd wrote:
> >>
> >> I'm running 2.6.0-test11 on a machine with modular floppy driver,
> >> without any spinning motors. I think it boots from floppy before HD,
> >> but I'm not certain (can't check right now).
> >
> > Maybe because you run patched LILO which works around this 2.6.x
> GRUB, actually. Does it mess with the floppy drive?

AFAIK yes:


New in 0.5 - 1998-08-20, Erich Boleyn:

* GRUB now shuts off the floppy before transferring control to any
other programs/modules/loaders. (chain-loading doesn't matter here,
just loading 32-bit modules/kernels)


* stop_floppy()
* Stops the floppy drive from spinning, so that other software is
* jumped to with a known state.
movw $0x3F2, %dx
xorb %al, %al
outb %al, %dx

Petr Vandrovec

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