Messages in this thread | | | Date | Fri, 12 Dec 2003 16:00:00 +0000 (GMT) | From | Matthew Kirkwood <> | Subject | Re: PROBLEM: floppy motor spins when floppy module not installed |
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On Fri, 12 Dec 2003, Måns Rullgård wrote:
> > It is not a broken BIOS! The BIOS timer that ticks 18.206 times per > > second has an ISR that, in addition to keeping time, turns OFF the FDC > > motor after two seconds of inactivity. This ISR is taken away by > > Linux. Therefore Linux must turn off that motor! It is a Linux bug, > > not a BIOS bug. Linux took control away from the BIOS during boot. > > OK, but why doesn't it affect all machines?
Most likely, other machines take longer than two seconds from probing the floppy to booting the kernel.
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