[syslinux] MEMDISK without floppy drive

[H. Peter Anvin]

Patrick J. LoPresti wrote:
> Robert Wruck <robert at rw-it.net> writes:
> 
> 
>>I tried to use memdisk 2.06 to boot a floppy image on my notebook
>>which doesn't have a floppy drive.
>>
>>The boot failed, because the bootstrap code tried to reset the floppy
>>drive (int13, ah=00). Memdisk passes reset calls on to the original
>>int13 handler, which returns failure, because there is no floppy drive
>>to reset (#1).
> 
> I and several of my users (http://unattended.sourceforge.net/) have
> observed this as well.  I have been assuming it was a BIOS problem.
> 

It *is* a BIOS problem, but not a very surprising one.  The answer is
probably to not pass it down to the BIOS if (and only if) MEMDISK is the
only device.

	-hpa