[syslinux] Problem with memdisk and DOS on USB

[H. Peter Anvin]

Jérôme Poulin wrote:
>> For a hard disk image I would have guessed geometry issues, but for a
>> floppy image the only geometry used should be the one encoded in the
>> filesystem image.  This is rather puzzling.
>>
> 
> Week end finally, I was able to make some test, booting my USB key
> under VMWare using it as a Hard Disk (/dev/sdb), it boots DOS 6.22
> correctly! With and without safeint.
> However, my Windows ME copy is now blocking at "Starting Windows
> Millennium Emergency Boot...", not that I care much about ME, but now
> I'm wondering if I made everything OK, if needed I can make an image
> copy of my USB key.
> The partition I boot from is FAT32, I forgot to mention.
> 

WinME (and WinXP, the DOS of which is ME) require "raw", "bigraw" or 
possibly "safeint"; this is due to what can best be described as a land 
mine in the ME code.

	-hpa