[syslinux] memdisk fails to boot HD image, if the system does not have an HD

[Mikey Sklar]

On Wed, Jan 26, 2005 at 11:00:59AM -0800, H. Peter Anvin wrote:
> Hmmm... DOS is hideously dependent on poking magic values in various 
> BIOS locations.  Unfortunately I don't think I'll have time to rip apart 
> a system to run without HD any time soon, although I might be able to 
> turn the HD controller off in the BIOS.
> 
> Unfortunately, it's likely to still be BIOS-dependent, and you didn't 
> give any BIOS details.

HS20-8843 IBM groucho blade has a known issue with certain BIOS flash
utility prevening DOS PXE images from loading or SCSI controllers from
working. BIOS 9B (aka v1.01) or higher from IBM resolves this.