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

H. Peter Anvin hpa at zytor.com
Thu Jan 27 15:54:01 PST 2005

Mikey Sklar wrote:
> 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.

That sounds basically like the BIOS didn't let additional software 
install hard disk drivers correctly.  That would have that problem, all 


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