[syslinux] Failure to boot isohybrid image from USB stick

[H. Peter Anvin]

Thomas Schmitt wrote:
> 
> But the computer ignored the USB stick before
> i negociated with the Promise BIOS while the
> USB stick was in.
> From then on, the computer reacted on USB stick
> either by booting from FAT or by stalling on ISO+MBR.
> 
> So the Promise BIOS is in some way involved.
> 
> I know that an identical Promise controller reliably
> prevented booting from a SATA disk in another computer.
> It appears not so much as extension but as occupant.
> 
> My reason for having it was to operate three DVD
> drives and a hard disk simultaneously without clogging.
> Meanwhile that computer serves as retirement home for
> half blind IDE burners.
> 

OK, oh joy, you have one of *those* Promise BIOSes.  Promise definitely 
did something utterly weird at some point, which caused severe issues 
across the whole system.

> Will it suffice to replace /boot/isolinux/isolinux.bin
> in the RIP-7.0 image or will i have to learn how
> to build own bootable systems ?
> (What's the best quick guide for dummie programmers ?)

That should be all.

	-hpa