Tony Nelson wrote:
At 1:10 PM -0500 7/8/05, Mike McCarty wrote:
Tony Nelson wrote:
What happens if the boot floppy contains just a grub bootsector pointing to
the CD? (I don't know, I'm asking.) I think that would qualify as booting
from the floppy as far as the BIOS is concerned. I expect that the CD
would have to be set up for grub booting for this to work, however.
GRUB uses the BIOS to access the discs. So if the BIOS can't read the
CD, then neither can GRUB. If the BIOS could read the CD, then there
wouldn't be a problem, and he could boot off of a used CD as I suggested.
Ack. So "bootable" means the CD is accessable at all through the BIOS, not
whether it can read a bootsector per se.
Not quite. I suppose there could be a BIOS with CD support which did
not also allow Boot from CDROM as an option. I haven't seen any, but
there could be. If that were the case, then having a GRUB floppy which
could lift (using the BIOS) the boot image from the CDROM would
help.
Mike
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