[Noisebridge-discuss] bios sees hard drive, but won't offer it as a boot option

travis+ml-noisebridge at subspacefield.org travis+ml-noisebridge at subspacefield.org
Mon Jan 17 14:29:22 PST 2011


On Mon, Jan 17, 2011 at 11:24:00AM -0800, Michael Shiloh wrote:
> (I should point out that after booting Linux from a live CD, I had no 
> trouble seeing, mounting, and installing to the hard drive.)

Because then the Linux kernel is doing the access to the ATA chipset,
and not the BIOS.

The BIOS is only relevant for booting, and in MS-DOS, and maybe SMM
mode.

One thing you can do is boot off something else, get into a Linux
kernel (and initrd?), and then mount root off the IDE drive.  I don't
think you'll be able to do it with GRUB, since I think GRUB goes
through the BIOS routines to load the kernel.  The BAHA list archives
have some emails about booting off thumb drives - see the encrypted
storage notes from last meeting.

http://baha.bitrot.info/
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