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

Michael Shiloh michaelshiloh1010 at gmail.com
Mon Jan 17 19:25:55 PST 2011


I'd be very surprised if this old machine could boot off of USB, but 
it's worth a try.

On 01/17/2011 02:29 PM, travis+ml-noisebridge at subspacefield.org wrote:
> 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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-- 
Michael Shiloh
KA6RCQ
www.teachmetomake.com
teachmetomake.wordpress.com


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