[BSD-INDIA] Jggimi's live media based on OpenBSD 4.5-release

[Arun Sharma]

On Wed, May 6, 2009 at 12:09 AM, Siju George <sgeorge.ml at gmail.com> wrote:

> On Tue, May 5, 2009 at 10:42 PM, Arun Sharma <arun at sharma-home.net> wrote:
> > * Some BIOSes don't support booting from a GPT formatted disk (HP
> laptops)
> >
>
> What about BIOSes that come with the old AMD athalon/sepmron systems?
> Do they support booting from GPT?
>

I suspect the old BIOS still reads the first sector of the hard drive and
jumps into it. I haven't yet looked into how control is transferred to grub
after that. Any mechanism that doesn't look at the legacy partition table
should be ok. There is something called a "protective MBR" on GPT systems
that is designed to prevent tools from messing with GPT data structures.

It seems strange that HP has a patent on this topic!

 -Arun
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