Re: Booting from DOC2000 with GRUB loader

Russ Dill
2002-05-02T09:32:25Z

On Thu, 2002-05-02 at 00:47, John Sutton wrote:
> Hi again
>
> Many thanks for all that feedback! Definitely a positive consensus
> about the units for start_offset ;-)
>
> Jasmine suggests that I should leave some extra after the end of grub for
> future expansion, which seems a good idea, but raises in my mind the
> question as to how grub (or anything else) knows where the nftl partition
> starts? Does nftl_format also write a pointer to the start block
> somewhere else? Or does the format contain some kind of signature?

just sure to erase any unused sectors.

nftl looks for a media header signiture

> Re the suggestions as to how to recover from an unbootable system! To
> an old fool like me, the idea of pushing a chip into a live board makes my
> hair curl! Anyways, I hope it doesn't come to that as it would in my case
> be extremely difficult, if not impossible - I'm using an SBC plugged into
> a passive backplane and the DoC socket is right at the bottom next to the
> edge connector ;-(

maybe something in bios could help (shadow regions, etc)