DoC + GRUB booting problem

Russ Dill Russ.Dill at
Fri Apr 11 21:30:34 EDT 2003

>          The bootloader is definitely the M-Sys BIOS extension.  My 
> impression is that for DoC 2000s, the BIOS extension is in a ROM that can't 
> be changed.  I am still trying to verify that, but if its true, I have to 
> deal with it.  If it can be changed, like in a DoC Millenium, I could be in 
> business.

its not a ROM, its the first page of the DOC. Grub changes it over to
looking like a network boot rom (as apposed to looking like a hard disk)

> So far, I have only used DFORMAT as described in the GRUB/MTD Readme_doc 
> file.  I haven't tried using doc_loadbios yet, but if the BIOS extension 
> code is in ROM, I will still have to change its checksums to get it to 
> load.  Since M-Sys hasn't told me (yet) what format DFORMAT expects from 
> binary files, doc_loadbios may indeed be the best way to proceed.

I always use doc_loadbios, just don't forget to make sure there is
enough space before the NTFL

Russ Dill <Russ.Dill at>

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