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Re: [Bug-grub] Booting DOS from a floppy image

From: Dr A V Le Blanc
Subject: Re: [Bug-grub] Booting DOS from a floppy image
Date: Sat, 16 Sep 2000 09:22:21 +0100

I wrote:
> It seems to me that any existing netbootable image should work,
> although I don't know whether GRUB itself or the boot code in the
> image needs to replace the int 13H handler.  But there must be some
> way of doing this.  Would it mean adding an extra 'kernel' format
> to GRUB to allow it to load a bootable floppy image?

On Sat, Sep 16, 2000 at 02:53:15PM +0900, OKUJI Yoshinori wrote:
>  No. Instead, you should add a command (e.g. "nbi") to load Network
> Boot Images. I don't think that would be difficult, because you just
> need to load a NBI to upper memory, analyze the header, relocate the
> image, and chainload the bootstrap code. That is very similar to what
> the command chainloader does.

I'll try this and see if I can get it to work.  Loading and chainloading
should not be a problem, but what exactly do you mean by 'analyse the
header'?  And is it really necessary to relocate the image?  Booting
I understand, generally, but not network booting.

     -- Owen

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