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Re: Booting a floppy disk image?

From: Bean
Subject: Re: Booting a floppy disk image?
Date: Mon, 5 May 2008 00:00:14 +0800

On Sun, May 4, 2008 at 10:16 PM, walt <address@hidden> wrote:
> I'm now using grub4dos to boot a floppy DOS image like this:
>  map --mem (hd0,0)/floppy.img (fd0)
>  map --hook
>  chainloader (fd0)+1
>  rootnoverify (fd0)
>  I'd like to switch to grub2 but so far I can't get it to
>  boot the same image.  I've tried two methods:
>  loopback fd1 (hd0,1)/floppy.img
>  set root=fd1
>  chainloader (fd1)+1
>  or:
>  chainloader (hd0,1)/floppy.img
>  Both methods give the same result:  a typical DOS
>  "missing system, hit any key to reboot" error, but
>  hitting any key does nothing and I have to do a hard
>  reset to reboot.  (BTW, I see the floppy disk drive
>  light come on during the boot.  Should this happen
>  when trying to boot a floppy image?)
>  What am I doing wrong?

GRUB2 doesn't support int 13 emulation yet. However, you can use
memdisk from the syslinux package to archive similar result:

linux (hd0,1)/memdisk
initrd (hd0,1)/floppy.img


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