BIOS upgrading

[John Austin]

On Sun, 2007-10-28 at 17:29 +0900, John Summerfield wrote:
> Michael Wiktowy wrote:
> > On 10/27/07, Mikkel L. Ellertson <mikkel at infinity-ltd.com> wrote:
> >> If you have partition 1 as your /boot partition, and you have
> >> wbiosboot.img as your image file, you can have an entry like this:
> >>
> >> title BIOS update
> >>         root (hd0,0)
> >>         chainloader /wbiosboot.img
> > 
> > I didn't know that grub chainloader was capable of doing this. You
> > mention doing this with a floppy image, is it possible to boot into
> > bootable ISO images this way?
> > 
> > /Mike
> > 
> I think it's an option RH/F doesn't build (grub has a few features not 
> normally included), but properly constructed, grub can read from CD:
> root (cd)
> and even the LAN*
> root (nb)
> 
> 
> * Requires a driver for your NIC, and drivers take RAM and so it's not 
> normally built that way.
> 
> 
> 
> -- 
> 
> Cheers
> John
> 
> -- spambait
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> http://www.catb.org/~esr/faqs/smart-questions.html
> http://support.microsoft.com/kb/555375
> 
> Please do not reply off-list
> 

I'm a bit late replying but the
root (cd)
option is available in F7

I put the kernel and initrd + grub bits on the CD
###################################################
mount -o loop corsair_grub.iso /mnt/zip

naxos ~ 999# ls -lR /mnt/zip
/mnt/zip:
total 4754
drwxr-xr-x 3 ja   sysadmin    2048 2007-10-27 11:25 boot
-r--r--r-- 1 root root        2048 2007-10-27 11:31 boot.catalog
-rw------- 1 root root     2935352 2007-10-27 11:28 initrd-2.6.22.9-91.fc7.img
-rw-r--r-- 1 root root     1927252 2007-10-27 11:28 vmlinuz-2.6.22.9-91.fc7

/mnt/zip/boot:
total 2
drwxr-xr-x 2 ja sysadmin 2048 2007-10-27 11:28 grub

/mnt/zip/boot/grub:
total 126
-rw------- 1 root root    737 2007-10-27 11:28 grub.conf
lrwxrwxrwx 1 root root     32 2007-10-27 11:28 menu.lst -> /home/ja/iso/boot/grub/grub.conf
-rw-r--r-- 1 root root  22647 2007-10-27 11:28 splash.xpm.gz
-rw-r--r-- 1 root root 104924 2007-10-27 11:28 stage2_eltorito
###################################################
I used it last night to boot from a CD and hence to
a USB stick where the laptop BIOS does not see the bootable stick.

John