> As you see, you can just chainload windows NT partition. After you have
all
> needed files in /grub, install GRUB like this:
>
> # grub-install --root-directory=/ '(hd0,0)'
>

I made an error while typing this reply. If you issue
# grub-install --root-directory=/ '(hd0,0)'
You will erase and install Grub on the boot sector of the first partition of
(hd0).

You should run this command to install grub in the MBR:
# grub-install --root-directory=/ '(hd0)'

Philippe