this is grub legacy not grub2 good for xp and vista
title Microsoft XP
root (hd0,1) #points to sda1
dsl has grub and if you install it you can do a grub install it will read your drive most likely set up your windows for you.
it will be loacated /boot/grub/menu.lst
use the MBR for grub install this will then boot into a grub menu.
here you go DSL tutorial for it