Grub Tips

Are you trying to boot Windows from a second hard drive, but it just hangs and nothing happens?

Windows apparently only really supports booting from the first hard drive, but grub can trick Windows by remapping drives:

title Windows
        rootnoverify (hd1,0)
        map (hd0) (hd1)
        map (hd1) (hd0)
        chainloader +1

Source:  http://www.weiqigao.com/blog/2004/01/14/windows_on_the_second_hard_drive_linux_on_the_first.html