10localboot_bios.cfg

if [ "$grub_platform" = "pc" ]; then
  menuentry $"Boot from hard drive" --id 'harddisk' {
    insmod part_msdos
    insmod chain
    set oldroot="$root"
    if [ "$root" = hd0 ]
    then set root=(hd1)
    else set root=(hd0)
    fi
    chainloader +1
    set root="$oldroot"
  }
fi