timeout=1 menuentry 'SerenityOS (normal)' { root=hd0,5 multiboot /boot/kernel root=/dev/hda5 } menuentry 'SerenityOS (No ACPI)' { root=hd0,5 multiboot /boot/kernel root=/dev/hda5 acpi=off } menuentry 'SerenityOS (with serial debug)' { root=hd0,5 multiboot /boot/kernel serial_debug root=/dev/hda5 }