timeout=1 menuentry 'SerenityOS (normal)' { root=hd0,1 multiboot /boot/kernel root=/dev/hda1 } menuentry 'SerenityOS (No ACPI)' { root=hd0,1 multiboot /boot/kernel root=/dev/hda1 noacpi } menuentry 'SerenityOS (with serial debug)' { root=hd0,1 multiboot /boot/kernel serial_debug root=/dev/hda1 }