Для x86_64 версии пробуй так:
Код
title ArchBang Linux [Openbox]
map /Boot/ArchBang.iso (0xff)
map --hook
uuid ()
kernel (0xff)/arch/boot/x86_64/vmlinuz archisolabel=ARCHBANG earlymodules=loop img_dev=/dev/disk/by-uuid/%?_UUID% img_loop=/Boot/ArchBang.iso archisodevice=/dev/loop0 copytoram=y
initrd (0xff)/arch/boot/intel_ucode.img (0xff)/arch/boot/x86_64/archiso.img
title Run ArchBang from Ram [Openbox]
map /Boot/ArchBang.iso (0xff)
map --hook
uuid ()
kernel (0xff)/arch/boot/x86_64/vmlinuz archisolabel=ARCHBANG earlymodules=loop img_dev=/dev/disk/by-uuid/%?_UUID% img_loop=/Boot/ArchBang.iso archisodevice=/dev/loop0
initrd (0xff)/arch/boot/intel_ucode.img (0xff)/arch/boot/x86_64/archiso.img