grub/menu.lst 
default 0
timeout 30

title=Gentoo-LiveCD
 root (hd0,0)
 kernel /isolinux/vmlinuz.gen root=/dev/ram0 init=/linuxrc 
 initrd /isolinux/initrd.gen

title=Gentoo-LiveCD-amd64
 root (hd0,0)
 kernel /isolinux/vmlinu64.gen root=/dev/ram0 init=/linuxrc
 initrd /isolinux/initrd64.gen

title=debian-testing-amd64
 root (hd0,0)
 kernel /isolinux/vmlinu64.deb root=/dev/ram0 rw ramdisk_size=16000 
 initrd /isolinux/initrd64.deb

title=Memtest86+
root (hd0,0)
kernel /isolinux/memtest.bin