aboot> b /boot/gentoo-2.4 initrd=/boot/gentoo-2.4.igz root=/dev/ram0 init=/linuxrc looptype=zisofs loop=/zisofs noudev devfs cdroot dokeymap console=srm aboot: loading uncompressed /boot/gentoo-2.4... aboot: loading compressed /boot/gentoo-2.4... I don't see anything at this point, which suggests that the srm console support is missing, I think...
Have you tried the 2005.1 livecd?
Have you tried the 2006.0 livecd?
Please test newer Live-CDs as Thomas suggested.