BTW, availability of preliminary MPC7450 User Manual has been announced on the AltiVec mailinglist: http://e-www.motorola.com/brdata/PDFDB/MICROPROCESSORS/32_BIT/POWERPC/MPC7XX/MPC7450UM.pdf (Just in case anyone already wants to look into it.) Holger ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/