reply to AMS: The only non compliant (major) chip ATM is the MACH logic chip. It is not available in the current package, but is in a larger one. Hence a board re-layout is needed. In the fullness of time this will obviously happen.
reply to MRTD: a) basically, little if you are happy as you are. b) mods are needed for iyonix linux for the new card. these are in hand (once I can actually rebuild the current kernel from formally supplied sources)