On Feb 27, 23:15, Tony Duell wrote: Well, I'm pretty sure I have a spare set of Arthur ROMs; I *should* have two sets of Arthur ROMs plus one set of Arthur EPROMs, from Archimedes A310 Serial No. 27-AKB10-1000002. Which is still running, but now with RISC OS 2.00, and a few extras like a hard disk, extra RAM, and a network connection... If I do have spares, I might be persuaded to exchange them for some 6809 firmware for an Acorn System board. -- Pete Peter Turnbull Dept. of Computer Science University of York