On Dec 7 2004, 14:59, Brad Parker wrote: probably I'm happy to keep PROM images beside the ROM images (mostly QBus) that I already have; unfortunately my PROM programmer is being uncooperative at the moment (or rather, I think the PC to which it's attached is misbehaving). If anyone wishes to contribute, feel free to email me :-) The only two relevant files I have online at the moment are a list of the PROMs I know about, and the pinouts of the common types: http://www.dunnington.u-net.com/public/DECPROMs/ -- Pete Peter Turnbull Network Manager University of York