> > Also have loose grant card.... > > You mean an M9047? >
Small card, looks like it fits deep in bus. Sorry didn't get number and machine is not accessible at present > > I would start with just the 11/03 CPU and the console card; hook it up to > something, and see if you can get it to talk to the console. (Configure the CPU > to halt, and fall into Console ODT, on power-on.) > Any clues on where I can find pin-outs for making a cable. I have looked at the LSI-11 Systems Service Manual on Bitsavers and it has everything except... > It's probably worth getting one of the various LSI-11 CPU handbooks: > > Microcomputer Handbook (1976-77) > Microcomputer Processors (1978-79) > Microcomputer Processor Handbook (1979-80) > Microcomputers and Memories Handbook (1981) > Microcomputers and Memories Handbook (1982) > > they all cover the quad-width 11/03 CPU. Although they're probably available > online, it's very handy to have a hard-copy one; those are available on eBay and > such. > I will check Bitsavers etc. > That backplane is probably a so-called 'serpentine' backplane, i.e. ones in which > the (dual) slots are numbered: > > 1 2 > 4 3 > 5 6 > 8 7 > > so the console would need to go in '3' if it's the only card other than the CPU (at > least, if you want it to be able to do interrupts). > > Once you get it working in that configuration, you can configure and add the > memory card (if you can figure out what the devil it is ;-). And then the > RX01 controller. > OK will do > The REV-11 isn't needed in this configuration. The boot PROM for this machine > was actually on the card in the /780 CPU, so eventually you'll need a > replacement - something like a BDV11 or something (they are available, and > not too expensive). > I will look for one of those. > > > From: Robert Jarratt > > > The seller said it was indeed out of a 780. > > Yeah, that's what it looks like. > > > I got the impression the 11/23 card was just a spare he had that he put > > in the enclosure, not really part of the original system. > > Actually, an 11/73, but yes, definitely not part of the original system. I don't > know if it will work in that backplane without the backplane being upgraded > from Q18; it might, but that would need some investigation. Well I won't try it until I have the rest working > > Noel Thanks, Dave