I have a decserver 550 CPU converted to a real KDJ. It's as simple as new ROMS and one resistor. I also removed the s-box bracket to fit my chassis. Runs BSD 2.11 just fine (RQDX3 disks)
Joe > On Oct 19, 2015, at 12:28 PM, jwsmobile <j...@jwsss.com> wrote: > > I would appreciate thoughts on the conversion of the processor to normal > PDP11 eproms. > > The page pointed to earlier has a mention of that too, but the poster had > access to another "real" KDJ and I am guessing copied that. > > I don't have access to any version of the system with appropriate eproms and > would appreciate any pointers to the binaries needed. > > As to the condition most of the material is the result of moving it from > where it was stored. It will be totally disassembled and tested before being > brought back up. There is about 5 or 6 large deep freeze (for reference) > sized piles of material being sent for e-waste from the place that is pretty > much just junk material under the weather. > > Think of this as a Dusenberg rescued from a barn though. > > thanks for all the suggestions and observations. > > Next thing to go over is a Sun 4/260 "mini" tower. Gads those were heavy. > Back is still aching from moving that. > > Jim > >> On 10/19/2015 7:32 AM, Ethan Dicks wrote: >>> On Mon, Oct 19, 2015 at 3:42 AM, Pontus Pihlgren <pon...@update.uu.se> >>> wrote: >>> Interesting. I thought Tthe DECserver 550 was merely the big brother in >>> the terminal server line. But it looks like it is essentially a >>> PDP-11/53 with 1.5MW of ram, you need new boot roms though. Pretty nice. >> Yep. It's essentially an S-box KDJ11 with different ROMs. I happen >> to have a CPU board from one, but not the box itself. >> >> One of these days, I plan to burn "real" PDP-11 ROMs and bring 2.11BSD >> up on mine. That and my Pro380 are my only KDJ11 machines. >> >> -ethan >> >> >
