On Sat, Mar 31, 2018, 4:26 PM Glen Slick via cctech <cctech@classiccmp.org> wrote:
> On Sat, Mar 31, 2018 at 9:04 AM, Bill Degnan via cctech > <cctech@classiccmp.org> wrote: > > > > FYI - Not sure if I mentioned this but I too am working on setting up a > > DECServer 550 to be an 11/83. Useful tips recently, thanks all. > > b > > Using an M7554 KDJ11-D DECserver 550 CPU (in which case it would be an > 11/53), or with an M8190 KDJ11-B CPU? > > Using an M7554 KDJ11-D DECserver 550 CPU is nice in that you get 1.5MB > of RAM on board and the two MMJ async ports on the S-handle bracket, > but of course it is slower than an M8190 KDJ11-B CPU because it has no > cache, no support for adding an FPJ11 FPA, and no support for PMI > memory. > > With an M8190 KDJ11-B CPU you would have to hack up some sort of > bracket for the console async port, and for the diagnostic LED display > if you wanted that too. If DEC ever made an S-handle console panel for > the M8190 KDJ11-B CPU I have never seen one. > I am starting with the M8190 AE (CPU) M8637 EH (or EA?) RAM M8637 EH RAM I have other cards here: http://vintagecomputer.net/browse_thread.cfm?id=715 With these I should be able to get started, thanks all for the info. Bill >