I remember you mentioning wanting one of those when I got my 1000 A900 kit, Glen.
I don't have a spare but I'd be willing to take some photos and measurements of mine, if that might help somebody to make one. -- Robert On Wed, Oct 3, 2018 at 2:31 PM Glen Slick via cctalk <cctalk@classiccmp.org> wrote: > > I have an HP 1000 A900 20-slot box with a working 4 card CPU set > (sequencer, data path, cache control, memory controller). I also have > a 12990-60102 A990 CPU card that would replace the 4 A900 CPU cards > and install in place of the A900 memory controller card. > > What I don't have is the 12990-60020 jumper board that would install > in the A900 backplane instead of the A900 sequencer, data path, and > cache control cards, nor a 12230-60001, 12230-60002, 12230-60003, or > 12230-60004 memory frontplane to connect the A990 CPU to one or more > memory array cards. > > I'm not very hopeful, but is there any chance anyone on the list > happens to have a spare HP 1000 A990 12990-60020 jumper board, and/or > a 12230-60001, 12230-60002, 12230-60003, or 12230-60004 memory > frontplane that they would be willing to part with? Not expecting > these for free. > > These might be parts that 360 Technologies had before they recently > closed up shop, although if they did they probably expected business > critical prices for them. > > (For reference, the HP Museum site has a copy of the HP 1000 A990 > Upgrade (HP 12990C) Installation and Service Manual, 12990-90011).