Re: Odd board in a pdp8/e

2022-02-03 Thread Vincent Slyngstad via cctalk
On 2/3/2022 6:41 PM, Chris Zach via cctalk wrote: It's a MD-V PL/PDP8 303-0112-002. Half populated with 4k RAMs. So I'm guessing 16kw in the computer in core, 16kw RAM. Ah, now *that* apparently has a manual on bitsavers: http://www.bitsavers.org/pdf/monolithicSystems/100-023-000_Monostore_V_8K

Re: Odd board in a pdp8/e

2022-02-03 Thread Chris Zach via cctalk
The MSC_303-0115 is indeed an M837 clone -- the Timeshare option: http://svn.so-much-stuff.com/svn/trunk/Eagle/projects/DEC/MSC_303-0115/ Did you get that from Jack, or is this a different one? Nope, just been in this system forever. I'm finally starting to work on the power supply now that the

Re: Odd board in a pdp8/e

2022-02-03 Thread Vincent Slyngstad via cctalk
On 2/3/2022 5:42 PM, Chris Zach via cctalk wrote: But two odd Omnibus cards: One is a memory board, half populated, my guess is it's enough memory to bring the computer to 32kw. The other is an mets 303-0115-001. Bunch of 7400 series logic chips, nothing too special. Any idea what it might ha

Odd board in a pdp8/e

2022-02-03 Thread Chris Zach via cctalk
I'm putting stuff together here and it's time to begin working on the 8/E. Looks like a pretty generic system but it has two odd boards. Pair of g227 memory boards, 4 board CPU+Console board, serial board, nothing too special. But two odd Omnibus cards: One is a memory board, half populated,