Re: PDP-8/A 128K memory - M8417 or M8418?

2016-05-11 Thread Ethan Dicks
On Wed, May 11, 2016 at 10:20 PM, Jack Rubin wrote: > I've been looking for a 128K MOS memory board for my PDP-8/A for a while...an > M8418. > > None of my literature has the M8418 p/n but most of it may be too old... I found one reference... in: PDP8A_Schems_Apr81.pdf page 199 of 216 At the t

Re: PDP-8/A 128K memory - M8417 or M8418?

2016-05-11 Thread Ethan Dicks
On Wed, May 11, 2016 at 10:20 PM, Jack Rubin wrote: > I've been looking for a 128K MOS memory board for my PDP-8/A for a while. I > finally got one, but it turned out to be an M8418. Huh... I'm not sure I've seen that version. > The docs I've seen (bitsavers EK-MS8CD-TM-001, 1980 + printsets)

PDP-8/A 128K memory - M8417 or M8418?

2016-05-11 Thread Jack Rubin
I've been looking for a 128K MOS memory board for my PDP-8/A for a while. I finally got one, but it turned out to be an M8418. The docs I've seen (bitsavers EK-MS8CD-TM-001, 1980 + printsets) talk about an M8417 with 4k DRAM chips (MS8-C) and an M8417 with 16k DRAM chips (MS8-D), but apparentl