On Tue, 9 Jul 2019 23:43:17 +0000 W2HX <w...@w2hx.com> wrote: > Thanks, Lyle. I was reading this. I guess its wrong? > > https://en.wikipedia.org/wiki/MicroVAX > > The MS630 memory expansion module was used for expanding memory capacity. > Four variants of the MS630 existed: the 1 MB MS630-AA, 2 MB MS630-BA, 4 MB > MS630-BB and the 16MB MS630-CA.
The use of suffix's to identify the amount of memory was common with DEC - and the line I copied only referenced the "AA" version of the MS630. > Wouldn't be the first time wikipedia was wrong... Their probably right (in this case ;) Lyle ______________________________________ > From: Lyle Bickley <lbick...@bickleywest.com> > Sent: Tuesday, July 9, 2019 6:08 PM > To: cct...@classiccmp.org > Cc: W2HX > Subject: Re: DEC MS630/M7609 Question > > On Tue, 9 Jul 2019 21:11:39 +0000 > W2HX via cctech <cct...@classiccmp.org> wrote: > > > Hi there. > > > > > > I just acquired a board with the number M7609. It was advertised as an > > M630-CA which my research tells me is supposed to be 16MB. How do I tell on > > the board if this is 8MB or 16MB? There does not seem to be a suffix on the > > board that I can see. > > > > > > What to look for? > > M7609-AA MS630-CA Q 8-Mbyte parity 36-bit RAM for KA630 (MicroVAX II) > > Lyle > -- > 73 NM6Y > Bickley Consulting West Inc. > https://bickleywest.com > > "Black holes are where God is dividing by zero" -- 73 NM6Y Bickley Consulting West Inc. https://bickleywest.com "Black holes are where God is dividing by zero"