> On Feb 6, 2019, at 2:24 PM, Brent Hilpert via cctalk <cctalk@classiccmp.org> > wrote: > > Is the schematic available for the memory board at-issue? > Curious myself to see what approach for refresh DEC used.
Yes, here: http://bitsavers.trailing-edge.com/pdf/dec/pdp11/memory/MP00672_MS11L_engDrw.pdf There is also a technical manual adjacent, with circuit descriptions. I will scope this up tonight and take a look! --FritzM.
