On Feb 1, 2022, at 8:20 AM, Bob Smith via cctalk <cctalk@classiccmp.org> wrote: > > KMC11 - Paul K cited the docs. It was a bit different from DMC CPU board > in both cycle time and in the use of ram versus prom. > Both boards/products used the 4bit Alu but I don't call that bit > slice, as the 2901 is more of a bit slice. > KMC and DMC are Harvard architecture based devices, as is the 11/60 CPU. > DMC and KMC benefited from the microcode work of Harvey Schlesinger, > Bob Rosenbaum, Richie Larry, and I think Clarise joined the team in > 77. Can't recall her last name.
Patton? Harvey, Bob and Clarise joined the DECnet-RSX development team sometime in 77/78. John. > DMC had (when I left the project and it had been shipping for a year > or two) a 300NS cycle time, while the KMC had a 240NS cycle time > thanks to the instruction register I had suggested to remi as we were > thinking of a RAM based device because PROMS were a royal pain with 2 > and 3 code changes a day. This change allowed the machine to begin to > access the next instruction as one was executing - there are no > interrupts in either board. > bob
