19 Sep
2016
19 Sep
'16
7:22 p.m.
You have two things. First was the 11/20 memory extension option, the MX11
and then the memory protection system the KS11. Both came out of the DEC
CSS (the Kludge department). I believe the MX was the same as the other
non-split I/D memory extensions (like the 34/40). Don't know about the KS.