18 Jun
2016
18 Jun
'16
10:50 p.m.
Well maybe not, but the first in the 23-001A1 sequence of part numbers
was used in the PDP-8/e EAE. I was troubleshooting a problem with an
EAE in which the step counter wouldn't load. There are 2 fusible PROMs
in the circuit and I noticed they are 23-001A1 and 23-002A1.
Maybe there is a 23-000A1.