12 Feb
2018
12 Feb
'18
3:21 a.m.
Jorg Hoppe:
I am the proud owner of an old pdp11/05. I does not have a M9970 (nor can I find one).
So I cant do 20ma/rs232 output. I read in somebodies note about jumpers @W1 and W2 on the
M7261F that I have. Apparently cutting one of these disables the onboard uart and will
allow me to put in a serial card. I cant find the jumpers. Nor can I find a print set.
Any suggestions?