DEC M9312 Configs for a 11/40
billdegnan at gmail.com
Mon Nov 28 20:46:34 CST 2016
> Recently (today) I noticed Address light 16 would come on when I examine
> an address. For example
All switches down, turn on machine (set to 000 000)
RUN/PROC/BUS/CONSOLE lights come one, all other lights off
hit LOAD ADDR
address light 16 comes on, RUN/PROC/BUS/CONSOLE lights stay on.
If I hit START light 16 turns off.
If I try again, to load an address, the address I selected appears, but so
does light 16.
I believe I have seen the explanation for this symptom somewhere, but
reading the 11/40 CPU manual and handbook and I could not find the
explanation. Does anyone know what this means?
I have been booting directly into the console, lately the system has no
problem loading and running from the console. Perhaps this huge missed
issue is the root of the problem I have been having get much else done.
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