4 Feb
2019
4 Feb
'19
10:34 a.m.
On Feb 4, 2019, at 12:18 PM, Bob Smith via cctalk
<cctalk at classiccmp.org> wrote:
I keep wondering about the psu. I just recall the /45 in my lab was
always a little flakey.
We suspected everything in the machine, and it was ak to chasing a sea
bat in the dark.
Good theory.
In RSTS development we once ran into DMC-11s not working reliably. The field service tech
knew exactly what to look for, and started checking all the supply voltages. The spec
says allowed tolerances are +/- 5%. He knew the reality for correct operation was -0%,
+5%, so he tweaked all the supplies to read a hair above nominal.
Is there any way to attach a logic analyzer to various data paths on this machine?
paul