15 Aug
2002
15 Aug
'02
3:54 a.m.
John Holden wrote:
Johnny Billquist wrote:
Nice info.
The problem with RSX was as Johnny Billquist already indentified due to a missing
LTC signal. This is solved by placing a jumper on the backplane to get the signal
on the bus when generated from the DL11-W. It is described in the FSE docs, so it
is just a matter of counting the pins and make the connection.
I have also executed some diagnostics, only cache test #2 fails partly, is mentions
a possible problem with the ADM. Besides that problem, the machine works fine.
So, I have now a nice running 11/70, and the only thing left to do is to
transport the RM03 one floor up into the machine room :=(
Thanks,
Ed
This is typically a clock problem. You don't
have a working clock in
your
system.
I have added to my 'fixing a dead PDP-11', a simple test for line time
clocks.
http://www.psych.usyd.edu.au/pdp-11/hints.html ----------
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