Ongoing excavations - PDP-8/e - test-drb@ccmp.vtda.org

27 Oct 1999

--- Tony Duell &lt;ard(a)p850ug1.demon.co.uk&gt; wrote:
...
  Well done!. The 8/e is a machine that I like --
it's pretty easy to 
 understand, and an elegant instruction set... 
My first -8 was an -8/L.  I still have it, but it currently needs more help
than the -8/e.  It does not have correct behavior of the front panel switches
and I haven't had time to start module testing.

...
   ...I currently
have the chassis and PSU sitting side by side on the table
 leaving me enough room for a hex-height 16K MOS card to hang over
 the side of the OMNIBUS.   
 ROFL! Sounds like the sort of thing that I do :-). 'What do you mean this 
 configuration is not supported by Digital? It works, doesn't it' :-) 
It seems to work just fine, and I made a point of mentioning it for Lawrence
LeMay who has an -8/e and an RL8A.  The same arrangement should work for him
to get it all working together without having to aquire a hex-height expansion
box and OMNIBUS cables.

...
  If you need any help, I have an RX8e + RX01 on my
PDP8/e. I also have the 
 full prints for everything... So feel free to ask questions. 
I have the bound -8/e maintenance doc set, so I think I'm OK there.  For now,
just getting through either an OS boot or diagnostics will be the hurdle.

I still haven't heard anyone cough up any info on the PR/S01 tape reader. 
Worst
case, I'll stick a scope on it and time the start/stop bits to guess the baud
rate.  ISTR 2400, but I have never used this particular device.

Thanks again,

-ethan

=====
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