Short test programs for pdp 11/34

devin davison lyokoboy0 at gmail.com
Fri Sep 23 16:07:25 CDT 2016


Quite detailed information on the logic analyzer trace. I picked up a hp
logic analyzer, never used it yet. Hopefully i do not have to get that in
depth just yet.

On Fri, Sep 23, 2016 at 4:47 PM, Jörg Hoppe <j_hoppe at t-online.de> wrote:

> Noel,
>
>
>>     >> If the machine HALTs on power-up, some micro coded diagnostic
>> failed
>>
>> There are no microcoded diagnostics in the 11/34.
>>
> I'm talking of that data path check up after power-on.
> See
> http://bitsavers.informatik.uni-stuttgart.de/pdf/dec/pdp11/
> 1134/MP00082_1134_Vol2_Sep76.pdf
> PDF page 40.
>
> Logic analyzer trace here:
> http://retrocmp.com/articles/time-scales-of-a-pdp-11-34/221-
> time-scales-of-a-pdp-11-34-50us
>
> Joerg
>


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