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 <[email protected]> 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 >
