On Thu, Aug 25, 2016 at 4:08 AM, Rob Jarratt <robert.jarr...@ntlworld.com> wrote: > It turns out the problem was the cab kit. I replaced it with a spare and the > machine worked great. On closer inspection I found some corrosion and > possible evidence of a previous battery leak, so I am going to take it > apart, check it and clean it up.
Ah. Good to hear. I'm in the middle of cleaning up battery damage on a cab kit myself. I have it apart and the obvious corrosion neutralized and cleaned, but I need to go over the traces where the damage is before I replace the DE9. It's been a month of cleaning and inspecting and repair (last night's project was a PDP-11/04) > The other thing that made me suspect the cab kit is that the act of pulling > the serial cable out (not unplugging the terminal) would cause the machine > to reset. MicroVAX II does this if you switch off the console terminal while > the terminal is connected. Hmm... that is a peculiar symptom. Glad it led to a solution. Cheers, -ethan