> > On Aug 24, 2016, at 9:41 AM, Rob Jarratt <robert.jarr...@ntlworld.com> wrote: > > I have a MicroVAX II which has started garbling and losing characters output > to the console. It had seemed that re-seating the processor board would fix > it, but that no longer seems to be the case. > > > > I was just wondering if anyone else has ever come across this failure mode? >
I’ve seen similar with under two occasions. 1) Non-compliant USB adaptor - Doesn’t fully support RS232C levels 2) Poor grounding, noise in the data lines - long cable runs or devices on different sides of the (US) power main. I have not dealt with component problems on the KA630 itself. Jerry
