> I can now do test code for the NVRAM, I will start with repeated reads to see if > I get different values on different occasions. Then I will save it and write > patterns etc. It may be a checksum that is failing of course. Or the DROM itself, > which I can't verify until I get the PLCC adapter for my PROM programmer and > someone else to read their DROM.
What size PLCC? I have some PLCC to DIL adaptors... > > Thanks for all the help I have a way forward for a little while now. > Although anyone with one of these machines who could read the DROM would > be helpful. I will be able to supply a VMS program to read it, so need to remove > it from the machine or to have a programmer. > > Regards > > Rob Dave G4UGM
