AlphaStation 200 NVRAM Problem

[Dave Wade]

> 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