> -----Original Message----- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Peter > Coghlan > Sent: 02 May 2016 10:42 > To: General Discussion: On-Topic Posts <cct...@classiccmp.org> > Subject: RE: AlphaStation 200 NVRAM Problem > > > > > > > One possibility I have in mind is it's something peculiar about DRAM. > > > As you may have been aware DROM code isn't run directly, it's loaded > > > by SROM into DRAM. If it fails a specific bit pattern at a specific > > > location some reason, then you might see symptoms like these. So > > > shuffling DRAM modules might change something here. > > > > I will give this a go, but it seems unlikely as the machine is able to > > run VMS, and I assume it must be passing at least some basic memory > tests. > > > > Perhaps VMS could be working around correctable memory errors that > SROM is not able to cope with? If this is the case, > > $ SHOW ERROR >
That just says: %SHOW-S-NOERRORS, no device errors found > should give a clue and there should be further information in the error log. > (I'm not sure how you display that since the functioning of $ ANALYZE > /ERROR got messed up on Alpha some time ago.) > I tried SHOW MEMORY, but that seemed good. ANALYZE/ERROR said I should install DECevent and run conversion utility. Not sure about that one. Regards Rob