AlphaStation 200 NVRAM Problem
Peter Coghlan
cctalk at beyondthepale.ie
Mon May 2 04:42:21 CDT 2016
> >
> > 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
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.)
Regards,
Peter Coghlan.
More information about the cctalk
mailing list