Path: utzoo!utgpu!water!watmath!clyde!bellcore!rutgers!mailrus!tut.cis.ohio-state.edu!cs.utexas.edu!sm.unisys.com!ucla-cs!casey
From: casey@CS.UCLA.EDU
Newsgroups: comp.sys.next
Subject: Does NeXT have parity/ECC protected memory?
Keywords: memory subsystems, error detection/correction, parity, ECC
Message-ID: <16901@shemp.CS.UCLA.EDU>
Date: 18 Oct 88 01:25:12 GMT
Sender: news@CS.UCLA.EDU
Reply-To: casey@CS.UCLA.EDU (Casey Leedom)
Organization: UCLA Cognitive Science Program
Lines: 20


  It's been hinted at a couple of times that NeXT doesn't have any error
detection on main memory.  Is this true?  If so, what was the rationale
not to put it in?  (I would assume cost vs. functionality.)  If not, what
kind of error detection[/correction] is being used?  (I would assume
parity for reasons of cost/complexity.)

  Also, what specific SIMMs are being used?  Someone claimed 1Mx32 bit,
with 16 sockets on the board, but that would give you 64Mbytes.  I'm also
unaware that there are 1Mx32 parts, but since my exposure to SIMMs is
minimal, that could certainly be all my fault.

Casey

--------
The American public wants to be lied to.  They want to be told that they
are the envy of the world.  They want to be told that things are ok.
Dukakis points at the serious problems that must be addressed and
proposes some of the hard decisions that he thinks will be necessary.
Bush tells us that everything is wonderful.  Who's ahead in the polls?