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From: dillon@best.com (Matt Dillon)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Parity SIMMS really necessary?
Date: 11 Dec 1995 17:06:48 -0800
Organization: Best Internet Communications, Inc. (info@best.com)
Lines: 35
Distribution: world
Message-ID: <4aikj8$p44@blob.best.net>
References: <49lbnr$4fq@interport.net> <49qabp$efi@zuul.nmti.com> <4a2fug$b0u@cnn.nas.nasa.gov> <4a7kbb$8uj@overload.lbl.gov>
NNTP-Posting-Host: blob.best.net
:In article <4a7kbb$8uj@overload.lbl.gov>,
:Jin Guojun[ITG] <jin@eubie.lbl.gov> wrote:
:>In article <4a2fug$b0u@cnn.nas.nasa.gov>,
:>Keith C. Thompson <thompson@sun446.nas.nasa.gov> wrote:
:>>In article <49qabp$efi@zuul.nmti.com> peter@nmti.com (Peter da Silva) writes:
:>>>In article <49lbnr$4fq@interport.net> David Tay <davidtay@interport.net> wrote:
:>>>> I'm currently using FreeBSD with parity simms. There's a $50-$100
:>>>> difference with parity SIMMs. I would like to save some money and use
:>>>> non-parity SIMMs.
:...
:>This is correct. The thing is going up and down.
:>The new motherboards are made to run at NO-parity environment.
:>The silicon technology is better and better. Current memory chips
:>are very reliable. Once they are installed, they almost live forever,
:>unless you overheat or throw electrical static on them.
:>Back to 15-20 years ago, parity is not required for memory. So for the later.
Yah, but motherboards, especially clone motherboards, are getting
pretty shoddy from a design standpoint. Not to mention that while
the chips themselves are getting better, the massive competition
is leading to memory SIMMs being sold that would otherwise go into
the garbage bin.
Without that parity, it's near impossible to trace down a recuring
crash on a system... you can't tell whether it's the program or the
memory.
No thanks... I'll take the parity. It's a good a check on your
whole memory subsystem.
-Matt
--
Matthew Dillon Engineering, BEST Internet Communications, Inc.
<dillon@best.net>
[always include a portion of the original email in any response!]