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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!news.mel.connect.com.au!munnari.OZ.AU!spool.mu.edu!howland.reston.ans.net!newsfeed.internetmci.com!news.dacom.co.kr!news.kreonet.re.kr!overload.lbl.gov!gracie.lbl.gov!jin From: jin@gracie.lbl.gov (Jin Guojun[ITG]) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: Parity SIMMS really necessary? Date: 16 Dec 1995 01:57:49 GMT Organization: Lawrence Berkeley Laboratory Lines: 29 Message-ID: <4at92t$9kr@overload.lbl.gov> References: <49lbnr$4fq@interport.net> <4a2fug$b0u@cnn.nas.nasa.gov> <4a7kbb$8uj@overload.lbl.gov> <4aikj8$p44@blob.best.net> NNTP-Posting-Host: gracie.lbl.gov In article <4aikj8$p44@blob.best.net>, Matt Dillon <dillon@best.com> wrote: >: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. >:... > 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. It really depends on how you think your memory. If you are scared by such universal inerference, then the money is worth. I would believe my configuration that give me very safety boxes. 50 CPUs + 200 GB disks are running for years without seeing corrupted files. Only time I got a file been fliped bit is I tried to used OKI 70 ns memory chip on the 100 MHz Pentinum. The point is to convince that dealers, who used memory in such way, are bad. So, $50 is $50. I'd likt to use it wherever worth it. -- /-------------- Jin Guojun ------------ v ---- Internet: g_jin@lbl.gov ----\ | Imaging & Distributed Computing | Usenet: ucbvax!g_jin@lbl.gov | | Lawrence Berkeley Laboratory | Bitnet: -- | | 50B-2239, Berkeley, CA 94720 - jin%george.lbl.gov@Csa3.LBL.Gov |