Date: Mon, 13 Oct 1997 18:03:55 -0700 (PDT) From: Tom <tom@sdf.com> To: Bruce Albrecht <bruce.albrecht@seag.fingerhut.com> Cc: hardware@freebsd.org Subject: Re: Parity/ECC memory Message-ID: <Pine.BSF.3.95q.971013180132.15929A-100000@misery.sdf.com> In-Reply-To: <9710132240.AA02103@g0024.seag.fingerhut.com>
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On Mon, 13 Oct 1997, Bruce Albrecht wrote: > I have a Pentium Pro system with the Intel 440FX chipset. If I have 2 > 32M x 36 SIMMs, can I set the chipset to ECC, or can it only be set to > check parity? What type of memory do I have to order if I want to set > it to ECC? I'm having problems with my system claiming there are > memory problems when I turn on ECC (and maybe when I turn on parity > checking as well), and my vendor is claiming that my memory is only > good for straight parity checking. I've looked at the Intel > datasheets, and the only requirements they mention for ECC is x72 > memory and a BIOS which supports it (which I have). ECC should work on such memory (I'm doing it on a PPro system with 8 x 32MB). Make sure it true parity memory. Also, the memory could be bad. Turning parity and/or ecc on could be working! The problem just isn't noticed with ecc/parity off. Also, make sure the SIMMs have 24 or less chips on them. Tom
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