Date: Mon, 13 Oct 1997 17:18:36 -0700 From: David Greenman <dg@root.com> To: Bruce Albrecht <bruce.albrecht@seag.fingerhut.com> Cc: hardware@FreeBSD.ORG Subject: Re: Parity/ECC memory Message-ID: <199710140018.RAA20337@implode.root.com> In-Reply-To: Your message of "Mon, 13 Oct 1997 17:40:33 CDT." <9710132240.AA02103@g0024.seag.fingerhut.com>
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>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 Yes. That's how it works - the 8 parity bits are used to construct the ECC syndrome. >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). Check to make certain that the SIMMs are true parity and not "simulated" parity. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project
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