Date: Mon, 15 Sep 1997 09:59:43 -0700 (PDT) From: Tom <tom@sdf.com> To: Michael Beckmann <beckmann@nacamar.net> Cc: hardware@freebsd.org Subject: Re: Parity trouble with Asus mainboard Message-ID: <Pine.BSF.3.95q.970915095851.16907A-100000@misery.sdf.com> In-Reply-To: <3.0.3.32.19970915160712.00b69930@mail.nacamar.de>
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On Mon, 15 Sep 1997, Michael Beckmann wrote: > Greetings, > > I had installed 8 x 32 MB parity SIMMs in an Asus P65UP5 Rev. 2.04 > mainboard with Pentium Pro card P6ND in it. The system is equipped with one > PPro 200 CPU. Unfortunately, when I install 4, 6 or 8 of these SIMMs, > FreeBSD gives me a parity error and panics directly after the copyright > notice during boot. With 2 x 32 MB, it seems to run OK. > > This, however, happens only when I enable ECC in the BIOS. When I disable > ECC/parity, the system runs fine with 256 MB installed. I made world on the > latest 2.2-stable in this configuration, no problem. > > I also tried the same SIMMs in a Gigabyte 586 HX board, and there I can > boot and run just fine with ECC enabled in the BIOS (it's an NT system, > though). > > Any ideas ? It doesn't look to me like the SIMMs were faulty. Maybe a > problem with the parity chips ? I also exchanged the mainboard with another > one of the same type, but found the same problem. > > Michael I've installed the the same motherboard in a server with 8 32MB SIMMs, with ECC turned on. It works very well. Tom
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