Date: Fri, 21 Aug 1998 14:41:31 -0400 (EDT) From: Bob K <melange@yip.org> To: Jeff Kletsky <Jeff@Wagsky.com> Cc: freebsd-stable@FreeBSD.ORG, freebsd-questions@FreeBSD.ORG, support@tomshardware.com Subject: Re: FYI: page faults caused by "speculative read" Message-ID: <Pine.BSF.3.96.980821143843.5416v-100000@yip.org> In-Reply-To: <l03110707b20354fba9c1@[192.168.6.3]>
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On Fri, 21 Aug 1998, Jeff Kletsky wrote: > While I have not had this problem with several other Pentium systems, in > building 2.2.7-RELEASE from CD-ROM I recently encountered a system that > would not run sysinstall without page faults. This was apparently caused > by enabling "Speculative Read" in the BIOS. > > Abit AB-TX5 (Intel 430TX) > AMD K6-233 at "normal" voltages and clock > 64 MB SDRAM (10 ns) > > I do not know the hardware cause of this problem; the vendor I use has been > very reliable and supplies better-than-average components. I have enabled > speculative read on other AB-TX5-based systems (albeit all Intel Pentiums) > without incident, and find the M/B to be very reliable, even at 83 MHz bus > speeds. > > In the hopes someone else may be spared gray hairs, I think in the manual for my AOpen AP5T rev.3.1 (tx chipset), it mentions that one can't use speculative read with two DIMMs - only if you have one. I can't remember if the option is even available in the BIOS if you do have two, though. Might that have had something to do with why it was causing that? melange@yip.org - "Slightly tacky but completely entertaining" To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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