Date: Fri, 25 Aug 2000 10:46:39 -0500 From: Glenn Johnson <gjohnson@nola.srrc.usda.gov> To: hardware@freebsd.org Subject: overheating AMD K6-2 400 Message-ID: <20000825104639.A51927@node1.cluster.srrc.usda.gov>
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About a year ago I purchased an AMD K6-2 400 MHz processor for my FreeBSD system at home. It had been working fine until recently. The last two months I have been seeing some rather strange problems like corrupted files from cvsup, bad dependencies from a buildworld even with a fresh object tree, and signals 4 and 10 during compilation. The last week I have had two spontaneous reboots which caused severe file system damage. I knew it was hardware trouble and I finally pinned it down to the CPU. The problems definitely start showing up after the CPU has warmed up a bit. It is obviously a thermal problem or at least temperature is a factor. I checked to make sure that the CPU fan was working and it is. I remembered people on the FreeBSD lists saying that they had to underclock there AMD K6-2s to get them stable so I clocked this one down to 350. The problems took a little longer to surface but still do. I should mention that the motherboard is a FIC VA503+ and the system had never been overclocked. I pulled the CPU out and put my old Cyrix 133 6x86-MX chip in. This is working fine but is slow of course. My questions are: Does it sound like the AMD chip is shot or can I try to enhance the cooling somehow and still use it? Or would I be better off getting another CPU? If I get another CPU should I get another AMD or should I go with one of the Cyrix MII models? I would want to put in a CPU that was at least 400 MHz. I know this is not specifically FreeBSD related but I have found that the people on the FreeBSD lists are the most knowledgeable. All responses are greatly appreciated. Thanks. -- Glenn Johnson To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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