Date: Mon, 8 Nov 1999 08:46:35 -0600 From: "Jay West" <jlwest@tseinc.com> To: "Sascha Blank" <blank@fox.uni-trier.de>, <freebsd-questions@freebsd.org> Subject: Re: AMD K62/450 with 3dNOW! kernel build cc1 catches sig4 Message-ID: <00c901bf29f8$0eb2f2a0$d402a8c0@tse.com> References: <199911051415.PAA34264@fox.uni-trier.de>
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Someone wrote.... > Have you checked that the core power for the cpu has been set correctly? The > 450MHz K6/2 needs a core power of 2.4V instead of the <=400MHz versions that > only need 2.2V. I have experienced by myself if the core power is too low - > 0.1V are already enough - the cpu will start to cause crashes for unknown > reasons when put under heavy load (for example a "make world"). Reducing the > cpu clock to 400MHz helped in my case. Yes, this has been checked. Matter of fact, I got two more sets of motherboards, memory, and cpu's. All exhibit the problem. CPU: AMD K62/450 Motherboard: Baby AT ASUS P5A-B w/Aladin chipset Memory: 128mb PC100 (various manufacturers) The problem remains. Set everything for 450mhz and a custom kernel build generates cc1 catching signal 4. Set the clock back to 300mhz and everything runs ok. PLEASE - any ideas????? I have no idea where to look.... Jay West Please cc me as I'm not on the list To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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