From owner-freebsd-questions Thu Nov 13 11:39:16 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id LAA11942 for questions-outgoing; Thu, 13 Nov 1997 11:39:16 -0800 (PST) (envelope-from owner-freebsd-questions) Received: from mobrien.ni.net (mobrien.ni.net [207.199.11.70]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id LAA11935 for ; Thu, 13 Nov 1997 11:39:13 -0800 (PST) (envelope-from obrien@leonardo.net) Received: from caern.leonardo.net (localhost [127.0.0.1]) by mobrien.ni.net (8.8.5/8.8.5) with ESMTP id LAA00308 for ; Wed, 12 Nov 1997 11:41:56 -0800 (PST) Message-Id: <199711121941.LAA00308@mobrien.ni.net> To: questions@freebsd.org Subject: Variable-speed CPU? Date: Wed, 12 Nov 1997 11:41:55 -0800 From: "Mike O'Brien" Sender: owner-freebsd-questions@freebsd.org X-Loop: FreeBSD.org Precedence: bulk I have a Pentium-266 CPU which reported this on boot: CPU: Pentium (166.59-MHz 586-class CPU) Origin = "GenuineIntel" Id = 0x543 Stepping=3 Features=0x8001bf As you can see, this time it claims it's a Pentium-166. Looking back through the log file, we see this: Nov 6 10:53:02 mobrien /kernel: CPU: Pentium (233.22-MHz 586-class CPU) Nov 9 00:56:15 mobrien /kernel: CPU: Pentium (166.59-MHz 586-class CPU) Nov 9 19:54:58 mobrien /kernel: CPU: Pentium (233.22-MHz 586-class CPU) Nov 10 19:56:58 mobrien /kernel: CPU: Pentium (166.59-MHz 586-class CPU) Nov 11 02:19:59 mobrien /kernel: CPU: Pentium (233.22-MHz 586-class CPU) Nov 11 11:05:53 mobrien /kernel: CPU: Pentium (166.59-MHz 586-class CPU) Nov 11 23:18:12 mobrien /kernel: CPU: Pentium (166.59-MHz 586-class CPU) Nov 12 01:29:25 mobrien /kernel: CPU: Pentium (233.22-MHz 586-class CPU) Nov 12 11:09:16 mobrien /kernel: CPU: Pentium (166.59-MHz 586-class CPU) This seems odd, to say the least. I tried reading things in "cpuident.c" and whatnot, and got lost in a welter of CPU counters. Can anyone tell me what this really means? Is my CPU indeed flipping speeds more or less at random? Mike O'Brien