From owner-freebsd-hardware@FreeBSD.ORG Fri Aug 1 04:10:10 2008 Return-Path: Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 74CD9106566C for ; Fri, 1 Aug 2008 04:10:10 +0000 (UTC) (envelope-from won.derick@yahoo.com) Received: from n63.bullet.mail.sp1.yahoo.com (n63.bullet.mail.sp1.yahoo.com [98.136.44.33]) by mx1.freebsd.org (Postfix) with SMTP id 56DD88FC08 for ; Fri, 1 Aug 2008 04:10:10 +0000 (UTC) (envelope-from won.derick@yahoo.com) Received: from [216.252.122.217] by n63.bullet.mail.sp1.yahoo.com with NNFMP; 01 Aug 2008 03:57:45 -0000 Received: from [69.147.65.157] by t2.bullet.sp1.yahoo.com with NNFMP; 01 Aug 2008 03:57:45 -0000 Received: from [127.0.0.1] by omp405.mail.sp1.yahoo.com with NNFMP; 01 Aug 2008 03:57:45 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 122478.76364.bm@omp405.mail.sp1.yahoo.com Received: (qmail 48914 invoked by uid 60001); 1 Aug 2008 03:57:45 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Received:X-Mailer:Date:From:Subject:To:MIME-Version:Content-Type:Message-ID; b=A7GsVce6zuGvKN+nBzozUg7g5fVq3YUDpoyr0EeWWlrSqmfpKeX+0oXQpuP71fF46PMZFmirIml5hfL/Oubr20BWWQFILGIkqPgWUptgJS20ahG8S/zfAlwKfb2ZvJ11ktb3Pv2lA6Vr1IoUR9sR250vapq7s2lj9/ixfIhuPjQ=; Received: from [58.71.34.138] by web45811.mail.sp1.yahoo.com via HTTP; Thu, 31 Jul 2008 20:57:44 PDT X-Mailer: YahooMailRC/1042.40 YahooMailWebService/0.7.218 Date: Thu, 31 Jul 2008 20:57:44 -0700 (PDT) From: Won De Erick To: freebsd-hardware@freebsd.org MIME-Version: 1.0 Message-ID: <30555.48676.qm@web45811.mail.sp1.yahoo.com> Content-Type: text/plain; charset=us-ascii X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: How to reset the OS Watchdog timer in IBM x343? X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Aug 2008 04:10:10 -0000 Hello, I have been searching the internet as to how to enable the OS watchdog timer mechanism in IBM x343. I tried setting the watchdog timer at the BIOS utility, and what I wanted to know is how to reset the timer so as not to reboot the system during normal operation. The box is run by FreeBSD 6.2, and I can't just use the IBM director and/or the IBM director client as basically, it won't run on the said OS. Adding out-band management card will also not help as basically the box doesn't support such. I've learned that the built-in service processor can be accessed using the SMbus driver, but said driver is only for Windows/Linux. However, there should be a way how to access/control the watchdog timer either by using a BIOS interrupt call or a service. I need to send a heartbeat to the watchdog to continuously reset the timer. Thanks and best regards, Won