From owner-freebsd-questions@FreeBSD.ORG Sat Oct 1 11:05:44 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 16EF716A41F for ; Sat, 1 Oct 2005 11:05:44 +0000 (GMT) (envelope-from keramida@ceid.upatras.gr) Received: from nic.ach.sch.gr (nic.sch.gr [194.63.238.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1AC5D43D46 for ; Sat, 1 Oct 2005 11:05:42 +0000 (GMT) (envelope-from keramida@ceid.upatras.gr) Received: (qmail 25641 invoked by uid 207); 1 Oct 2005 11:05:40 -0000 Received: from keramida@ceid.upatras.gr by nic by uid 201 with qmail-scanner-1.21 (sophie: 3.04/2.30/3.97. Clear:RC:1(81.186.70.147):. Processed in 0.72565 secs); 01 Oct 2005 11:05:40 -0000 Received: from dialup147.ach.sch.gr (HELO flame.pc) ([81.186.70.147]) (envelope-sender ) by nic.sch.gr (qmail-ldap-1.03) with AES256-SHA encrypted SMTP for ; 1 Oct 2005 11:05:38 -0000 Received: from flame.pc (flame [127.0.0.1]) by flame.pc (8.13.4/8.13.4) with ESMTP id j91Aw9p4003057 for ; Sat, 1 Oct 2005 13:58:39 +0300 (EEST) (envelope-from keramida@ceid.upatras.gr) Received: (from keramida@localhost) by flame.pc (8.13.4/8.13.4/Submit) id j91Au9JE003046; Sat, 1 Oct 2005 13:56:09 +0300 (EEST) (envelope-from keramida@ceid.upatras.gr) Date: Sat, 1 Oct 2005 13:56:09 +0300 From: Giorgos Keramidas To: hshh Message-ID: <20051001105609.GB2921@flame.pc> References: <9b6b59500510010319k479e5085o8d122b0799e006f3@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9b6b59500510010319k479e5085o8d122b0799e006f3@mail.gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: Can I disable HyperThreading in OS? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 01 Oct 2005 11:05:44 -0000 On 2005-10-01 18:19, hshh wrote: > I have a dual XEON smp box. There is option about disable HTT in bios, but > it can't work. It's still display 4 cpu in my OS. > Can I disablt HTT in OS directly? I am running FreeBSD 4.11. I'm not 100% sure, but I think 4.X doesn't have any support for HTT. So, just disable it in the BIOS of your system and that's all. - Giorgos