From owner-freebsd-questions@FreeBSD.ORG Wed Jul 11 02:53:20 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 5DB2716A421 for ; Wed, 11 Jul 2007 02:53:20 +0000 (UTC) (envelope-from youshi10@u.washington.edu) Received: from mxout5.cac.washington.edu (mxout5.cac.washington.edu [140.142.32.135]) by mx1.freebsd.org (Postfix) with ESMTP id 2D24413C459 for ; Wed, 11 Jul 2007 02:53:20 +0000 (UTC) (envelope-from youshi10@u.washington.edu) Received: from smtp.washington.edu (smtp.washington.edu [140.142.33.7] (may be forged)) by mxout5.cac.washington.edu (8.13.7+UW06.06/8.13.7+UW07.06) with ESMTP id l6B2rJXR008656 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 10 Jul 2007 19:53:19 -0700 X-Auth-Received: from [192.168.10.45] (c-24-10-12-194.hsd1.ca.comcast.net [24.10.12.194]) (authenticated authid=youshi10) by smtp.washington.edu (8.13.7+UW06.06/8.13.7+UW07.03) with ESMTP id l6B2rIZk022592 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 10 Jul 2007 19:53:19 -0700 Message-ID: <4694461F.2010702@u.washington.edu> Date: Tue, 10 Jul 2007 19:53:19 -0700 From: Garrett Cooper User-Agent: Thunderbird 2.0.0.4 (Windows/20070604) MIME-Version: 1.0 To: RW References: <4693E403.9090800@oregnier.net> <4693EF39.9090003@xxiii.com> <20070711022053.07db646d@gumby.homeunix.com.> In-Reply-To: <20070711022053.07db646d@gumby.homeunix.com.> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-PMX-Version: 5.3.2.304607, Antispam-Engine: 2.5.1.298604, Antispam-Data: 2007.7.10.193235 X-Uwash-Spam: Gauge=IIIIIII, Probability=7%, Report='__CT 0, __CTE 0, __CT_TEXT_PLAIN 0, __HAS_MSGID 0, __MIME_TEXT_ONLY 0, __MIME_VERSION 0, __SANE_MSGID 0, __USER_AGENT 0' Cc: freebsd-questions@freebsd.org Subject: Re: Detecting CPU Type 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: Wed, 11 Jul 2007 02:53:20 -0000 RW wrote: > On Tue, 10 Jul 2007 16:42:33 -0400 > Rob wrote: > > >> Olivier Regnier wrote: >> >>> I searching to find information about my CPU type. >>> i have this: CPU: Mobile AMD Sempron(tm) Processor 2800+ >>> (1600.06-Mhz 686-class CPU) I must configure my CPUTYPE?= >>> in /etc/make.conf. I'ts i686 (686-class) or i386 ? >>> >> "i386" is the architecture; it includes all the similar processors >> including the 486, Pentiums, Athlon, etc. Other architectures are >> completely different hardware, eg Sun's SPARC. >> >> The 686-class is the specific processor within the i386 >> architecture. if you look in /usr/share/examples/etc/make.conf >> you'll see a list of options for CPUTYPE. athlon-xp might be the >> closest to your cpu. However, some folks here recommend against >> using overly specific cpu optimization. You can go safe and just use >> pentium4 >> > > I'm not sure that is safe, Athlons, Sempron etc are back-compatible to > 686 i.e. Pentium Pro, which is way before Intel developed the Pentium4. > Use athlon-xp (hyphen or no hyphen? I forget..). -Garrett