From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261941AbVFGRoI (ORCPT ); Tue, 7 Jun 2005 13:44:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261942AbVFGRoH (ORCPT ); Tue, 7 Jun 2005 13:44:07 -0400 Received: from prgy-npn1.prodigy.com ([207.115.54.37]:61455 "EHLO oddball.prodigy.com") by vger.kernel.org with ESMTP id S261941AbVFGRn6 (ORCPT ); Tue, 7 Jun 2005 13:43:58 -0400 Message-ID: <42A5DD47.5090000@tmr.com> Date: Tue, 07 Jun 2005 13:45:43 -0400 From: Bill Davidsen User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.6) Gecko/20050319 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Michael Thonke CC: Linux Kernel Mailing List Subject: Re: Pentium-D support References: <42A5B80A.4040709@tmr.com> <42A5C8A3.2090202@gmail.com> In-Reply-To: <42A5C8A3.2090202@gmail.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Michael Thonke wrote: > Bill Davidsen schrieb: > > >>Since this is really a question in several areas I'll put it here. Now >>that the Pentium-D processors are available at reasonable prices and >>for quick delivery, can anyone speak to the ACPI issues? The available >>boards use the 945 and 955 chipset. Is there any reason to think that >>the scheduler would get confused by the CPU, such as thinking it was >>HT or some such? > > > There are only issues with CPUFREQ/speedstep and some ACPI related > things on Intel 955X chipset I have. So I use a ASUS P5WD2-Premium. > The Pentium D will reach me in few days so I only guess and I think the > kernel know how to handle Physical Cores and SMT/HT Processors. > > >>The specs indicate that 64 bit is supported, is there any actualy >>Linux support for the Intel 64 bit stuff in gcc and the kernel? One of >>the people I work with reports that the distro he runs on his Athlon64 >>lock solid after reading the boot sector, so obviously this isn't >>Athlon compatable. >> > > Yes the 64bit support of the Intel CPUs are well supported, I use a > Intel Pentium 4 640 and 64bit compiled system (Gentoo 2005) > I have no problems everything is working nearly perfect better as my > AMD64 system. > > For GCC 3.4.x or 4.0.x you only need the compile switch -march=nocona as > the name of the XEON..but its the same piece of technologie Okay, unless I can find an Intel-64 build of Fedora I'll have to do it myself, but now that I know what option to use it's possible. Trust Intel to have a 64 bit standard which isn't Itanium and isn't ..quite.. AMD compatible. > > >>The price is lower than a dual Xeon setup if you have an application >>which needs SMP, and initial power values make it look like a lower >>power solution overall. > > > Cheep and good performance. Thanks for the pointer! -- -bill davidsen (davidsen@tmr.com) "The secret to procrastination is to put things off until the last possible moment - but no longer" -me