Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758198AbXERRyh (ORCPT ); Fri, 18 May 2007 13:54:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754268AbXERRyb (ORCPT ); Fri, 18 May 2007 13:54:31 -0400 Received: from quechua.inka.de ([193.197.184.2]:54046 "EHLO mail.inka.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753742AbXERRyb (ORCPT ); Fri, 18 May 2007 13:54:31 -0400 From: Bernd Eckenfels To: linux-kernel@vger.kernel.org Subject: Re: ht CPU flag Organization: Private Site running Debian GNU/Linux In-Reply-To: X-Newsgroups: ka.lists.linux.kernel User-Agent: tin/1.7.8-20050315 ("Scalpay") (UNIX) (Linux/2.6.13.4 (i686)) Message-Id: Date: Fri, 18 May 2007 19:54:29 +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 919 Lines: 22 In article you wrote: > I have Pentium D CPU, which many Windows utilities like cpuz, wcpuid, > everest identify as D 930 (Dual Core, 3GHz). From Intel site I find out > that it has no HT feature, nor Windows XP identify it as HT. the ht flag reported by the CPU and cpuinfo is not a reliable detection if HT is available on your CPU or your motherboard/bios. > Why do I have "ht" flag in cpuinfo? Because your CPU reports it. You will see that also in cpuz output. However, you can see ht in the sibblings value (for a single core it will be 2 if you have HT, I am not sure if it is 4 for a dual core CPU) Gruss Bernd - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/