From owner-freebsd-current@FreeBSD.ORG Thu Aug 31 02:21:45 2006 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1B63C16A4E1 for ; Thu, 31 Aug 2006 02:21:45 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: from py-out-1112.google.com (py-out-1112.google.com [64.233.166.181]) by mx1.FreeBSD.org (Postfix) with ESMTP id DFCC243D45 for ; Thu, 31 Aug 2006 02:21:43 +0000 (GMT) (envelope-from jfvogel@gmail.com) Received: by py-out-1112.google.com with SMTP id o67so519171pye for ; Wed, 30 Aug 2006 19:21:43 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=tGEbJ4iXiA/7nqTkz7bJDg5ewmzcWUfw/n/2sNz6kzj5xdsF32SDL17P0p6uSjRG8Rdd79+mg4alFH+exqq9PWshz0sjDFTPfU6FJpgpdeFWkxBjNN8GW0BqAFcGfJyB4DvK8E81c0I2vIQJQO/CfW1HRR7GjojlHdgNnvhfI1g= Received: by 10.35.31.14 with SMTP id i14mr696437pyj; Wed, 30 Aug 2006 19:21:43 -0700 (PDT) Received: by 10.35.119.1 with HTTP; Wed, 30 Aug 2006 19:21:43 -0700 (PDT) Message-ID: <2a41acea0608301921y60765c3dvf15646039c20b4da@mail.gmail.com> Date: Wed, 30 Aug 2006 19:21:43 -0700 From: "Jack Vogel" To: "Andrew Gallatin" In-Reply-To: <17654.10986.963763.949073@grasshopper.cs.duke.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <2a41acea0608291624u4ee91cdej2d87aa19e2e5ba62@mail.gmail.com> <17653.51598.910897.127606@grasshopper.cs.duke.edu> <20060830204128.GA73801@hub.freebsd.org> <17654.10986.963763.949073@grasshopper.cs.duke.edu> Cc: Robert Watson , freebsd-current , Prafulla Deuskar , Alan Cox , Mohan Srinivasan Subject: Re: RFC: FreeBSD I/OAT driver X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 31 Aug 2006 02:21:45 -0000 On 8/30/06, Andrew Gallatin wrote: > > Prafulla Deuskar writes: > > Dual core Woodcrest > > Bensley Chipset > > How can one tell before purchase which machines/chipsets have I/OAT? > > We just bought a pair of Dell 2950s with a "5000X" Chipset > (8086:25c0), and there is no I/OAT DMA engine that I can see (no > device 8086:1a38). > > Drew > Well, I am only guessing about this after the fact, but it looks like the 5000P which is a server chipset, and is the one in the SuperMicro X7 systems, is the one with I/OAT. I went to Intel's site and I gotta admit, I dont see an easy way to tell this. Have to talk to some sales/marketing types though, not some lowly engineer like me :) Cheers, Jack