From owner-freebsd-hackers@FreeBSD.ORG Mon Jul 14 16:07:43 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3B0E9106564A for ; Mon, 14 Jul 2008 16:07:43 +0000 (UTC) (envelope-from ancelgray@yahoo.com) Received: from wombat.diezmil.com (aa.81.b6.static.xlhost.com [207.182.129.170]) by mx1.freebsd.org (Postfix) with ESMTP id 04D088FC1A for ; Mon, 14 Jul 2008 16:07:42 +0000 (UTC) (envelope-from ancelgray@yahoo.com) Received: from wombat.diezmil.com (wombat.diezmil.com [127.0.0.1]) by wombat.diezmil.com (8.14.2/8.14.2) with ESMTP id m6F00xDl013178 for ; Mon, 14 Jul 2008 20:00:59 -0400 Date: Mon, 14 Jul 2008 20:00:59 -0400 From: ancelgray@yahoo.com To: freebsd-hackers@freebsd.org Message-ID: <21541490.01216080059414.JavaMail.root@wombat.diezmil.com> In-Reply-To: <20080121170155.GC51116@hamlet.SetFilePointer.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Mon, 14 Jul 2008 16:17:21 +0000 Subject: Re: Hardware support for AMD Geode CS5536 audio? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: ancelgray@yahoo.com List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Jul 2008 16:07:43 -0000 OK, After doing a little more reading, I see that a DOS test program is impossible because the MSR registers for the audio controller are accessed in protected mode only. There actually are opcoded assembler instructions to access the MSR's: RDMSR WRMSR This is a show stopper in DOS. This is gonna take a little patience. Andrew -- This message was sent on behalf of ancelgray@yahoo.com at openSubscriber.com http://www.opensubscriber.com/message/freebsd-hackers@freebsd.org/8429646.html