From owner-freebsd-questions@FreeBSD.ORG Sat Sep 10 15:28:10 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id DF3AF16A41F for ; Sat, 10 Sep 2005 15:28:10 +0000 (GMT) (envelope-from paulh@bdug.org.au) Received: from mail.bdug.org.au (mail.bdug.org.au [202.72.170.31]) by mx1.FreeBSD.org (Postfix) with ESMTP id CE03C43D48 for ; Sat, 10 Sep 2005 15:28:09 +0000 (GMT) (envelope-from paulh@bdug.org.au) Received: from localhost (localhost.bdug.org.au [127.0.0.1]) by mail.bdug.org.au (Postfix) with ESMTP id 16707D98; Sat, 10 Sep 2005 23:29:13 +0800 (WST) Received: from mail.bdug.org.au ([127.0.0.1]) by localhost (ant.bdug.org.au [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 17619-09; Sat, 10 Sep 2005 23:29:09 +0800 (WST) Received: from w2k2 (unknown [192.168.0.102]) by mail.bdug.org.au (Postfix) with ESMTP id 7BC0AD95; Sat, 10 Sep 2005 23:29:09 +0800 (WST) From: "Paul Hamilton" To: "'Roland Smith'" Date: Sat, 10 Sep 2005 23:28:08 +0800 Message-ID: <061801c5b61c$3f4a7170$6600a8c0@w2k2> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook, Build 10.0.6626 Importance: Normal X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1506 In-Reply-To: <20050910135145.GA89091@slackbox.xs4all.nl> X-Virus-Scanned: amavisd-new at bdug.org.au Cc: freebsd-questions@freebsd.org Subject: RE: Accessing the Digital IO pins on a VIA EPIA-PD motherboard - Second question 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: Sat, 10 Sep 2005 15:28:11 -0000 Hi Roland, Thanks for the VIA Forum tip. I will see what they have to say. Cheers, Paul Hamilton > -----Original Message----- > From: Roland Smith [mailto:rsmith@xs4all.nl]=20 > Sent: Saturday, 10 September 2005 9:52 PM > To: Paul Hamilton > Cc: freebsd-questions@freebsd.org > Subject: Re: Accessing the Digital IO pins on a VIA EPIA-PD=20 > motherboard - Second question >=20 >=20 > On Sat, Sep 10, 2005 at 09:13:20PM +0800, Paul Hamilton wrote: > > Ok, so it doesn't look like anyone knows anything about how=20 > to access=20 > > the DIO pins on this MB. > >=20 > > Next question, How does one go about analysing the hardware to find=20 > > out what the io and interrupt addresses might be? >=20 > Looking at page 5 of the manual for this mobo=20 > (http://www.viaembedded.com/product/Download.jsp?motherboardId =3D241), it looks like there is a VT1211 super I/O chip connected to the VT8235 southbridge.=20 The GPI/O is nowhere to be to been seen on this drawing, but the webpage = for the VT1211 (http://www.via.com.tw/en/products/peripherals/super-io/) lists "56 General Purpose I/O Pins" My guess would be that that's what you're looking for. You'd have to talk to VIA how the 8 pins on the mobo = are connected to the VT1211. VIA has released an IrDA driver for the VT1211, but it is Linux-only and binary-only. You could write VIA and ask them to release enough documentation to = allow a driver for the digital I/O pins to be written. Good luck. Roland --=20 R.F.Smith (http://www.xs4all.nl/~rsmith/) Please send e-mail as plain = text. public key: http://www.xs4all.nl/~rsmith/pubkey.txt