From owner-freebsd-hardware Sat Aug 8 18:21:07 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id SAA20878 for freebsd-hardware-outgoing; Sat, 8 Aug 1998 18:21:07 -0700 (PDT) (envelope-from owner-freebsd-hardware@FreeBSD.ORG) Received: from allegro.lemis.com (allegro.lemis.com [192.109.197.134]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id SAA20872 for ; Sat, 8 Aug 1998 18:21:03 -0700 (PDT) (envelope-from grog@freebie.lemis.com) Received: from freebie.lemis.com (freebie.lemis.com [192.109.197.137]) by allegro.lemis.com (8.9.1/8.9.0) with ESMTP id KAA05511; Sun, 9 Aug 1998 10:50:43 +0930 (CST) Received: (from grog@localhost) by freebie.lemis.com (8.9.1/8.9.0) id KAA04287; Sun, 9 Aug 1998 10:50:42 +0930 (CST) Message-ID: <19980809105042.S14475@freebie.lemis.com> Date: Sun, 9 Aug 1998 10:50:42 +0930 From: Greg Lehey To: Donald Burr , davidh@apdata.com.au Cc: freebsd-hardware@FreeBSD.ORG Subject: Re: Toshiba 300CDS References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.91.1i In-Reply-To: ; from Donald Burr on Sat, Aug 08, 1998 at 04:38:58PM -0700 WWW-Home-Page: http://www.lemis.com/~grog Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-41-739-7062 Sender: owner-freebsd-hardware@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Saturday, 8 August 1998 at 16:38:58 -0700, Donald Burr wrote: > My secret spy satellite informs me that on 08-Aug-98, David Hunt wrote: >> Hi all >> >> I have a Toshiba 300CDS Laptop that has a weird problem, the BIOS has >> the >> serial port setup for 0x3f8 irq 4, with a default install of >> 2.2.6-RELEASE this >> device is not picked up, it does work under Win 95 ok. > > This is a well-known problem, and it involves a "broken" I/O controller on > your notebook's motherboard. Some controllers are "broken" in that they > do not probe correctly. > > This problem, by the way, also occurs on some motherboards, e.g. the IWill > boards, that have similarly "broken" I/O controllers. > > For a fix, please see: > > http://www.lemis.com/serial-port-patch.html > > These contain a set of kernel patches for both 2.2.x and 3.0 systems > (don't worry, they are extremely easy to apply). Simply patch and rebuild > your kernel, and your ports should be A-OK. Don't use these patches if you can help it. They're a kludge, and the problem is fixed (correctly) in 2.2.7. Greg -- See complete headers for address and phone numbers finger grog@lemis.com for PGP public key To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message