Date: Sun, 9 Aug 1998 10:50:42 +0930 From: Greg Lehey <grog@lemis.com> To: Donald Burr <dburr@pobox.com>, davidh@apdata.com.au Cc: freebsd-hardware@FreeBSD.ORG Subject: Re: Toshiba 300CDS Message-ID: <19980809105042.S14475@freebie.lemis.com> In-Reply-To: <XFMail.980808163858.dburr@pobox.com>; from Donald Burr on Sat, Aug 08, 1998 at 04:38:58PM -0700 References: <XFMail.980809012302.davidh@snowflake.apdata.com.au> <XFMail.980808163858.dburr@pobox.com>
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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
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