From owner-freebsd-questions Fri Aug 4 17:10: 9 2000 Delivered-To: freebsd-questions@freebsd.org Received: from ns1.hutchtel.net (ns1.hutchtel.net [206.9.112.100]) by hub.freebsd.org (Postfix) with ESMTP id 87C2037BA8B for ; Fri, 4 Aug 2000 17:09:58 -0700 (PDT) (envelope-from jpaetzel@hutchtel.net) Received: from mark8 (hutch-364.hutchtel.net [206.10.68.64]) by ns1.hutchtel.net (8.9.1/8.9.0) with SMTP id TAA15394; Fri, 4 Aug 2000 19:09:50 -0500 (CDT) Message-ID: <006401bffe72$40af4b60$40440ace@mark8> From: "Josh Paetzel" To: "Richard Mahoney" , "freebsd-questions" References: Subject: Re: CMD 640 ATA controller !WARNING! Date: Fri, 4 Aug 2000 19:15:24 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2919.6700 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2919.6700 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG ----- Original Message ----- From: "Mahoney, Richard B." To: "freebsd-questions" Sent: Friday, August 04, 2000 6:21 PM Subject: CMD 640 ATA controller !WARNING! > Dear Readers > > I've recently replaced 3.4 Release with 4.0 Release on my elderly DEC > Venturis 5133. FreeBSD runs Emacs and Tex faster and more reliably than > was ever possible under the other OS. There is only one problem. > > Under 3.4 the boot messages complained that my CMD 640 ATA > controller was rubbish. For all that, 3.4 made concessions for > substandard hardware. It seemed to include a workaround and my > CD-ROM worked. > > I'm unhappy to say that this doesn't seem to be the case with 4.0. > > When I boot under 4.0 I get: > > atapci0: possible> irq 14 at device 8.0 on pci0 > atapci0: Busmastering DMA not supported > > and later on: > > ad0: 4126MB [8944/15/63] at ata0-master using BIOSPIO > ad1: 1625MB [3303/16/63] at ata0-slave using BIOSPIO > acd0: CDROM at ata1-master using BIOSPIO > > The upshot of all this is that if I am foolish enough to try to use my CD > the system will hang. With 4.0 I'd hoped to be able to liberate myself > from the other OS for ever. Now it seems I'm going to have to keep a DOS > partition merely for accessing the CD. > > My question is: > > Is there a workaround for this crappy controller which can be used > under 4.0 Release. I've been told that the contoller is stuck to the > motherboard and can't be replaced. And for all that, apart from this > problem, I'm rather attached to the old machine. > While your controller can't be removed, it probably can br disabled via a jumper on the motherboard if you are unlucky, or via the BIOS if you are lucky. You could then get an IDE controller and plug it into a handy-dandy ISA slot. Josh > -- > Regards Richard Mahoney > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message