From owner-freebsd-questions Fri Sep 7 6:52:27 2001 Delivered-To: freebsd-questions@freebsd.org Received: from smtp8.xs4all.nl (smtp8.xs4all.nl [194.109.127.134]) by hub.freebsd.org (Postfix) with ESMTP id D0ACB37B406 for ; Fri, 7 Sep 2001 06:52:22 -0700 (PDT) Received: from list1.xs4all.nl (list1.xs4all.nl [194.109.6.52]) by smtp8.xs4all.nl (8.9.3/8.9.3) with ESMTP id PAA14016 for ; Fri, 7 Sep 2001 15:52:21 +0200 (CEST) Received: (from root@localhost) by list1.xs4all.nl (8.9.3/8.9.3) id PAA04480; Fri, 7 Sep 2001 15:52:20 +0200 (CEST) From: "Ruben de Groot" To: freebsd-questions@freebsd.org X-Via: imploder /usr/local/lib/mail/news2mail/news2mail at list1.xs4all.nl Subject: Re: UDMA question Date: Fri, 7 Sep 2001 15:52:16 +0200 Organization: XS4ALL Internet BV Message-ID: <9najeh$l15$1@news1.xs4all.nl> In-Reply-To: <20010907.11163300@ideal.darlow.co.uk> Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG "Neil Darlow" wrote: > /dev/ad0 - UDMA/66 drive > /dev/ad2 - UDMA/66 drive > /dev/acd0 - UDMA/33 cdrom > > The cdrom drive is slave to /dev/ad0 and bios says it's in PIO4. > > The system runs fine but /dev/ad0 drops to UDMA/33 operation which I > assume is caused by the presence of the cdrom. > > Is there any way I can restore UDMA/66 operation to /dev/ad0 with the > setting of driver flags etc? > > Please don't say remove the cdrom and, yes, UDMA/66 cables are used > for both drive chains. I'm going to say it anyway: remove the cdrom. You can't have UDMA/66 and UDMA/33 on the same cable at the same time. Sorrie To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message