Date: Fri, 7 Sep 2001 15:52:16 +0200 From: "Ruben de Groot" <RGROOT@dto.tudelft.nl> To: freebsd-questions@freebsd.org Subject: Re: UDMA question Message-ID: <9najeh$l15$1@news1.xs4all.nl> In-Reply-To: <20010907.11163300@ideal.darlow.co.uk>
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"Neil Darlow" <neil@darlow.co.UK> 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
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