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Date: Fri, 2 Jan 2004 18:17:30 +0100
From: Stefan =?iso-8859-1?Q?E=DFer?= <Stefan.Esser@SE-IT-Security.de>
To: Daniel Ortiz <d.ortiz@in.ilimit.es>
Message-ID: <20040102171730.GB11022@StefanEsser.FreeBSD.org>
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Subject: Re: atacontrol/udma
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On 2004-01-02 12:41 +0100, Daniel Ortiz <d.ortiz@in.ilimit.es> wrote:
> But atacontrol always says me that it uses UDMA33 instead of SATA-150 or
> other (I can't set UDMA66/100/133/150), in bios I tried to use legacy,
> combined and enhaced modes but always work in UDMA33.
> 
> ad0: DMA limited to UDMA33, non-ATA66 cable or device
> ad1: DMA limited to UDMA33, non-ATA66 cable or device
                              ^^^^^^^^^^^^^^^

You need to use an 80 wire cable for higher transfer speeds 
than UDMA33. (Your cable appears to be of the 40 wire kind).

Regards, STefan