SATA Silicon Image Speed Issue

Si Jones si at bananas.hopto.org
Wed May 26 20:58:43 UTC 2004


>Date: Wed, 26 May 2004 13:02:45 -0500
>From: Randy Kelsoe <randykel at swbell.net>
>Subject: Re: SATA Silicon Image Speed Issue
>To: For users of Fedora Core releases <fedora-list at redhat.com>
>Message-ID: <40B4DBC5.8030406 at swbell.net>
>Content-Type: text/plain; charset=us-ascii; format=flowed

>Si Jones wrote:

>>When looking at the logs the driver seems to show that UDMA133 is max
>>and the drive is configured to UDMA100.
>
>>Am wondering why? under windows the drive shows as UDMA6 Mode /
UDMA150
>>so was wondering does anyone know how to get the driver to change
mode,
>>also native command queueing should be available but am unsure how to
>>check this.... anyone any good with this?
>
>Are you running FC1 or FC2? With FC1 and a 2.4 kernel, the driver is 
>PATA and not SATA, so the drive will look like an ATA100. I'm not 
>running FC2, yet, so I don't know if libata for the SATA drives is 
>working, or set up.


Am running FC2, kernel 2.6.6 and had the same issues on kernel 2.6.5, it
is libata in the kernel and works fine but as said there seems to be
very relaxed performance. Am not saying it is bad, but belive it could
be better.






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