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From: Oleg Artamonov <oleg@dnph.phys.msu.su>
Organization: Moscow State University, Department of Nuclear Physics
To: spike@superweb.ca, linux-kernel@vger.kernel.org
Subject: Re: IDE Harddrive Performance
Date: Wed, 19 Dec 2001 19:28:59 +0300
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Brendan Pike ???????:

> wowie, that is quite slow then. well udma33 mode is probebly why. if
> getting an ata100 offboard card (since i have an ata100 drive) would make
> such a big differance, im all for it. would there be any others reasons for
> such slowness? is udma33 capible of more then 9MB/sec ??

  Yes, of course it's capable. Up to 33Mbytes/sec (really you should see 
about 20Mbytes/sec or more). Sounds like you disable 32-bit transfer or 
disable DMA modes.

> dont know if that info would help much but there it is. also uses the via
> kernel driver.

  What 'hdparm /dev/<your drive>' and 'hdparm -i /dev/<your drive>' says?
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