Re: IDE Harddrive Performance

Oleg Artamonov (oleg@dnph.phys.msu.su)
Wed, 19 Dec 2001 19:28:59 +0300


Brendan Pike ΞΑΠΙΣΑΜ:

> 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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