I can't help putting a word of caution here. I have managed to corrupt
filesystem even if my mobo and hdd support UDMA 33.
I don't see much of difference in -tT tests with -Xxx flags...
I think UDMA mode need special cables of 80 'pins' rather than normal 40 'pin'
cable. Rest of 40 pins are supplied as additional grounds. Cable looks tha same
but it's not.
Correct me if I am wrong.
Shridhar
Ashwin D wrote:
> U can try hdparm -X66 /dev/hd? (UDMA 2, X67=udma3, X68-udma4)
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