Re: Help me about my two Promise UDMA133 TX2, they can only worked in mode UDMA2 !!!

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YES! It did work!!!
Thanks Arjan van de Ven. Thank you very much!!!
now it is working at UDMA(133) and UDMA(100).
I have tested them. For the bus reason, I think, It can reach those:
 
/dev/hde
 Timing buffer-cache reads:   128 MB in  1.55 seconds = 82.23 MB/sec
 Timing buffered disk reads:  64 MB in 1.56 seconds =  40.93 MB/sec
and
/dev/md0
 Timing buffer-cache reads:   128 MB in  1.55 seconds = 82.62 MB/sec
 Timing buffered disk reads:  64 MB in 1.52 seconds =  42.03 MB/sec
the raid /dev/md0 is a raid5 disk.
it is not much more than one disk. I think it is limited by the bus. May be it can only reach half of the bus's speed.
Any way, the disk is work in right way. Thanks alot!

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