o yeah... help for u...
check your bios, make sure that the drives are still being detected as what they are
udma 5 = ata100
udma 4 = ata66
udma 2 = ata33
dma = ata (16mb/sec)
also check in your system configuration that DMA is enabled on all relivant drives.
if that doesnt work, you may want to consider running the drive by itself on a cable
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