I am running Premium with two WD RE 250GB hard disks at SATA1. It seams that it works ok but even so I see disk related errors at system log. I have observe up to 5/day until now. That makes me suspsect that the controler problem is still present even at SATA1.
sesdave, can you check your system log to see if there are disk related errors, especially with ID 11?
My old PC with IDE drives never had one of these errors in system log.
Generally the best way to be sure about SATA2 problem is to check system log regularly. From the number of disk errorrs (ID=11 especially, but also warnings that I am not getting any more at SATA1 configuration) you can measure how the SATA problem affects your system. You can copy a big file to the same disk and see if errors appear in system log.
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