WOW, thanks a million. Well tried AHCI again now (as I didn't notice much difference first time I tried months ago) but all problems are gone with AHCI. I know some sites say its a small bit slower, but some also say its faster... In my case i can now transfer from optical drive and access hdd's all at once and no stuttering or weirdness like with IDE.
I would recommend AHCI to everyone.
Simply opened .reg file from that site you gave me and installed latest beta intel matrix drivers for Win 7 from
http://www.techspot.com/drivers/driv...rmation/11963/
A few reboots later and everything working fine as far as I can tell. Thanks again.
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