I replaced the standard HD with a Samsung 840 series SSD but am unable to get the SATA3 ports to work at 6Gh. The Bios has been set to ACHI. The samsung utility indicates that i am not operating at 6Gh. With WIN 7 already installed now can the AMD 850 controller drivers be up graded so as to operate at 6Ghz? Some info in a read me file indicate the driver can be updated via the Device manager. The ? is how
??