Sabertooth X79; 1 each, 1TB HDD for Windows 7 Professional 64 bit OS; 1 each, 1TB HDD for Programs; 1 TB HDD for Scratch Disk, 1 each, 2TB HDD for Files. Does it matter whether the OS HDD is plugged into the Intel SATA 6Gb/s or the Marvel connections? Does it matter which 6 Gb/s SATA connections are used for any of the 4 HDDs?