I just bought a Asrock z77 extreme 4, and tried installing new OS win 7 64 bit.
But i coulnt boot into DVD drive for couple of times, the pluged that into sata2 port.
Then when about to select a partition for win installtion windows say "Installation cannot proceed with the Disk 0 partition. bla bla bla and check bios"
So after some checking i changed the sata mode to IDE in bios from AHCI mode,
every thing went fine and installed the OS.
Then i was curios if my sata HDD is running in 6 Gb/s.
So i came across a tutorial and followed it, change a registry value and then in bios change sata to AHCI mode.
Now when i check , i could see in that intel software that my HDD runs in 3 GB/s.
Pls suggest me how to change mine to 6 GB/S. and why it didnt recognize the HDD in first place ?