AHCI includs a PCI BAR (base address register) to achieve the native SATA function. As the AHCI successfully develops a unified interface,allow the Serial ATA product development work greatly simplified. It can achieve a number of features including NCQ (Native Command Queuing).
This is a tip to enable AHCI at the boot level to speed up the performance of your SATA disk.
- Start your registry with "regedit".
- Browse to the "HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\Msahci"
- Locate the parameter "Start" on the right side.
- Double click it to change its value from 3 to 0.
- Restart the computer.