Is the Win7 64-bit flagship AHCI feature enabled to improve hard disk performance?

Users who use the WINDOWS7 operating system will know a lot of data and we are all modified in Registry Editor. What is AHCI? AHCI is the meaning of serial on the ATA Advanced Master interface, and the wide functionality is to allow the storage driver to enable advanced SATA functionality. By opening AHCI, we can better play the potential performance of SATA hard drives, and greatly increase the read and write speed of the hard disk.

Action method:

First, in the Win7 64-bit flagship desktop status bar Start menu, select the "Run" column in the menu item, and then enter "regedit" in the pop-up window, and hold the ENTER key to open Registry Editor.

Second, then in Registry Editor, enter the HKEY_LOCAL_MACHINESYSTEMCURRENTCONTROLSETSERVICESMSAHCI key in turn, and then double-click the start item in the right window, a dialog box pops up.

Third, then in the win764 bit of the latest pure version of the window, the default value of the data modified to 0, and then click "OK" button, save it, and then you restart the computer.

After restarting the computer, enter the BIOS interface, and then change the project ATA raid/ahci Mode "to AHCI" on the "Integrated Peripherals" page. When you save the reboot, the AHCI driver is automatically installed when you enter the system interface. The system restarts after the installer, that is, the AHCI mode on the hard drive is turned on.