Win7 64-bit flagship version of the AHCI function can improve the performance of the hard disk

users who use the Windows7 operating system will know a lot of data, we are all modified in the registry editor. What is AHCI? AHCI refers to serial meaning in the ATA advanced host interface. The wide function is to allow the storage driver to enable advanced SATA functions. After opening AHCI, we can better exploit the potential performance of SATA hard drives and greatly increase the read and write speed of hard drives.
Operation method:
First, in the win7 64-bit Ultimate desktop status bar start menu, select the "Run" column in the menu item, then enter "regedit" in the pop-up window, press and enter The key opens the Registry Editor.

two, and then in the Registry Editor, turn into HKEY_LOCAL_MACHINESystemCurrentControlSetServicesMsahci key, and then double-click the START project in the right window will pop up a dialog box.

Third, followed win764 bit window pops up to date pure version, the default value data = 0, and then click "OK" button, and then you restart the computer and then save.

Fourth, restart the computer, enter the BIOS interface, and then in the "Integrated Peripherals" page, the item ATA RAID /AHCI Mode "changed to" AHCI ". At this point you save reboot into the system will interface that is The AHCI driver is automatically installed. After the program is installed, the system will restart again, ie the AHCI mode on the hard disk will be opened.