Windows7 system opens AHCI boost drive

Source: Internet
Author: User
Tags file copy

The first step: press the win key. Enter "regedit" in the run bar and return to open Registry Editor.

Step two: After opening Registry Editor, go to the "Hkey_local_machinesystemcurrentcontrolset servicesmsahci" key value. Double-click the item named "Start" in the right window to pop up a dialog box that changes the default parameter from 3 to 0. Click OK to reboot the computer.

Step three: After restarting the computer, enter the BIOS, in the "Integrated Peripherals" page, change "SATA raid/ahci Mode" to "AHCI".

Save the reboot and the system will automatically install the AHCI driver. After installation, the system will require restart again, after reboot, the hard drive AHCI mode is open.

Editorial comments: After the hard drive changes to AHCI mode, the system startup speed does not change very much. However, in a large file copy, the speed from the original 60mb/s to the 71mb/s, performance improvement of about 20%. The hard drive has also been improved in the system score in Windows7.

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