Windows2008 Setup Tutorial - Turn on AHCI feature

AHCI full name Advanced Host Controller Interface, a technology led by Intel, can play the potential acceleration function of SATA hard disk, which can increase the read/write speed of hard disk by about 30%, so it is supported by both motherboard and hard disk. The function is still turned on. Let's talk about how to open this function under windows2008.

First disable the AHCI function in the BIOS, install the system;

After the installation, start the windows2008 system;

Do not run any other programs, run the registry editor, single Click "Start", type [regedit] in the "Run" box, and press Enter to execute; if the "User Account Control" dialog box is displayed, click “Continue”; Click the following registry subkey: HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Services\\Msahci; In the right pane, find the column named "Start"; then right-click “Modify ”; in “ In the ” box, type 0, then click “OK">; on the "File" menu, click “ Exit & rdquo; to close the Registry Editor; restart the computer, reboot and enter the BIOS settings, open AHCI function, continue to restart after setting is completed; restart to windows, the system will automatically install AHCI driver, the driver is installed, restart the computer according to the prompt. Install INTEL MATRIX STORAGE MAN after restart AGER, restart again; now you can see in the device manager that the IDE ATA/ATAPI controller has been displayed as AHCI Controller. At this point, AHCI is completed, let us feel the thrill of 30% performance improvement.