Advanced host controller interface is a mode that a serial advanced technology attachment device can emulate. The ASUS P5N7A-VM motherboard can run SATA hard drives in AHCI or integrated drive electronics mode. AHCI mode works with Windows Vista, Windows 7 and Linux with kernel 2.6.19 and greater. AHCI mode also enables special features on the SATA hard drive; activating AHCI mode on an ASUS P4N7A-VM will enable hot swapping, allowing you to switch SATA devices while the computer is turned on, and native command queuing, which optimises disk performance. To change a SATA hard drive from IDE mode to AHCI mode, boot in to the motherboard's basic input/output system software at start-up and change the device's mode options.
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Turn on or reboot the computer. Press "Del" on the boot screen to go to the BIOS set-up.
Use the arrow pad to select the "Main" tab. Go to "Storage Configuration" and press "Enter." Scroll down to "SATA Mode Select."
Press "Enter" to view the options. Select "AHCI Mode," and then press "Enter," to run the SATA drive in AHCI mode on the ASUS P5N7A-VM.
Press "Esc" to return to the "Main" menu. Use the arrow pad to go to the "Exit" tab.
Scroll down to "Exit & Save Changes." Press "Enter." Select "OK," then press "Enter" again to save your changes and activate AHCI mode on the ASUS P5N7A-VM.
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