Asus M2N DH - Manual (Page 74)

4-14 Chapter 4: BIOS setup
4.3.4 IDE Configuration
The items in this menu allow you to set or change the configurations for the IDE
devices installed in the system. Select an item then press if you wish to
configure the item.
IDE Configuration
Onboard IDE Controller [Enabled]
Serial-ATA Devices [Device 0/1]
nVidia RAID Function [Disabled]
Onboard IDE Controller [Enabled]
Allows you to enable or disable the onboard IDE controller.
Configuration options: [Enabled] [Disabled]
Serial-ATA Devices [Device 0/1]
Allows you to disable or set the Serial-ATA devices.
Configuration options: [Disabled] [Device 0] [Device 0/1]
nVidia RAID Function [Disabled]
Allows you to enable or disable the NVIDIA RAID function.
Configuration options: [Enabled] [Disabled]