MSI CR630 User Manual page 92

4-8
Legacy USB Support
Selecting Enabled allows users to use USB devices, such as mouse,
keyboard, or portable disk, in DOS system; or allows users to boot the
system by USB device. Setting options: Enabled, Disabled and Auto.
OnChip SATA Type
Select Native IDE to enable the hard disk device with IDE interface.
Select IDE->AHCI to enable the hard disk device with AHCI mode while
entering the operating system. Setting options: Native IDE and
IDE->AHCI.