User`s manual

MC-4510-C23 BIOS Setup
4-7
OnChip IDE Device
SATA Mode
This item allows you to select the IDE mode or AHCI mode for your SATA hard disk..
Options: IDE (default), AHCI
Legacy Mode Support
This item allows you to enable or disable the legacy USB device.
Options: Disabled (default), Enabled
Onboard Device
Onboard LAN Boot ROM
Decide whether to invoke the boot ROM of the onboard LAN chip.
Options: Enabled, Disabled (default)