5-4 Using BIOS Setup and System RecoveryMain MenuThe Main menu contains the various system settings.Information Main Advanced Security Boot ExitSystem Time:System Date:Legacy USB Support:Wireless LAN:[ :33:08][05/14/2010][Enabled][Last State]F1 Help ↑↓ Select Item -/+ Change Values F9 Setup DefaultsEsc Exit ←→ Select Menu Enter Select Sub-Menu F10 Save and ExitSystem Time sets the system time.System Date sets the system date.Legacy USB Support enables or disables the system’s support for Legacy USB devicein DOS mode.Wireless LAN setting this item toOff will start the system with wireless radio off,On will start the system with the wireless radio on, andLast State will start thesystem based on the state of wireless radio during your last power off.11