Dell Alienware X51 R2 Owner's Manual - Page 13

Advanced - Integrated Devices USB Controller Allows you to enable or disable the integrated USB controller. HD Audio Allows you to enable or disable the integrated audio controller. Onboard LAN Controller Allows you to enable or disable the onboard LAN controller. Primary Display Allows you to select which of the Integrated/Discrete graphics device should be the Primary Display. PXE Option UEFI PXE Driver Allows you to enable to disable boot option for UEFI (Unified Extensible Firmware Interface) Network Devices. PCIE Gen3 Allows you to enable or disable PCIE Gen3 capability. Advanced - Power Management Setup AC Recovery Sets what action the computer takes when power is restored. Security Supervisor Password: Displays the Supervisor Password status. User Password: Displays the User Password status. Set Supervisor Password Allows you to set or change a supervisor password. Set User Password Allows you to set or change a user password. NOTE: This item is only displayed when the supervisor password is already set. Boot Menu Security Allows you to enable to disable Boot Menu Security. NOTE: This item is only displayed when the supervisor password is already set. Boot Boot Configuration Bootup NumLock State Allows you to enable or disable the keyboard NumLock state. Wait For 'F1' If Error If enabled, the system HALT during boot to display system errors. Secure Boot Control Allows you to enable or disable secured booting. Load Legacy OPROM Allows you to enable or disable the Legacy Option ROM. System Setup | 13