Option DescriptionThis option is disabled by default.Fan Control Override Controls the speed of the system fan. This option is disabled by default.NOTE: When enabled, the fan runs at full speed.USB Wake Support This option allows you to enable USB devices to wake the computer from standby.• Enable USB Wake Support - This option is disabled by default.Wake on LAN This option allows the computer to power up from the off state when triggered by aspecial LAN signal. Wake-up from the Standby state is unaffected by this setting andmust be enabled in the operating system. This feature only works when the computeris connected to AC power supply. The options differ based on the form factor.• Disabled - Does not allow the system to power on by special LAN signalswhen it receives a wake-up signal from the LAN or wireless LAN.• LAN Only - Allows the system to be powered on by special LAN signals.• WLAN Only - Allows the system to be powered on by special WLAN signals.(For Ultra Small Form Factor only)• LAN or WLAN - Allows the system to be powered on by special LAN or WLANsignals. (For Ultra Small Form Factor only)This option is Disabled by default.Block Sleep This option lets you block entering to sleep (S3 state) in operating systemenvironment.• Block Sleep (S3 state) - This option is disabled by default.Table 7. POST BehaviorOption DescriptionNumlock LED Specifies if the NumLock function can be enabled when the system boots. This optionis enabled by default.Keyboard Errors Specifies whether keyboard related errors are reported when it boots. This option isenabled by default.POST Hotkeys Specifies whether the sign-on screen displays a message, that displays the keystrokesequence required to enter the BIOS Boot Option Menu.• Enable F12 Boot Option menu - This option is enabled by default.Table 8. Virtualization SupportOption DescriptionVirtualization This option specifies whether a Virtual Machine Monitor (VMM) can utilize theadditional hardware capabilities provided by Intel Virtualization technology.• Enable Intel Virtualization Technology - This option is enabled by default.VT for Direct I/O Enables or disables the Virtual Machine Monitor (VMM) from utilizing the additionalhardware capabilities provided by Intel® Virtualization technology for direct I/O.45