Dell OptiPlex 990 Desktop Service Manual page 68

Power Management
Wake on LAN
POST Behavior
Numlock LED
Keyboard Errors
POST Hotkeys
Fast Boot
Virtualization Support
Virtualization
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This option allows the computer to power up from the off state
when triggered by a special LAN signal. Wake-up from the
Standby state is unaffected by this setting and must be
enabled in the operating system. This feature only works when
the computer is connected to AC power supply.
• Disabled — Does not allow the system to power on by
special LAN signals when 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.
This option is Disabled by default.
Allows you to enable or disable the Numlock feature when
your computer starts. This option is enabled by default.
Allows you to enable or disable the keyboard error reporting
when the computer starts. This option is enabled by default.
Allows you to specify the function keys to display on the
screen when the computer starts.
Enable F12 — Boot menu (enabled by default)
This option can speed up the boot process by bypassing some
compatibility steps:
• Minimal — The system boots quickly, unless the BIOS
has been updated, memory changed, or the previous
POST did not complete.
• Thorough — The system does not skip any steps in the
boot process.
• Auto — This allows the operating system to control
this setting (this works only when the operating system
supports Simple Boot Flag).
This option is set to Thorough by default.
This option specifies whether a Virtual Machine Monitor
(VMM) can utilize the additional hardware capabilities