Dell OptiPlex 390 Owner's Manual page 63

POST Behavior
Keyboard Errors
POST Hotkeys
Fast Boot
Virtualization Support
Virtualization
VT for Direct I/O
Maintenance
Service Tag
Asset Tag
SERR Messages
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 provided by
Intel® Virtualization Technology. Enable Intel Virtualization
Technology - This option is disabled by default.
Enables or disables the Virtual Machine Monitor (VMM) from
utilizing the additional hardware capabilities provided by Intel®
Virtualization technology for direct I/O. Enable Intel
Virtualization Technology for Direct I/O - This option is disabled
by default.
Displays the Service Tag of your computer.
Allows you to create a system asset tag if an asset tag is not
already set. This option is not set by default.
Controls the SERR message mechanism. This option is not set
by default. Some graphics cards require that the SERR message
mechanism be disabled.
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