BIOS Settings Glossary version 19

BIOS Settings Glossary BACK
V19 – November 2012 BACK
Clear Trusted
Platform Module
Maintenance
• No
• Yes
Erases all stored encryption keys and clears the TPM
owner. Used to clear the TPM if you are transferring
ownership of the platform to a new owner.
This BIOS setting is present only on Intel® Desktop
Boards that include support for Trusted Platform Module
(TPM) and have TPM enabled.
For more information, refer to your Trusted Platform
Module Quick Reference Guide.
Clear User
Password
Security
Continue?
(Y/N)
Clears the user password.
This BIOS setting is present only if a user password has
been set.
Coherency Support
Security > Intel® VT for
Directed I/O (VT-d)
• Enable
• Disable
Enables or disables Non-Isoch VT-d Engine Coherency
Support
Color Depth
Configuration > Video > LVDS
Settings > Advanced LVDS
Settings
• 18-bpp
• 24-bpp
(VESA)
• 24-bpp
(JEIDA)
Sets flat panel display color depth in bits per pixel (bpp)
and data mapping.
Note: 24-bpp (VESA) is displayed as “24-bpp” if there is
no JEIDA support.
Command Rate
Performance > Memory
Overrides > Performance
Memory Profiles
• Auto
• 1T
• 2T
Auto: adjusts based on memory mode.
2T is usually more stable.
Computer Name
Intel® ME > Intel® Active (or
Standard) Management
Technology Configuration >
Local Setup and Configuration
User defined
Sets the computer name.
Control Mode
Configuration > Fan Control &
Real-Time Monitoring
• Minimum
• Off
• Manual
Select how the fan connected to this header is to be
controlled.
Minimum: sets a minimum duty cycle that the fan will
never go below.
Off: sets the duty cycle to 0.
Manual: specifies an exact duty cycle.
Control
Temperature
Configuration > Fan Control &
Real-Time Monitoring
Numeric
Defines temperature that the fan control subsystem
attempts to maintain for this device.
Core Max Multiplier
Performance
Information
only
Displays the default, proposed and active core max
multiplier.
CPU C States
Power
• Enable
• Disable
Enable or disable the CPU C State.
If enabled, BIOS will report C States below C1 to the
operating system. This allows the processor to be placed
into lower power states when idle to reduce power
consumption and heat generation.
CPU Idle State
Performance > Processor
Overrides
• High
Performance
• Low Power
High Performance forces the operating system to use
the Maximum Multiplier at all times.
Low Power allows the operating system to adjust the
multiplier down.
CPU Voltage
Override
Performance > Processor
Overrides
Multiple voltage
values
Sets the processor voltage.
Warning: Changing this value from the default can
shorten the life of the processor. Default value is strongly
recommended.