BIOS Settings Glossary version 13 - Alphabetical

BIOS Settings Dictionary – Alphabetical
V13 – November 2009
Configure SATA as… Advanced > Drive
Configuration
• IDE
• RAID
• AHCI
IDE is default
RAID: enables RAID which may require you to install the
RAID Driver during OS installation
AHCI: allows you to take advantage of Advanced Host
Controller Interface features such as Native command
Queuing, Hot plug, etc., without the option to use RAID.
Requires a hard drive that supports AHCI.
Configure Storage
Controller as
Advanced > Drive
Configuration
• SATA only
• PATA pri, SATA
sec
• SATA pri, PATA
sec
• PATA only
Determines which storage ports will be available.
Core Multiplexing
Technology
This BIOS setting is
present only when a
dual core processor is
installed.
Main • Disable
• Enable
When disabled, turns off all but one processor core. You
may need to disable this for legacy operating systems that
do not support multiple cores. The remaining core may
have access to more cache. The amount of cache available
to the remaining core will depend on the particular
processor. The increase in available cache can result in
better performance under certain applications.
CPC Override Advanced >
Chipset
Configuration
or
Advanced >
Memory
Configuration
• Auto
• Enable
• Disable
Controls Command Per Clock/1n rule mode. When
enabled, allows DRAM controller to attempt Chip Select
assertions in two consecutive common clocks.
CPU C State Power • Disable
• Enable
Allows processor to set idle state for power savings. Takes
affect only after reboot.
CPU Cooling Fan Advanced >
Hardware
Monitoring
No changeable
options
Displays fan speed of the CPU fan
CPU Die/Package
Temperature
Advanced >
Hardware
Monitoring
No changeable
options
Displays processor's temperature.
CPU Fan Control Advanced > Boot
Configuration
• Disable
• Enable
Allows the CPU fan to be controlled in order to optimize
acoustics. If disabled, the CPU fan will run at 100%.
CPU Fan Speed Advanced >
Hardware
Monitoring
No changeable
options
Displays processor fan speed
CPU Frequency
Multiplier
This BIOS setting is
present only when
Default Frequency
Ratio is disabled.
Maintenance User Defined Sets the ratio between CPU Core Clock and the Front Side
Bus (FSB)
CPU Microcode
Update Revision
Maintenance No changeable
options
Displays processor’s Microcode Update Revision.
CPU Stepping
Signature
Maintenance No changeable
options
Displays processor’s Stepping Signature.
CPU Temperature Advanced >
Hardware
Monitoring
No changeable
options
Displays processor's temperature.