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56 Configuring the BIOS
Advanced
CPU
Configuration
Allows you to enable or disable the CPU features that enhance
the performance of the system.
• CPU Multiplier—The CPU multiplier multiplied by the
front-side bus (FSB) clockspeed determines the core speed
of the processor.
CPU core clock = FSB Frequency/4 x CPU multiplier
• C1E Enhanced Halt State—If enabled, CPU power
consumption is reduced when the CPU is idle. This is triggered
by the operating system executing the halt instruction.
(Enabled/Disabled)
•
Execute Disable Bit—When disabled, forces the XD feature
flag to always return 0.
(Enabled/Disabled)
• Virtualization —When enabled, a virtual machine monitor
(VMM) can utilize the additional hardware capabilities
provided by Vanderpool Technology.
(Enabled/Disabled)
•
SpeedStep—If enabled, the CPU clock speed and CPU core
voltage are adjusted dynamically based on the CPU load.
(Enabled/Disabled)
• CPU Core 0 through CPU Core 3—Enables CPU Core 0, 1, 2,
and 3. (Enabled/Disabled)
book.book Page 56 Monday, November 10, 2008 1:26 PM