American Megatrends MB950 User Manual page 29

BIOS SETUP
The CPU Configuration menu shows the following CPU details including
the manufacturer, CPU type, its frequency and cache levels. Other
options include:
Ratio CMOS Setting
Sets the ratio between CPU core clock and the FSB frequency.
MPS and ACPI MADT ordering
Modern ordering for Windows XP or later OSes. Legacy ordering for
Windows 2000 or earlier OSes.
Max CPU ID Value Limit
Disabled for Windows XP.
Intel Virtualization Tech
When enabled, a VMM can utilize the additional HW Caps. Provided by
Intel Vitualization Tech. Note: A full reset is required to change the
setting.
Intel HT Technology
When disabled, only one thread per enabled core is enabled.
Active Processor Cores
Number of cores to enable in each processor package.
A20M
Legacy OSes and Aps may need A20 M enabled.
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