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AES-NI
This function enables AES-NI support. The options are Disabled or En-
abled.
APIC Physical Mode
This function enables APIC Physical Destination Mode. The options are
Disabled or Enabled.
Common RefCode Configuration
MMCFG Size
This feature controls the MMCFG Size. The options are 64M, 128M, 256M,
512M, 1G, and 2G.
MMIOHBase
This feature controls the MMIO High Base. The options are 56T, 40T,
24T, 16T, 4T, and 1T.
MMIO High Granularity Size
This feature controls the allocation size used to assign MMIOH resources.
The options are 1G, 4G, 16G, 64G, 256G, and 1024G.
Advanced Power Management Configuration
CPU P State Control
SpeedStep (Pstates)
This feature enables SpeedStep, also known as System Agent Geyser-
ville. The options are Disabled or Enabled.
EIST PSD Function
This feature controls the EIST PSD Function. The options are HW_ALL,
SW_ALL, and SW_ANY.
Turbo Mode
When EMTTM is enabled, this feature enables processor Turbo Mode.
The options are Disabled or Enabled.
Hardware PM State Control
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Chapter 4: AMI BIOS
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