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Maximum GT frequency
Use this feature to define the Maximum GT frequency. Choose between 33MHz (RPN)
and 1200Mhz (RP0). Any value beyond this range will be clipped to its min/max sup-
ported by the CPU. The options are Default Max Frequency, 100Mhz, 150Mhz, 200Mhz,
250Mhz, 300Mhz, 350Mhz, 400Mhz, 450Mhz, 500Mhz, 550Mhz, 600Mhz, 650Mhz,
700Mhz, 750Mhz, 800Mhz, 850Mhz, 900Mhz, 950Mhz, 1000Mhz, 1050Mhz, 1100Mhz,
1150Mhz, and 1200Mhz.Disable Turbo GT frequency
Use this feature to disable Turbo GT frequency. If set to Enabled, Turbo GT frequency
becomes disabled. If set to Disabled, GT frequency limiters will be removed. The options
are Enabled and Disabled.
VT-d
Select Enabled to activate Intel Virtualization Technology support for Direct I/O VT-d by
reporting the I/O device assignments to VMM through the DMAR ACPI Tables. This feature
offers fully-protected I/O resource-sharing across the Intel platforms, providing the user with
greater reliability, security and availability in networking and data-sharing. The options are
Enabled and Disabled.
GNA Device (B0:D8:F0)
Use this feature to enable SA GNA device. The options are Enabled and Disabled.
PCH-IO Configuration
PCH-IO Configuration
•
PCH SKU
•
Stepping
PCI Express Configuration
PCIe M.2-B
PCIe M.2-E
ASPM
Use this feature to activate the Active State Power Management (ASPM) level for a
PCIe device. Select Auto for the system BIOS to automatically set the ASPM level
based on the system configuration. Select Disabled to disable ASPM support. The
options are Disabled, L1, and Auto.
L1 Substates
Use this feature to set the PCI Express L1 Substates. The options are Disabled, L1.1,
and L1.1 & L1.2.
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Chapter 4: UEFI BIOS
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