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Supermicro C7Z270-CG-L Motherboard User’s Manual
PCIe Spread Spectrum Clocking
When enabled, this feature will allow the disabling of the Spread
Spectrum Clocking for compliance testing. The options are Disabled
and Enabled.
GMM Device (B0:D8:F0)
This feature will enable/disable the SA GMM device. The options are
Disabled and Enabled.
Above 4GB MMIO BIOS Assignment
Select Enable for remapping of BIOS above 4GB. The options are Enabled
and Disabled.
X2APIC Opt Out
X2APIC, an extension of the XAPIC architecture, is designed to support
32-bit processor addressability. X2APIC enhances the performance of
interrupt delivery. The options are Disabled and Enabled.