MSI 970A-G45 series User Manual page 41

▶ C1E Support
Enable this item to reduce the CPU power consumption while idle. Not all processors
support Enhanced Halt state (C1E).
▶ SVM Mode
This item allows you to enable/disable the AMD SVM (Secure Virtual Machine)
Mode.
▶ IOMMU Mode
This item allows you to enable/disable the IOMMU (I/O Memory Management Unit)
for I/O virtualization.
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