MSI B450 GAMING PRO CARBON AC Quick Start Manual page 59

f DRAM Voltages control [Auto]
These options allows you to set the voltages related to memory. If set to Auto, BIOS
will set these voltages automatically or you can set it manually.
f Memory Changed Detect [Enabled]*
Enables or disables the system to issue a warning message during boot when the
memory has been replaced.
[Enabled] The system will issue a warning message during boot and then you have
to load the default settings for new devices.
[Disabled] Disables this function and keeps the current BIOS settings.
f CPU Specifications
Press Enter to enter the sub-menu. This sub-menu displays the information of
installed CPU. You can also access this information menu at any time by pressing [F4].
Read only.
fCPU Technology Support
Press Enter to enter the sub-menu. The sub-menu shows the key features of
installed CPU. Read only.
f MEMORY-Z
Press Enter to enter the sub-menu. This sub-menu displays all the settings and
timings of installed memory. You can also access this information menu at any time by
pressing [F5].
fDIMMx Memory SPD
Press Enter to enter the sub-menu. The sub-menu displays the information of
installed memory. Read only.
f CPU Features
Press Enter to enter the sub-menu.
fSimultaneous Multi-Threading [Enabled] (optional)
Enables/ disables the AMD Simultaneous Multi-Threading. This item appears when
the installed CPU supports this technology.
fGlobal C-state Control [Enabled] (optional)
Enables/ disables IO based C-state generation and DF C-states.
fOpcache Control [Auto] (optional)
Enables/ disables Opcache. Opcache stores recent decode instruction to save
the decoding time when the instruction is repeated. And it may increase the CPU
performance and reduce the power consumption slightly.
fIOMMU Mode (optional)
Enables/disables the IOMMU (I/O Memory Management Unit) for I/O Virtualization.
BIOS Setup
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