MSI X570-A PRO User Manual - Page 57

Global C-state Control [Enabled] optional, Simultaneous Multi-Threading [Enabled] optional

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f Memory Changed Detect [Enabled]* Enables or disables the system to issue a warning message during boot when the memory has been replaced. [Enabled] [Disabled] The system will issue a warning message during boot and then you have to load the default settings for new devices. 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 57

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57
BIOS Setup
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 Speciļ¬cations
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.
f
CPU 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].
f
DIMMx 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.
f
Simultaneous Multi-Threading [Enabled] (optional)
Enables/ disables the AMD Simultaneous Multi-Threading. This item appears when
the installed CPU supports this technology.
f
Global C-state Control [Enabled] (optional)
Enables/ disables IO based C-state generation and DF C-states.
f
Opcache 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.
f
IOMMU Mode
(optional)
Enables/disables the IOMMU (I/O Memory Management Unit) for I/O Virtualization.