MSI MEG X570 ACE User Manual - Page 74

Power Supply Idle Control [Auto] optional, Relaxed EDC throttling [Auto] optional

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ffOpcache 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. ffIOMMU Mode (optional) Enables/disables the IOMMU (I/O Memory Management Unit) for I/O Virtualization. ffSpread Spectrum (optional) This function reduces the EMI (Electromagnetic Interference) generated by modulating clock generator pulses. [Enabled] Enables the spread spectrum function to reduce the EMI (Electromagnetic Interference) problem. [Disabled] Enhances the overclocking ability of CPU Base clock. Important yyIf you do not have any EMI problem, leave the setting at [Disabled] for optimal system stability and performance. But if you are plagued by EMI, select the value of Spread Spectrum for EMI reduction. yyThe greater the Spread Spectrum value is, the greater the EMI is reduced, and the system will become less stable. For the most suitable Spread Spectrum value, please consult your local EMI regulation. yyRemember to disable Spread Spectrum if you are overclocking because even a slight jitter can introduce a temporary boost in clock speed which may just cause your overclocked processor to lock up. ffRelaxed EDC throttling [Auto] (optional) Relaxed EDC throttling reduces the amount of time the processor will throttle the cores. [Auto] AMD's recommendation [Enabled] Reduce the amount of time the processor will throttle. [Disabled] Part-specific EDC throttling protection enabled. ffAMD Cool'n'Quiet [Enabled] The Cool'n'Quiet technology can effectively and dynamically lower CPU speed and power consumption. ffSVM Mode [Enabled] Enables/ disables the AMD SVM (Secure Virtual Machine) Mode. ffBIOS PSP Support [Enabled] (optional) Enables/ disables the BIOS PSP support. It manages PSP sub-items including all C2P/P2C mailbox, Secure S3, fTPM support. ffPower Supply Idle Control [Auto] (optional) It allows you to select the power-saving control mode for the CPU when all cores are in a non-CO state. If set to Auto, BIOS will configure these settings. 74 BIOS Setup

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74
BIOS Setup
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.
f
Spread Spectrum
(optional)
This function reduces the EMI (Electromagnetic Interference) generated by
modulating clock generator pulses.
[Enabled]
Enables the spread spectrum function to reduce the EMI
(Electromagnetic Interference) problem.
[Disabled]
Enhances the overclocking ability of CPU Base clock.
Important
y
If you do not have any EMI problem, leave the setting at [Disabled] for optimal
system stability and performance. But if you are plagued by EMI, select the value of
Spread Spectrum for EMI reduction.
y
The greater the Spread Spectrum value is, the greater the EMI is reduced, and the
system will become less stable. For the most suitable Spread Spectrum value,
please
consult your local EMI regulation.
y
Remember to disable Spread Spectrum if you are overclocking because even a
slight jitter can introduce a temporary boost in clock speed which may just cause your
overclocked processor to lock up.
f
Relaxed EDC throttling [Auto] (optional)
Relaxed EDC throttling reduces the amount of time the processor will throttle the
cores.
[Auto]
AMD's recommendation
[Enabled]
Reduce the amount of time the processor will throttle.
[Disabled]
Part-specific EDC throttling protection enabled.
f
AMD Cool’n’Quiet [Enabled]
The Cool’n’Quiet technology can effectively and dynamically lower CPU speed and
power consumption.
f
SVM Mode [Enabled]
Enables/ disables the AMD SVM (Secure Virtual Machine) Mode.
f
BIOS PSP Support [Enabled]
(optional)
Enables/ disables the BIOS PSP support. It manages PSP sub-items including all
C2P/P2C mailbox, Secure S3, fTPM support.
f
Power Supply Idle Control [Auto] (optional)
It allows you to select the power-saving control mode for the CPU when all cores
are in a non-CO state. If set to
Auto
, BIOS will configure these settings.