MSI H87M-G43 manual Over-current protection

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Internal VR OVP OCP Protection [Auto]

Enables or disables the over-voltage protection and over-current protection for CPU internal VR (Voltage Regulator).

[Auto]

This setting will be configured automatically by BIOS.

[Enabled]

Sets the voltage limit on the CPU internal VR for over-voltage protection

 

and over-current protection.

[Disabled]

Disables this function for overclocking.

Internal VR Efficiency Management [Auto]

Enables or disables the CPU internal VR efficiency management.

[Auto]

This setting will be configured automatically by BIOS.

[Enabled]

Enables the VR effciency management for power-saving control.

[Disabled]

Disables this function.

DRAM Voltage [Auto]

Sets the memory voltage. If set to "Auto", BIOS will set memory voltage automatically or you can set it manually.

Current DRAM Voltage

Shows current memory voltage. Read only.

CPU Memory Changed Detect [Enabled]

Enables or disables the system to issue a warning message during boot when the CPU or memory has been replaced.

[Enabled]

The system will issue a warning message during boot and than needs

 

to load the default settings for new devices.

[Disabled]

Disables this function and keeps the current BIOS settings.

Spread Spectrum

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

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.

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.

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.

Chapter 3

3-21

BIOS Setup

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Contents G52-78231X1 PrefacePreface Smartphone Application Technical Support IT MAY Damage the Equipment Safety InstructionsFCC-B Radio Frequency Interference Statement Voir LA Notice D’INSTALLATION Avant DE Raccorder AU ReseauKorea Warning Statements Battery Information Weee Waste Electrical and Electronic Equipment Statement Español Türkçe Contents OC Profile Hardware Monitor Quick InstallationAppendix a Intel SBA optional Page Chapter Optional Accessories Packing ContentsAssembly Precautions CPU Motherboard SpecificationsUSB Uefi AMI Bios BiosLAN MSI Connectors Quick Guide Connectors Reference Guide Back Panel Quick Guide HDMI+VGA HDMI+DVI Introduction to the LGA 1150 CPU CPU Central Processing UnitVideo Demonstration CPU & Heatsink InstallationChapter Chapter Memory Dual -Channel mode Population RuleMounting Screw Holes JPWR1 Power SupplyJPWR1~2 ATX Power Connectors JPWR2PCIE1~4 PCIe Expansion Slots Expansion SlotsVideo/ Graphics Cards Single Video Card InstallationAMD CrossFire Multi -GPU Technology Chapter SATA1 Internal ConnectorsSATA1~6 Sata Connectors SATA2 SATA4 SATA6 SATA3 SATA5CPUFAN1,SYSFAN1~2 Fan Power Connectors JFP2 JFP1, JFP2 System Panel ConnectorsJFP1 JUSB1~3 USB 2.0 Expansion Connectors JAUD1 Front Panel Audio Connector JUSB4 USB 3.0 Expansion ConnectorJCOM1 Serial Port Connector JTPM1 TPM Module ConnectorJCI1 Chassis Intrusion Connector JLPT1 Parallel Port ConnectorJBAT1 Clear Cmos Jumper JumpersDrivers and Utilities Total InstallerQuick Installation CPU Installation Chapter Memory Installation Motherboard Installation Chapter Power Connectors Installation Chapter Sata HDD Installation MSATA SSD Installation JFP1 Connector Installation Front Panel Connector InstallationFront Panel Audio Connector Installation USB2.0 Connector Installation Peripheral Connector InstallationUSB3.0 Connector Installation Graphics Card Installation Chapter Bios Setup Entering Bios Setup Entering SetupPress DEL key to enter Setup Menu, F11 to enter Boot Menu Overview Bar Operation System Status SettingsAdvanced PEG IGDPartition size must be larger then the amount of memory SSD speed ECP SPPRequirement Boot settings Events LEGACY+UEFI BootSecurity UefiSave & Exit This setting will be configured automatically by Bios Next Boot Profile Booting to accelerate the system booting time Over-current protection MEMORY-Z Enabled Enables Intel AES support Disabled SSD speed Flash OC Profile Hardware Monitor Chapter Appendix a Prerequisites Appendix aSoftware Configuration Installing Intel SBASoftware panel overview Help Button Password settingsAppendix B Introduction Appendix BUsing Intel Rapid Storage Technology Option ROM XXX.X GB Appendix B XXXX-XXXXXXXX Press Y key to accept the volume deletion XXXX-XXXXXXXX Recovery Volume Options Main Menu Degraded RAID ArrayAppendix B System Acceleration optional Appendix B Disk Port RST Synchronization optional