MSI Understanding Spread Spectrum and Its Impact on Your System's Performance

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BIOS Setup

▶Spread Spectrum

This function reduces the EMI (Electromagnetic Interference) generated by modulating clock generator pulses.

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.

▶CPU Core Voltage/ DRAM Voltage.

These items are used to adjust the voltage of CPU and Memory.

Current CPU Core Voltage/ Current DRAM Voltage These items show current CPU/ DRAM voltage. Read-only.

Overclocking Profiles

Press <Enter> to enter the sub-menu.

Overclocking Profile 1/ 2/ 3/ 4/ 5/ 6 Press <Enter> to enter the sub-menu.

Set Name for Overclocking Profile 1/ 2/ 3/ 4/ 5/ 6 Give a name by typing in this item.

Save Overclocking Profile 1/ 2/ 3/ 4/ 5/ 6

Save the current overclocking settings to ROM for selected profile.

Load/ Clear Overclocking Profile 1/ 2/ 3/ 4/ 5/ 6 Load/ Clear the stored profile settings from ROM.

OC Profile Save to USB

Save the current overclocking settings to USB flash disk. ▶OC Profile Load from USB

Load the stored settings from USB flash disk.

▶CPU Specifications

Press <Enter> to enter the sub-menu. This sub-menu highlights all the key features of your CPU. The information will vary by model and is read-only. You can also access this information at any time by pressing [F4]. Press <Enter> to enter the sub-menu.

▶CPU Technology Support

Press <Enter> to enter the sub-menu. The sub-menu shows the installed CPU tech- nologies. Read only.

▶MEMORY-Z

Press <Enter> to enter the sub-menu. This sub-menu highlights all the settings and timings of your DIMMs. This information will vary by model and is read-only. You can

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Contents B75MA-G43 series MS-7798 v2.x MainboardRevision History Preface FCC-B Radio Frequency Interference Statement Bsmi EMI 聲明 Weee Waste Electrical and Electronic Equipment Statement Español Türkçe Contents Appendix a Realtek Audio Getting Started Packing Contents Optional AccessoriesAssembly Precautions ChapterMainboard Specifications Processor SupportForm Factor Connectors Quick Guide Connectors Reference Guide Back Panel Quick Guide LANLAN CPU Central Processing Unit Introduction to the LGA 1155 CPUCPU & Cooler Installation Page Mainboard Hook Mounting Screw Holes Power Supply JPWR1 ATX 24-pin Power ConnectorJPWR2 ATX 4-pin Power Connector Dual -Channel mode Population Rule MemoryInstalling Memory Modules Expansion Slots PCIe Peripheral Component Interconnect Express SlotPCI Peripheral Component Interconnect Slot Single Video Card Installation Video/ Graphics CardsPCI Interrupt Request Routing AMD CrossFire Multi -GPU Technology Chapter Internal Connectors SATA1~6 Sata ConnectorCPUFAN,SYSFAN1~2 Fan Power Connectors JFP1, JFP2 Front Panel Connectors JUSB3 USB 3.0 Expansion Connector USB 3.0 Bracket optionalJUSB1~2 USB 2.0 Expansion Connectors JCI1 Chassis Intrusion ConnectorJAUD1 Front Panel Audio Connector JTPM1 TPM Module ConnectorJCOM1 Serial Port Connector JLPT1 Parallel Port ConnectorJUSBPW1~2 USB power Jumper JumperJBAT1 Clear Cmos Jumper Bios Setup Press DEL key to enter Setup Menu, F11 to enter Boot Menu EnteringOverview Boot device priority bar Operation Sub-MenuGeneral Help Settings System StatusAdvanced Pcie GEN3Hpet Page Boot Save & ExitPage Eist Page Chapter MEMORY-Z Chapter Page ECO Installing Winki BrowserUpdating the Bios with Live Update Utilities Chapter Security Realtek Audio Installing the Realtek HD Audio Driver Installation for WindowsSoftware Configuration Software panel overviewAuto popup dialog Hardware Default Setting Ix a AppendBackpanel audio jacks to 8-channel speakers diagram Intel SBA Prerequisites Installing Intel SBA Ix B AppendPassword settings Help ButtonInstall Windows XP Notes Installing Windows XP with IDE Mode Installing Windows XP with Ahci Mode Installing the Windows XP Operating SystemCreating a Intel Ahci Driver Disc