MSI Clearing CMOS with the JBAT1 Jumper on Motherboards

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Getting Started

JBAT1: Clear CMOS Jumper

There is CMOS RAM onboard that is external powered from a battery located on the mainboard to save system configuration data. With the CMOS RAM, the system can automatically boot into the operating system (OS) every time it is turned on. If you want to clear the system configuration, set the jumpers to clear the CMOS RAM.

1

1

Keep Data

Clear Data

Important

You can clear the CMOS RAM by shorting this jumper while the system is off. Afterwards, open the jumper . Do not clear the CMOS RAM while the system is on because it will damage the mainboard.

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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 JPWR1 ATX 24-pin Power Connector Power SupplyJPWR2 ATX 4-pin Power Connector Dual -Channel mode Population Rule MemoryInstalling Memory Modules PCIe Peripheral Component Interconnect Express Slot Expansion SlotsPCI Peripheral Component Interconnect Slot Video/ Graphics Cards Single Video Card InstallationPCI 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 Entering Press DEL key to enter Setup Menu, F11 to enter Boot MenuOverview Boot device priority bar Sub-Menu OperationGeneral 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 the Windows XP Operating System Installing Windows XP with Ahci ModeCreating a Intel Ahci Driver Disc