MSI Ultimate Guide to Clear CMOS Jumper and JBAT1 on Motherboards

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MS-7752

Jumpers

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

Chapter 1

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 MS-7752 v1.x Mainboard Z77A-G45/ Z75A-G45 seriesCopyright Notice 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 Optional Accessories Packing ContentsChapter Assembly PrecautionsProcessor Support Mainboard SpecificationsForm Factor Connectors Quick Guide JUSB4 Connectors Reference GuideLAN Back Panel Quick GuideLAN Introduction to the LGA 1155 CPU CPU Central Processing UnitCPU & Cooler Installation Page Mainboard Hook Mounting Screw Holes JPWR2 ATX 8-pin Power Connector Power SupplyJPWR1 ATX 24-pin Power Connector Memory Dual -Channel mode Population RuleInstalling Memory Modules PCIe Peripheral Component Interconnect Express Slot Expansion SlotsVideo/ Graphics Cards Single Video Card InstallationAMD CrossFire Multi -GPU Technology Chapter Nvidia SLI Technology Choose this item SATA1~6 Sata Connector Internal ConnectorsCPUFAN,SYSFAN1~4 Fan Power Connectors JAUD1 Front Panel Audio Connector JFP1, JFP2 Front Panel ConnectorsJUSB4 USB 3.0 Expansion Connector JUSB1~3 USB 2.0 Expansion ConnectorsJTPM1 TPM Module connector JCI1 Chassis Intrusion ConnectorJCOM1 Serial Port Connector JDLED3 Voice Genie Connector optionalJTURBO1 MultiConnect Panel Connector optional FV1 Voltage Checkpoints Connector optional JBAT1 Clear Cmos Jumper JumpersCpuphase LEDs LED Status IndicatorsBios Setup Overview Press DEL key to enter Setup Menu, F11 to enter Boot MenuEntering Boot device priority bar General Help OperationSub-Menu System Status SettingsPcie GEN3 AdvancedPEG Occurred Save & Exit BootBios Setup Eist Page Chapter Page MEMORY-Z Page ECO Browser Installing WinkiUtilities Page Updating the Bios with Live Update Security Chapter Page Realtek Audio Installation for Windows Installing the Realtek HD Audio DriverSoftware panel overview Software ConfigurationAuto popup dialog Ix a Append Hardware Default SettingBackpanel audio jacks to 8-channel speakers diagram Intel RAID Introduction Ix B Append Using Intel Rapid Storage Technology Option ROMXXX.X GB RAID array by using the upper arrow XXXX-XXXXXXXX Press Y key to accept the volume deletion XXXX-XXXXXXXX Recovery Volume Options Installing Driver Ix B Append Main Menu Degraded RAID ArrayIx B Append System Acceleration optional Ix B Append Disk Port RST Synchronization optional