MSI Enhance Gaming Performance with 2-Way AMD® CrossFire™ Technology on Motherboards

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Getting Started

AMD CrossFire™ (Multi-GPU) Technology

AMD CrossFire™ is a multi-GPU performance gaming platform. By linking together two or more discrete GPUs, CrossFire™ can significant improve system graphics perfor- mance. It allows the ability to scale a system’s graphics power as needed, making it the most scalable gaming platform. This mainboard will automatically detect CrossFire™ technology and make changes in the BIOS as needed. Follow the instructions below to ensure a successful two-way CrossFire™ installation.

1.Install two AMD Radeon™ HD graphics cards into the PCI_E2 & PCI_E4 expansion slots.

2.With the two cards installed, two CrossFire™ Video Link cable are required to con- nect the graphics cards. Attach one side of the cable on each of the cards by way of the metal contacts (please refer to the picture below). Please note that although two graphics cards have been installed, only the display ports on the graphics card installed in the first PCIe x16 slot will work. All displays should be connected to this graphics card.

CrossFireTM Video Link cable

Important

Please ensure that all graphics cards used in CrossFire™ mode are of the same brand and specifications. For best compatibility with the mainboard, MSI graphics cards are recommended.

Make sure to connect an adequate power supply to the power connectors on the graphics cards to ensure stable operation.

Only Windows™ 7 will support CrossFire™ mode.

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Contents B75A-G43 series MS-7758 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 LANHDMI+DVI DVI+VGA VGA+HDMI 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 8-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,SYSFAN1~4 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 ConnectorJDLED3 Voice Genie Connector optional Jumper JBAT1 Clear Cmos JumperBios 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 & ExitEist Chapter Page MEMORY-Z Page ECO Installing Winki BrowserUtilities Page Updating the Bios with Live Update 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