Gigabyte GA-X99-UD4P User Manual - Page 19

1-6 Setting up AMD CrossFire™/NVIDIA® SLI™ Configuration A. System Requirements -- Windows 8.1/8/7 operating system -- A CrossFire/SLI-supported motherboard with two or more PCI Express x16 slots and correct driver -- CrossFire/SLI-ready graphics cards of identical brand and chip and correct driver (Current GPUs that support 3-Way/4-Way CrossFire technology include the ATI Radeon™ HD 3800, HD 4800, HD 5800 series, and AMD Radeon™ HD 6800, HD 6900, HD 7800, and HD 7900 series. Current GPUs that support 3-Way/4-Way SLI™ technology include the NVIDIA® 8800 GTX, 8800 Ultra, 9800 GTX, GTX 260, GTX 280, GTX 470, GTX 480, GTX 570, GTX 580, GTX 590, and GTX 600 series.) For the latest GPU support information, please refer to the AMD/NVIDIA® website.) (Note 1) -- CrossFire(Note 2)/SLI bridge connectors -- A power supply with sufficient power is recommended (Refer to the manual of your graphics cards for the power requirement) B. Connecting the Graphics Cards Step 1: Observe the steps in "1-5 Installing an Expansion Card" and install CrossFire/ SLI graphics cards on the PCI Express x16 slots. Step 2: Insert the CrossFire(Note 2)/SLI bridge connectors in the CrossFire/SLI gold edge connectors on top of the cards. Step 3: PCIE_1 Plug the display cable into the graphics card on the PCIE_1 slot. PCIE_4 Refer to the table below when an i7-5960X or i7-5930K CPU is installed: PCIE_1 PCIE_4 PCIE_2 PCIE_3 1 Graphics Card l - - - - 2 Graphics Cards l - l - - 3 Graphics Cards l - l l 4 Graphics Cards l l l l PCIE_2 PCIE_3 To set up a 3-Way SLI configuration, use the GC-3SLI-X99 bridge connector. Refer to the table below for setting up a 3-Way SLI configuration with an i7-5820K CPU. Make sure to use the GC-3SLI bridge connector. 1 Graphics Card 2 Graphics Cards 3 Graphics Cards PCIE_1 l l l PCIE_4 - - - - l PCIE_2 - - l l PCIE_3 - - - - - - (Note 1) The 4-Way SLI configuration is not supported when an i7-5820K CPU is installed. (Note 2) The bridge connector(s) may be needed or not depending on your graphics cards. •• Procedure and driver screen for enabling CrossFire/SLI technology may differ by graphics cards and driver version. Refer to the manual that came with your graphics cards for more information about enabling CrossFire/ SLI technology. •• When two or more graphics cards are installed, we recommend that you connect the power cable from the power supply to the ATX4P connector to ensure system stability. - 19 - Hardware Installation