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(Go to GIGABYTE's website for the latest supported memory speeds and memory modules.) Always turn off the computer and unplug the power cord from the power outlet before installing •• the memory to prevent hardware damage. Memory modules have a foolproof design. A memory module can be installed in only one direc•• tion. If you are unable to insert the memory, switch the direction. Dual Channel Memory Configuration This motherboard provides four DDR3 memory sockets and supports Dual Channel Technology. After the memory is installed, the BIOS will automatically detect the specifications and capacity of the memory. Enabling Dual Channel memory mode will double the original memory bandwidth. The four DDR3 memory sockets are divided into two channels and each channel has two memory sockets as following: Channel 0: DDR3_2, DDR3_4 Channel 1: DDR3_1, DDR3_3 Dual Channel Memory Configurations Table DDR3_4 DDR3_2 DDR3_3 DDR3_1 Two Modules - - DS/SS - - DS/SS DS/SS - - DS/SS - - Four Modules DS/SS DS/SS DS/SS DS/SS (SS=Single-Sided, DS=Double-Sided, "- -"=No Memory) DDR3_4 DDR3_2 DDR3_3 DDR3_1 Due to APU limitations, read the following guidelines before installing the memory in Dual Channel mode. 1. Dual Channel mode cannot be enabled if only one DDR3 memory module is installed. 2. When enabling Dual Channel mode with two or four memory modules, it is recommended that memory of the same capacity, brand, speed, and chips be used and installed in the same colored DDR3 sockets. For optimum performance, when enabling Dual Channel mode with two memory modules, we recommend that you install them in the DDR3_1 and DDR3_2 sockets. The 1866 MHz memory speed is supported only when one or two DDR3 1866 MHz DIMMs are installed. It is not supported when four DIMMs are installed. (Dual channel memory mode must be enabled when installing two DIMMs.) 1-5 Installing an Expansion Card Read the following guidelines before you begin to install an expansion card: Make sure the motherboard supports the expansion card. Carefully read the manual that came •• with your expansion card. Always turn off the computer and unplug the power cord from the power outlet before installing •• an expansion card to prevent hardware damage. 1-6 Setup of the AMD Dual Graphics Configuration Combining the onboard GPU with a discrete graphics card, AMD's Dual Graphics technology can provide significantly advanced display performance for AMD platform. Read the following instructions on configuring a Dual Graphics system. A. System Requirements - AMD A series processor - Windows 7 operating system - An AMD Dual Graphics technology-supported motherboard and correct driver - An AMD Radeon HD 6000 series graphics card that supports AMD Dual Graphics technology (for more details, please visit AMD's official website) and correct driver B. Installing the Graphics Cards and Configuring BIOS Setup Step 1: Observe the steps in "1-5 Installing an Expansion Card" and install an AMD Dual Graphics technology- supported graphics card on the PCIEX16 slot. Plug the monitor cable into the graphics card and start up your computer. Step 2: Enter BIOS Setup to set the following items under the Advanced BIOS Features menu: - Set UMA Frame Buffer Size to 512MB or 1024MB. - Set Init Display First to Onboard. Save the settings and exit BIOS Setup. Power off your computer. Step 3: Remove the monitor cable from the graphics card and plug it into the integrated graphics port on the back panel and restart your computer. C. Configuring the Graphics Driver After installing the graphics card driver in the operating system, go to the AMD VISION Engine Control Center. Browse to Performance\ AMD CrossFire™ and ensure the Enable CrossFire™ check box is selected. (Note) Make sure the drivers for the Chipset, onboard graphics, and external graphics card are properly installed. 1-7 Back Panel Connectors USB 2.0/1.1 Port The USB port supports the USB 2.0/1.1 specification. Use this port for USB devices such as a USB keyboard/ mouse, USB printer, USB flash drive and etc. PS/2 Keyboard and PS/2 Mouse Port Use the upper port (green) to connect a PS/2 mouse and the lower port (purple) to connect a PS/2 keyboard. D-Sub Port (Note 1) The D-Sub port supports a 15-pin D-Sub connector. Connect a monitor that supports D-Sub connection to this port. DVI-D Port (Note 1)(Note 2) The DVI-D port conforms to the DVI-D specification and supports a maximum resolution of 1920x1200 (the actual resolutions supported depend on the monitor being used). Connect a monitor that supports DVI-D connection to this port. HDMI Port (Note 1) HDMI (High-Definition Multimedia Interface) is an all-digital audio/video interface capable of transmitting un- compressed audio/video signals. The HDMI port is HDCP compliant and supports Dolby TrueHD and DTS HD Master Audio formats. It also supports up to 192KHz/24bit 8-channel LPCM audio output. You can use this port to connect your HDMI-supported monitor. The maximum supported resolution is ...