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If you wish to set the frequency beyond the standard specifications, please do so according to your hardware specifications including the CPU, graphics card, memory, hard drive, etc. 1-3-1 Installing the CPU A. Locate the alignment keys on the motherboard CPU socket and the notches on the CPU. LGA775 CPU Socket LGA 775 CPU Alignment Key Pin One Corner of the CPU Socket - 13 - Hardware Installation B. Follow the steps below to correctly install the CPU into the motherboard CPU socket. A Before installing the CPU, make sure to turn off the computer and unplug the power cord from the power outlet to prevent damage to the CPU. Step 1: Completely raise the CPU socket lever. Step 3: Remove the protective socket cover from the load plate. (To protect the CPU socket, always replace the protective socket cover when the CPU is not installed.) Step 2: Lift the metal load plate from the CPU socket. (DO NOT touch socket contacts.) Step 4: Hold the CPU with your thumb and index fingers. Align the CPU pin one marking (triangle) with the pin one corner of the CPU socket (or you may align the CPU notches with the socket alignment keys) and gently insert the CPU into position. Step 5: Once the CPU is properly inserted, replace the load plate and push the CPU socket lever back into its locked position. GA-EG43M-S2H Motherboard - 14 - 1-3-2 Installing the CPU Cooler Follow the steps below to correctly install the CPU cooler on the motherboard. (The following procedure uses Intel® boxed cooler as the example cooler.) Step 1: Apply an even and thin layer of thermal grease on the surface of the installed CPU. Step 3: Place the cooler atop the CPU, aligning the four push pins through the pin holes on the motherboard. Push down on the push pins diagonally. Step 5: After the installation, check the back of the motherboard. If the push pin is inserted as the picture above, the installation is complete. T Direction of the Arrow Sign on the Male Push Pin The Top of Female Push Pin Female Push Pin Step 2: Before installing the cooler, note the direction of the arrow sign on the male push pin. (Turning the push pin along the direction of arrow is to remove the cooler, on the contrary, is to install.) Step 4: You should hear a "click" when pushing down each push pin. Check that the Male and Female push pins are joined closely. (Refer to your CPU cooler installation manual for instructions on installing the cooler.) Step 6: Finally, attach the power connector of the CPU cooler to the CPU fan header (CPU_FAN) on the motherboard. Use extreme care when removing the CPU cooler because the thermal grease/tape between note the CPU cooler and CPU may adhere to the CPU. Inadequately removing the CPU cooler may damage the CPU. Push Pin - 15 - Hardware Installation 1-4 Installing the Memory Read the following guidelines before you begin to install the memory: • Make sure that the motherboard supports the memory. It is recommended that memory of the same capacity, brand, speed, and chips be used. (Go to GIGABYTE's website for the latest memory support list.) • 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 direction. If you are unable to insert the memory, switch the direction. Dual Channel Memory Configuration This motherboard provides four DDR2 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 DDR2 memory sockets are divided into two channels and each channel has two memory sockets as following: »Channel 0: DDR2_1, DDR2_2 ►► Channel 1: DDR2_3, DDR2_4 1-4-1 ►► Dual Channel Memory Configurations Table DDR2_1 DDR2_2 DDR2_3 DDR2_4 Two Modules DS/SS DS/SS DS/SS DS/SS Four Modules SS SS SS SS (SS=Single-Sided, DS=Double-Sided, "- -"=No Memory) Due to 1. 2. 3, rr\ ^ NOTE' chipset limitation, read the following guidelines before installing the memory in Dual Channel mode. Dual Channel mode cannot be enabled if only one DDR2 memory module is installed. 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 DDR2 sockets for optimum performance. Because of chipset limitations, to avoid the system being unable to start or the memory being incorrectly detected, if only one memory module is to be installed, we suggest that you install it on the DDR2_1 or DDR2_3 socket; to install two memory modules, we suggest that you install them on the DDR2_1 and DDR2_3 sockets (when the DDR2_2 or DDR2_4 socket is populated with a DDR2 800 MHz memory module, the memory speed will be downgraded to 667 MHz...