[. . . ] Make sure the screws are evenly and firmly fastened. Installation Guide The cooler fan speed levels provided are for reference use only. [. . . ] (as Figure A) To remove the cooler, turn the four pins to the removing direction and pull them up. (as Figure B) The followings are not covered by the warranty : 1. Use the product incorrectly or in a manner other than the designed purpose. Malfunction arising from casualties ( earthquake, thunder, fire, and flood ). 7. Pure copper base with aluminum fin, extra large heat dissipation area allows heat been carried away faster. Hassle-free installation. STEP 4 Align the pin of the cooler with the hole of the CPU on the motherboard and push down the pin diagonally. Please make sure the four pins are firmly secured. STEP 5 Plug the 4-pin connector of the cooler into the motherboard's CPU fan socket. Specification Dimension : 102 x 122 x 139 mm Fan Dimension : 90 x 90 x 25 mm Heat Pipe : 3 Base Material: Copper Fin Material : Aluminum Rated Voltage : 12 V Rated Current : 0. 2 Amp Fan Speed : 2, 300 rpm Noise Level : 25dBA Bearing Type : EBR Fan Life Expectancy : 30, 000 hr Compatible CPU Intel® Core 2 Extreme Processor Series Intel® Core 2 Quad Processor Series Intel® Core 2 Duo Processor Series Intel® Pentium® Extreme Edition Series Intel® Pentium® D Processor Series Intel® Pentium® 4 Processor Series (LGA775) AMD AM2 AMD Athlon FX Series AMD Athlon 64x2 Series AMD Athlon 64 Series AMD Sempron Series TM TM TM TM TM TM AMD K8 / AM2 Platform Installation STEP 1 Apply some thermal grease on the CPU properly. Caution : Before installation, please turn off the power, unplug the power cord, and be sure to remove the sticker from the bottom of the cooler unit. STEP 2 Place the AM2/K8 Bracket between the copper base and the cooler unit. [. . . ] Please make sure the four pins are firmly secured. STEP 5 Plug the 4-pin connector of the cooler into the motherboard's CPU fan socket. Specification Dimension : 102 x 122 x 139 mm Fan Dimension : 90 x 90 x 25 mm Heat Pipe : 3 Base Material: Copper Fin Material : Aluminum Rated Voltage : 12 V Rated Current : 0. 2 Amp Fan Speed : 2, 300 rpm Noise Level : 25dBA Bearing Type : EBR Fan Life Expectancy : 30, 000 hr Compatible CPU Intel® Core 2 Extreme Processor Series Intel® Core 2 Quad Processor Series Intel® Core 2 Duo Processor Series Intel® Pentium® Extreme Edition Series Intel® Pentium® D Processor Series Intel® Pentium® 4 Processor Series (LGA775) AMD AM2 AMD Athlon FX Series AMD Athlon 64x2 Series AMD Athlon 64 Series AMD Sempron Series TM TM TM TM TM TM AMD K8 / AM2 Platform Installation STEP 1 Apply some thermal grease on the CPU properly. Caution : Before installation, please turn off the power, unplug the power cord, and be sure to remove the sticker from the bottom of the cooler unit. STEP 2 Place the AM2/K8 Bracket between the copper base and the cooler unit. [. . . ]