Gigabyte GH-PDU21-MF Installation Guide - Page 9

English Installation Instructions for P4 LGA775RM & Cooler Side A Side B ARM CAM Figure 1 Plastic Washers Figure 2 Figure3- 1 Figure3-2 To install GH-PDU21-MF on LGA775 motherboard needs both LGA775 RM & P4 clips. Please add an adequate layer of heat sink paste on the surface of the CPU. Figure 1 Place the LGA775RM onto the LGA775 motherboard so that side A is parallel with ARM and side B is parallel with CAM. Figure 2 From the underside of the motherboard, use screws (4) and plastic washers (4) together to secure the LGA775RM into place.. Figure 3 Gently push down on the cooler unit to lock it into position. (Figure3-1).Repeat the steps in "Power Installation and 3.5" Fan Speed Controller Installation (Figure 2-1~Figure 4-2)". The installation is now completed. GH-PDU21-MF provides manual fan speed control function. The fourth pin of the 4-pin CPU fan header does not necessarily have to be connected (Figure 3-2). Note: About P4 Clips installation, please refer to "Installation Instructions for Intel® Pentium®4 mPGA478 Clips" - 9 - GH-PDU21-MF