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Place the shield inside the chassis as shown in Figure 4. Press the shield into place so that it fits tightly and securely. If the shield does not fit, obtain a properly sized shield from the chassis supplier. Figure 4. Installing the I/O Shield Intel Desktop Board DP67BA Product Guide Installing and Removing the Desktop Board CAUTION Only qualified technical personnel should perform this procedure. Disconnect the computer from its power source before performing the procedures described here. Failure to disconnect the power before you open the computer can result in personal injury or equipment damage. Refer to your chassis manual for instructions on installing and removing the Desktop Board. Figure 5 shows the location of the mounting screw holes for Intel Desktop Board DP67BA. Figure 5. Intel Desktop Board DP67BA Mounting Screw Hole Locations Installing and Replacing Desktop Board Components Installing and Removing a Processor Instructions on how to install the processor on the Desktop Board are given below. Installing a Processor CAUTION Before installing or removing a processor, make sure the AC power has been removed by unplugging the power cord from the computer; the standby power LED should not be lit (see Figure 3 on page 23). Failure to do so could damage the processor and the board. To install a processor, follow these instructions: 1. Observe the precautions in "Before You Begin" on page 25. 2. Unlatch the processor socket lever by pushing it down and away from the socket (Figure 6, A, B). Figure 6. Unlatch the Socket Lever Intel Desktop Board DP67BA Product Guide 3. Rotate the socket lever to lift the load plate away from the socket (Figure 7, A). Make sure that the load plate is in the fully open position (Figure 7, B) while being careful not to damage adjacent components. Do not touch the socket contacts. Figure 7. Lift the Load Plate Installing and Replacing Desktop Board Components 4. Remove the processor from its protective cover. Hold the processor only at the edges, being careful not to touch the bottom of the processor (see Figure 8). NOTE Do not discard the processor cover. Always replace the processor cover if you remove the processor from the socket. Figure 8. Remove the Processor from the Protective Cover 5. Hold the processor with your thumb and index finger oriented as shown in Figure 9 to align your fingers with the socket finger cutouts. Make sure that the processor Pin 1 indicator (gold triangle) is aligned with the Pin 1 chamfer on the socket (Figure 9, B) and that the notches on the processor align with the posts on the socket (Figure 9, C). Lower the processor straight down without tilting or sliding it in the socket (Figure 9, A). Figure 9. Install the Processor Intel Desktop Board DP67BA Product Guide 7. Carefully lower the socket lever (Figure 10, A) while making sure that the front edge of the load plate slides under the shoulder screw cap as the lever is lowered. Latch the socket lever under the load plate tab (Figure 10, C, D). The socket cover (Figure 10, B) will pop off as shown. Figure 10. Secure the Load Plate in Place 8. Pick up the socket cover and remove it from the desktop board. NOTE Do not discard the socket cover; save it for possible future use. Always replace the socket cover if you remove the processor from the socket. Installing and Replacing Desktop Board Components Installing a Processor Fan Heat Sink Intel Desktop Board DP67BA has mounting holes for a processor fan heat sink. For instructions on how to attach the processor fan heat sink to the Desktop Board, refer to the boxed processor manual or boxed thermal solution manual. Connecting the Processor Fan Heat Sink Cable Connect the processor fan heat sink power cable to the 4-pin processor fan header (see Figure 13). A fan with a 4-pin connector as shown in Figure 13 is recommended. Figure 11. Connecting the Processor Fan Heat Sink Power Cable to the Processor Fan Header Removing the Processor For instructions on how to remove the processor fan heat sink and processor, refer to the processor installation manual. Intel Desktop Board DP67BA Product Guide Installing and Removing System Memory Desktop board DP67BA has four 240-pin DDR3 DIMM sockets arranged in two channels (A and B). Guidelines for Dual Channel Memory Configuration Before installing DIMMs, read and follow these guidelines for dual channel memory configuration. Two or Four DIMMs Install a matched pair of DIMMs equal in speed and size (see Figure 12) in the blue socket of channel A (DIMM 1) and channel B (DIMM 2). Figure 12. Example Dual Channel Memory Configuration with Two DIMMs If additional memory is to be used, install another matched pair of DIMMs (see Figure 13) in the black socket of channel A (DIMM 3) and channel B (DIMM 4). Figure 13. Example Dual Channel Memory Configuration with Four DIMMs Installing and Replacing Desktop Board Components Three DIMMs If you want to use three DIMMs in a dual-channel configuration, install a match...