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4. Remove the computer’s cover. 5. If a full length PCI Express graphics card is installed in the PCI Express x16 connector, remove the card to gain access to the DIMMs. 6. Gently spread the retaining clips at each end of the DIMM socket. The DIMM pops out of the socket. 7. Hold the DIMM by the edges, lift it away from the socket, and store it in an anti-static package. 8. Reinstall the PCI Express graphics card if one was removed in Step 5 and reconnect any other parts you removed or disconnected to reach the DIMMs. 9. Replace the computer’s cover and reconnect the AC power cord. Installing and Removing PCI Express x16 Graphics Cards Installing a PCI Express x16 Graphics Card CAUTION Before installing a PCI Express x16 graphics card, make sure that the tabs on the DIMM sockets are in the upright position (closed); otherwise, they may be damaged by the PCI Express card during installation. CAUTION When installing a PCI Express card, ensure that the card is fully seated in the PCI Express connector before you power on the system. If the card is not fully seated in the connector, an electrical short may result across the connector pins. Depending on the over-current protection of the power supply, certain Desktop Board components and/or traces may be damaged. Installing and Replacing Desktop Board Components Follow these instructions to install a PCI Express x16 graphics card: 1. Observe the precautions in "Before You Begin" on page 27. 2. Place the card in the PCI Express x16 connector (Figure 17, A) and press down on the card until it is completely seated in the connector and the card retention notch on the card snaps into place around the retention mechanism pin on the connector. 3. Secure the card’s metal bracket to the chassis back panel with a screw (Figure 17, B). 4. Connect a monitor to the graphics card according to the manufacturer’s instructions. Figure 17. Installing a PCI Express x16 Graphics Card Intel Desktop Board DH67BL Product Guide Removing a PCI Express x16 Graphics Card Follow these instructions to remove a PCI Express x16 graphics card from a connector: 1. Observe the precautions in "Before You Begin" on page 27. 2. Disconnect the monitor cable from the graphics card back panel connector. 3. Remove the screw (Figure 18, A) that secures the card’s metal bracket to the chassis back panel. 4. Push the card ejector lever down using the tip of a pencil or similar tool (Figure 18, B) in the notch. This will release the card from the connector (C). 5. Pull the card straight up to remove it. Figure 18. Removing a PCI Express x16 Graphics Card Installing and Replacing Desktop Board Components Connecting SATA Drives Use the included SATA cables to connect internal SATA drives. Each cable can be used to connect one internal SATA drive to the Desktop Board’s SATA connectors. The blue SATA connectors support 6.0 Gb/s and slower speed SATA devices while the black SATA connectors support 3.0 Gb/s and slower speed SATA devices. The red SATA connector supports 3.0 Gb/s and slower speed SATA devices and can be used to connect to an eSATA Port Adapter Bracket (not supplied) on the back panel. For correct cable function: 1. Observe the precautions in “Before You Begin” on page 27. 2. Attach one end of the SATA cable to one of the SATA connectors on the board (Figure 19, A) and attach the other end of the cable to the SATA drive data connector (Figure 19, B). Figure 19. Connecting a SATA Drive Intel Desktop Board DH67BL Product Guide Connecting to the Internal Headers Before connecting cables to any of the internal headers, observe the precautions in “Before You Begin” on page 27. Figure 20 shows the location of the internal headers and connectors on Intel Desktop Board DH67BL. Figure 20. Internal Headers Installing and Replacing Desktop Board Components Front Panel Audio Header The front panel audio header shown in Figure 20, A supports both Intel High Definition (HD) Audio and AC ’97 Audio. Table 5 shows the pin assignments and signal names for HD Audio and Table 6 shows the pin assignments and signal names for AC ’97 Audio. Table 5. Front Panel Audio Signal Names for Intel HD Audio Pin Signal Name Pin Signal Name 1 PORT 1L (Microphone) 2 GND 3 PORT 1R (Microphone) 4 PRESENCE# 5 PORT 2R (Headphone) 6 SENSE1_RETURN 7 SENSE_SEND 8 KEY (no pin) 9 PORT 2L (Headphone) 10 SENSE2_RETURN Table 6. Front Panel Audio Header Signal Names for AC ’97 Audio Pin Signal Name Pin Signal Name 1 MIC 2 AUD_GND 3 MIC_BIAS 4 PRESENCE# 5 FP_OUT_R 6 AUD_GND 7 No connect 8 KEY (no pin) 9 FP_OUT_L 10 AUD_GND Chassis Intrusion Header Figure 20, B shows the location of the chassis intrusion header. This header can be connected to a mechanical switch on the chassis to detect if the chassis cover is removed. This switch should be in the open position when the chassis cover is installed and closed when the cover is removed. Table 7 shows the pin assignments and signal names for the chassis intrusion header. Table 7. Chassis Intrusion Hea...