Intel DP55KG Product Guide - Page 45

Installing and Replacing Desktop Board Components 10. Reinstall the PCI Express graphics card (see Installing a PCI Express x16 Graphics Card on page 45) if one was removed in Step 4. 11. Replace the computer's cover and reconnect the AC power cord. Removing DIMMs To remove a DIMM, follow these steps: 1. Observe the precautions in "Before You Begin" on page 31. 2. Turn off all peripheral devices connected to the computer. Turn off the computer. 3. Remove the AC power cord from the computer. 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 (see Removing a PCI Express x16 Graphics Card on page 47) to gain access to the DIMM sockets. 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 (see Installing a PCI Express x16 Graphics Card on page 45) if one was removed in Step 5 and reconnect any other parts you removed or disconnected to reach the DIMM sockets. 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 the PCI Express x16 graphics card, make sure the tabs on the DIMM sockets are in the upright position (closed); otherwise, they may be damaged by the PCI Express card. 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. 45