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Installing and Replacing Desktop Board Components
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5. Make sure the clips at either end of the DIMM socket(s) are pushed outward to the
open position.
6. Holding the DIMM by the edges, remove it from its anti-static package.
7. Position the DIMM above the socket. Align the small notch in the bottom edge of the DIMM
with the key in the socket (see inset in Figure 8).
8. Insert the bottom edge of the DIMM into the socket.
9. When the DIMM is inserted, push down on the top edge of the DIMM until the retaining clips
snap into place. Make sure the clips are firmly in place.
10. Reinstall the AGP card if it was removed prior to installing the DIMMs.
11. Replace the computer’s cover and reconnect the AC power cord.
Removing DIMMs
To remove a memory module, follow these steps:
1. Observe the precautions in "Before You Begin" on page 21.
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. Remove the AGP card if it interferes with the DIMM clips being easily opened and closed.
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 AGP card if you removed it before installing the DIMMs.
9. Reinstall and reconnect any parts you removed or disconnected to reach the DIMM sockets.
10. Replace the computer’s cover and reconnect the AC power cord.
Installing and Removing the AGP Card
The AGP connector supports 1.5 V 4X and 2X AGP cards. The Desktop Boards D845EPT2 and
D845EBG2 have an integrated AGP retention mechanism (RM).
Installing an AGP Card
Follow these instructions to install an AGP card:
1. Place the AGP card in the AGP connector.
2. Press down on the card until it is completely seated in the AGP connector and the card
retention notch snaps into place around the RM pin.
3. Secure the card’s metal bracket to the chassis back panel with a screw.