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Installing and Replacing Motherboard Components
28
Figure 12 shows the location of the DIMM sockets.
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Figure 12. Location of DIMM Sockets
To install DIMMs, follow these steps:
1. Observe the precautions in “Before You Begin” (see page 17).
2. Turn off all peripheral devices connected to the computer. Turn off the computer.
3. Remove the computer cover and locate the DIMM sockets.
4. Holding the DIMM by the edges, remove it from its antistatic package.
5. Make sure the clips at either end of the socket are pushed away from the socket.
6. Position the DIMM above the socket. Align the two small notches in the bottom edge of the
DIMM with the keys in the socket.
7. Insert the bottom edge of the DIMM into the socket (see Figure 13).
8. When the DIMM is seated, push down on the top edge of the DIMM until the retaining clips
snap into place. Make sure the clips are firmly in place.
9. Replace the computer cover.
10. If you installed a DIMM with ECC memory, turn on the computer and use the ECC
Configuration feature in Setup to enable ECC (see Chapter 3).