Installing the Motherboard
20
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.
8. When the DIMM is seated, push down on the top edge of the DIMM until the retaining clips at
the ends of the socket 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, start the computer and use the ECC Configuration
feature in Setup to enable the use of ECC.
OM06224
Figure 11. Installing a DIMM
Removing Memory
To remove a DIMM, follow these steps:
1. Observe the precautions in "Before You Begin" (see page 11).
2. Turn off all peripheral devices connected to the computer. Turn off the computer.
3. Remove the computer cover.
4. Gently spread the retaining clips at each end of the socket. The DIMM pops out of the socket.
5. Hold the DIMM by the edges, lift it away from the socket, and store it in an antistatic package.
6. Reinstall and reconnect any parts you removed or disconnected to reach the DIMM sockets.