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Checking internal connections
TO CHECK MOTHERBOARD DIMM CONNECTIONS
1. Check that all DIMMs are locked. If any DIMMs are loose, release and reseat them.
The DIMMs on the motherboard are held in place by levers at each end.
2. To release a DIMM, push outward on the levers on each side of the DIMM.
F
IGURE 4-7 DIMM and socket
3. Pull the DIMM straight out of the socket.
4. To replace a DIMM, insert the DIMM straight into the socket and close the levers at each
side to lock it into place.
N
OTE: The socket is keyed so that the DIMM fits only one way. (See notches in the figure
above.)
Make sure that the levers close securely around the ends of the DIMM and that each
DIMM is fully seated in its socket.
Lever
Lever
DIMM
Socket notch
DIMM notch