Dell DR4100 Owner's Manual page 66

Figure 34. Processor Shield Opening and Closing Lever Sequence
1. close-lock symbol
2. processor socket-release lever
3. processor
10. Rotate the processor shield upward and out of the way.
CAUTION: The socket pins are fragile and can be permanently damaged. Be careful not to bend the pins in the
socket when removing the processor out of the socket.
11. Lift the processor out of the socket and leave the release lever up so that the socket is ready for the new
processor.
NOTE: If you are permanently removing a processor, you must install a processor/DIMM blank in the vacant
socket to ensure proper system cooling. The processor/DIMM blank covers the vacant sockets for the
DIMMs and the processor.
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4. processor socket-release lever
5. open-lock symbol