Dell Precision 690 - Manual (Page 108)

3. Loosen the captive thumbscrews that secure the memory shroud and lift it away from the computer.
4. Note the position of the memory fan, then lift the memory fan free from the fan support structure and set it aside.
5. Press out the securing clip at each end of the memory module connector.
6. Align the notch on the bottom of the module with the crossbar in the connector.
1 memory shroud
2 thumbscrews (2)
3 memory fan
1 memory fan
2 memory fan support structure
CAUTION: Fully-buffered memory modules may become very hot during normal operation. Ensure that memory modules have had sufficient time
to cool before you touch them.
1 securing clips (2)
2 connector
1 cutouts (2)
2 memory module
3 notch
4 crossbar