Dell PowerEdge 4300 Installation And Troubleshooting Manual page 95

door
latches (2)
To access the microprocessors or the memory inside the computer, you must remove
the interior support panel (see Figure 7-5). To remove the support panel, turn the
thumbscrews on the left side of the panel, rotate the panel outward slightly, lift the
hinge side of the panel to clear the tabs from the hinge slots, and remove the panel.
To access the system board, you must remove all expansion cards in addition to the
support panel. For instructions on removing the expansion cards, see "Removing an
Expansion Card" in Chapter 8.
expansion-card access door
keylock in the
latch position
Checking Inside the Computer 7-7