Lenovo ThinkStation P520 30BE User Manual page 126

b. Lift the plastic PCIe card latch at the rear of the computer. Then, pivot the latch outward to rest it on
the edge of the rear panel.
Figure 106. Opening the PCIe card latch
c. Remove the appropriate metal slot cover. Install the new card into the appropriate slot on the system
board. See "Parts on the system board" on page 8.
d. Pivot the PCIe card latch and push it back in until it snaps into position.
e. If the new PCIe card needs to be connected to another device, connect the cable of the device to the
new PCIe card.
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P520 User Guide