5. Close the PCI retention clamp 4 by rotating the clamp downward and pushing on the two green
snaps down from the rear panel of the chassis.
6. If installing a PCI Express high-end graphics card, plug in the auxiliary cable 5 from the power
supply.
Figure 4-28 Installing the PCI Express card
Front PCI card guide and fan removal (optional)
NOTE: The fan is only used for special configurations, but the card guide is used with all full-length
add-in cards.
1. Disconnect power from the system (Predisassembly procedures on page 57), remove the side
access panel (
Side access panel on page 63), and remove the front bezel (Front Bezel
on page 64).
2. Disconnect the fan wire 1 from the connector on the system board.
ENWW Removal and replacement of components 81