Installing System Components 853 Open the system. See "Opening the System" on page 59.4 Remove the expansion card stabilizer. See "Removing the Expansion-CardStabilizer" on page 78.5 Open the expansion-card latch and remove the filler bracket. SeeFigure 3-16.NOTE: Keep this bracket in case you need to remove the expansion card.Filler brackets must be installed over empty expansion-card slots to maintainFCC certification of the system. The brackets also keep dust and dirt out of thesystem and aid in proper cooling and airflow inside the system.6 Holding the card by its edges, position the card so that the card-edgeconnector aligns with the expansion-card connector on the expansion-cardriser.7 Insert the card-edge connector firmly into the expansion-card connectoruntil the card is fully seated.8 Close the expansion-card latch. See Figure 3-16.9 Connect all cables to the expansion card.10 Replace the expansion-card stabilizer. See "Installing the Expansion-CardStabilizer" on page 78.11 Close the system. See "Closing the System" on page 60.SAS Controller Expansion CardRead the installation instructions in the documentation for your SAScontroller card. Install the card in the expansion card connector (see"Installing an Expansion Card" on page 84), and connect the hard-driveactivity indicator cable from the card to the HD_ACT_CARD (AUXLED1)connector on the system board (see Figure 6-1 to locate the connector).Secure the cables to the slots to manage the slack.For information on connecting hard drives, see "Hard Drives" on page 70.
