74 Installing System Components5 Disconnect the cables from the SAS controller daughter card on the expansion-bay bracket and pullthe cables out of the way of the center fans.6 Remove the fans from the center fan bracket. See "Removing and Installing a Fan" on page 65.7 Remove the center fan bracket. See "Removing the Center Fan Bracket" on page 81.8 If the mounting screws are not attached to the drive, install them now.9 Insert the new optical drive three-quarters of the way into the drive slot on the peripheral bay, withthe mounting screws entering the bay slide slots. See Figure 3-16.10 Attach one end of the ribbon cable to the IDE connector on the system board (see Figure 6-2) andthe other end to the connector on the rear of the optical drive.11 Attach the power cable to the CD power connector (CD/TBU) at the top of the SAS backplaneboard (see Figure 6-3) and to the power connector on the rear of the optical drive.12 Push the optical drive the rest of the way into the bay until the spring latch engages.13 Replace the center fan bracket. See "Replacing the Center Fan Bracket" on page 81.14 Replace the fans into the center fan bracket.15 Reconnect the cables to the SAS controller daughter card.16 Close the system. See "Closing the System" on page 53.17 Replace the front bezel, if removed in step 2.18 Reconnect the system and peripherals to their electrical outlets.Diskette DriveRemoving the Diskette DriveCAUTION: Only trained service technicians are authorized to remove the system cover and access any of thecomponents inside the system. See your Product Information Guide for complete information about safetyprecautions, working inside the computer, and protecting against electrostatic discharge.1 Turn off the system, including any attached peripherals, and disconnect the system from the electricaloutlet.2 Remove the front bezel, if attached. See "Removing the Bezel" on page 50.3 Open the system. See "Opening the System" on page 53.4 Disconnect the power cable and ribbon cable from the back of the diskette drive.5 Release the diskette drive carrier from the top of the peripheral bay.a Push inward on the plastic tab on the side of the carrier until the tab clears the metal stop.b Slide the carrier back and lift out of the chassis. See Figure 3-17.
