Installing System Components 117Installing the Front-Panel I/O Module1 Connect and latch the front-panel I/O cable at the back of the module.2 Tighten the single screw to secure the bracket to the back of the module.3 Align the module with the holes on the right side of the system chassis andsecure with the three Torx screws. See Figure 3-23.4 Connect the front-panel I/O cable to the connector on the back of the SASbackplane.5 Close the system. See "Closing the System" on page 65.6 Reconnect the system to its electrical outlet and turn the system on,including any attached peripherals.7 If applicable, replace the front bezel. See "Installing the Front Bezel" onpage 64.SAS BackplaneRemoving the SAS BackplaneCAUTION: Many repairs may only be done by a certified service technician.You should only perform troubleshooting and simple repairs as authorized inyour product documentation, or as directed by the online or telephone serviceand support team. Damage due to servicing that is not authorized by Dell is notcovered by your warranty. Read and follow the safety instructions that camewith the product.1 If applicable, remove the optional bezel. See "Removing the Front Bezel"on page 63.2 Turn off the system and attached peripherals, and disconnect the systemfrom the electrical outlet.3 Open the system. See "Opening the System" on page 64.CAUTION: To prevent damage to the drives and backplane, you must remove thehard drives from the system before removing the backplane.CAUTION: You must note the number of each hard drive and temporarily labelthem before removal so that you can replace them in the same locations.4 Remove all hard drives. See "Removing a Hot-Swap Hard Drive" onpage 68.
