Dell PowerEdge T300 Hardware Owner's Manual (PDF) - Page 126

Installing the SAS Backplane 1 Position the SAS backplane so that the securing tabs on the chassis are fully inserted into the securing slots on the backplane (see Figure 3-32). 2 Slide the backplane to the right until the release pin snaps into place. 3 Reconnect the following cables to the backplane (see Figure 3-32): • SAS cable • Power cable • Backplane cable 4 Reseat the hot-plug hard drives in the system (see "Installing a HotPluggable Hard Drive" on page 78). NOTE: Reinstall the hard drives in the same drive bays from which they were removed. 5 Replace the processor airflow shroud (see "Installing the Processor Airflow Shroud" on page 72). 6 Replace the system cover (see "Installing the System Cover" on page 67).. Control Panel (Service-only Procedure) Removing the Control Panel CAUTION: Only trained service technicians are authorized to remove the system cover and access any components inside the system. Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge. 1 Turn off the system and attached peripherals, and disconnect the system from the electrical outlet and from the peripherals. 2 Remove the system cover (see "Removing the System Cover" on page 66). 3 Remove the front-drive bezel (see "Removing the Front Bezel" on page 63). 126 Installing System Components