Figure 57. Removing and Installing a Backplane Expander Board1. guide pins on the hard-drive backplane (2)2. backplane expander board connectors (3)3. securing screws on the release lever (underthe expander board) (2)4. standoff on the release lever (under theexpander board)5. expander board bracket6. release lever7. SAS cable connectors (2)8. backplane expander board9. hard-drive backplaneInstalling A Backplane Expander BoardCAUTION: Many repairs may only be done by a certified service technician. You should only performtroubleshooting and simple repairs as authorized in your product documentation, or as directed by the online ortelephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by yourwarranty. Read and follow the safety instructions that came with the product.1. Align the slots on the two ends of the backplane expander board with the guide pins on the hard-drive backplane.2. Holding the backplane expander board by the release lever, slide it into the connectors on the hard-drivebackplane, until fully seated.The securing screws and standoff on the release lever (under the expander board) slide into the slots on theexpander board bracket on the hard-drive backplane.3. Rotate the release lever inward until it is level with the expander board and the expander board connectors engagewith the hard-drive backplane connectors.4. Connect the SAS cables to the backplane expander board.5. Reinstall the cooling-fan assembly.6. Reinstall the cooling shroud.7. Close the system.8. If applicable, place the system upright on a flat, stable surface and rotate the system feet outward.98
