Dell R300 owner manual Removing the Backplane Board

3If applicable, install the expansion card in the expansion-card slot.

4If applicable, connect the expansion card in the expansion-card slot.

5Close the system. See "Opening and Closing the System" on page 68.

Backplane Board

Removing the Backplane Board

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.

1If applicable, remove the bezel. See "Front Bezel" on page 67.

2Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

3Open the system. See "Opening and Closing the System" on page 68.

4Remove the hard drives.

NOTICE: To properly reinstall the hard drives, ensure that you record which hard drive you remove from which bay.

5Disconnect the SAS cable and power cable from the backplane. See Figure 3-17.

6Remove the backplane by squeezing together both sides of the center release latch. See Figure 3-17.

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Installing System Components