Dell PowerEdge R300 - Manual (Page 101)

Installing System Components
101
3 If applicable, install the expansion card in the expansion-card slot.
4 If applicable, connect the expansion card in the expansion-card slot.
5 Close the system. See "Opening and Closing the System" on page 70.
Backplane Board
Removing the Backplane Board
CAUTION:
Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered
by your warranty. Read and follow the safety instructions that came with the
product.
1 If applicable, remove the bezel. See "Front Bezel" on page 69.
2 Turn off the system and attached peripherals, and disconnect the system
from the electrical outlet.
3 Open the system. See "Opening and Closing the System" on page 70.
4 Remove the hard drives.
NOTICE:
To properly reinstall the hard drives, ensure that you record which
hard drive you remove from which bay.
5 Disconnect the SAS cable and power cable from the backplane. See
Figure 3-17.
6 Remove the backplane by squeezing together both sides of the center
release latch. See Figure 3-17.
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