A SERVICE OF

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Field Replaceable Units
FRU Removal and Replacement
151
Backplane
Before removing the backplane, perform the following
procedures:
Remove the Main Tray Assembly
Remove the CPU Board
Remove the Rear Panel
Remove the I/O Board
Remove the I/O Extension Board
Perform the following steps to remove the backplane:
1 Remove the card guide retaining screw, as shown in Fig-
ure 59.
Figure 59 Removing the Backplane
2 Lift the card guide up and out, as shown in Figure 59.