
Disconnect the PCI fan from the power distribution board.
Replacing the power distribution board
To replace the power distribution board:
1 Follow the instructions in “Preventing static electricity discharge” on page 41. Make sure that you turn off the server, then unplug the power cord(s) and all other cables connected to the server.
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4 Remove the power supply modules by following the instructions in “Replacing a power supply module” on page 88.
5 Disconnect the main power, CPU power, and power signal cables from the system board. See “System board” on page 6 for the location of the connectors on the system board.
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7 Disconnect the power cables from the power distribution board and the
8 Disconnect the drive cables and drive power cables from the backplane.
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