Fujitsu SPARC M10-4 Service Manual page 364

Confirm the hardware and software configurations.
Power off all the physical partitions.
Turn off the circuit breaker switches (CB switches) of the dedicated power
distribution unit (PDU) mounted on the rack for expanded connection.
21.4 Removing the Crossbar Backplane
Unit
Caution -
Partially pull out the following components, in order, from top to bottom.
Remove the front cover.
Remove all the fan units.
Loosen the two screws (A in the figure) securing the upper cover and slide
the right and left stoppers (B in the figure) inwards. Then, remove the upper
cover (C in the figure).
Fujitsu M10-4/Fujitsu M10-4S/SPARC M10-4/SPARC M10-4S Service Manual ･ February 2014
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