IBM 8852 - BladeCenter H Rack-mountable, Service Manual

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Removing the rear LED/serial connector assembly
To remove the rear LED/serial connector assembly, complete the following steps.
1. Read the safety information that begins on page v and “Installation
guidelines” on page 29.
2.
Shut down the operating systems and turn off any blade servers in the
BladeCenter unit. See the documentation that comes with the blade server for
detailed instructions.
3. Disconnect the power from the BladeCenter unit (see “Disconnecting power
from the BladeCenter unit” on page 9).
4. Remove the shuttle from the BladeCenter unit (see “Removing the shuttle” on
page 50). Place the shuttle on its top on a sturdy surface.
5. Disconnect the assembly cable from the midplane connector. Note the routing
of the cable for use during reinstallation.
6. Remove the two studs that attach the serial connector to the rear panel of the
shuttle.
7.
Remove the two screws that connect the circuit board of the assembly to the
bottom of the shuttle.
8. Carefully grasp the circuit board and pull it away from the rear panel of the
shuttle until it stops.
9. Tilt the edge of the circuit board out of the opening in the shuttle bottom and
slide the assembly out of the shuttle.
10. If you are instructed to return the assembly, follow all packaging instructions,
and use any packaging materials for shipping that are supplied to you.
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BladeCenter H Type 8852, 7989, and 1886: Problem Determination and Service Guide