Lenovo System x3850 X6 Installation And Service Manual page 316

Removing the midplane
Use this information for instructions on how to remove the chassis midplane.
To remove the chassis midplane, complete the following steps:
Note: This procedure for removing the midplane apply to both the 4-socket and the 8-socket configurations
of the server, unless otherwise specified.
Step 1. Before you begin, read "Safety" on page v and "Installation guidelines" on page 44 .
Step 2. Turn off the server (see "Turning off the server" on page 40) and all attached peripheral devices.
Disconnect all power cords; then, disconnect all external cables from the server.
Step 3. Slide all of the compute books, compute book fillers, and the storage book out of the front of the
server slightly.
Step 4. Remove all of the components from the rear of the server.
Step 5. (Optional) Install the lower shipping bracket that comes with the System x3850 X6 and x3950 X6
Rack Installation Kit or with the replacement midplane to help support the shuttle while removing
and replacing the midplane. See the Lenovo System x3850 X6 and x3950 X6 Type 6241 Rack
Installation Instructions for instructions.
Note: You can leave the lower shipping bracket installed on the rack after replacing the midplane.
Step 6. Press the blue buttons on the interior wall of the shuttle to release the shuttle cam handles and
rotate the handles all the way down.
Step 7. Grasp the shuttle with your hand through the hole on the center of the shuttle and grasp the bottom
of the shuttle with your other hand and slide the shuttle out of the chassis.
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System x3850 X6 and x3950 X6 Installation and Service Guide