IBM 7985, Руководство по диагностике и обслуживанию

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Removing the CD/DVD media backplane
To remove the CD/DVD media backplane, complete the following steps.
CD/DVD media backplane
1. Read the safety information that starts on page vii, and “Installation guidelines”
on page 105.
2. Turn off the server, and all attached devices.
3. Disconnect all external cables and power cords.
4. Slide the server out of the rack.
5. Remove the cover (see “Removing the cover” on page 109).
6. Remove the fan bracket assembly (see “Removing the fan-bracket assembly”
on page 136).
7. Disconnect the operator-information-panel cable from the system board.
8. Release the CD-RW/DVD drive and pull it out of the bay slightly (see
“Removing a CD-RW/DVD drive” on page 125).
9. Disconnect the CD/DVD power and signal cables from the connectors on the
media backplane.
10. Remove the two screws that secure the media backplane to the chassis.
11. Lift the media backplane out of the server.
12. If you are instructed to return the media backplane, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.
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IBM System x3655 Type 7985 and 7943: Problem Determination and Service Guide