Service manual

Power Cabinet Component Removal and Replacement 5-17
it to continue to operate, follow operating system procedures to put the local
I/O riser into the hot-swap state. See Section 4.3.1 and skip to step 4.
2. If the system is not partitioned, shut down the operating system and issue
the SRM power off command. Put the OCP switch in the Off position.
Skip to step 4.
3. If the system is partitioned, from the console connected to the partition to
which the PCI box containing the target FRU is attached, shut down the
operating system and power it off using the SRM power off command.
Put
the OCP switch in the Secure position.
4. Unplug the power supplies in the target PCI box.
5. In redundant systems that have two master PCI boxes, access to a
particular DVD/CD-ROM player depends on whether it is in the PCI box at
the top of a cabinet or underneath another PCI box. If the broken device is
in the top PCI box, you may be able to get to it without taking the box out of
the cabinet. If, on the other hand, the broken device is in a PCI box
underneath another PCI box, determine whether you need to remove the
box from the cabinet or not. Follow the appropriate procedure described in
Section 5.1 step 7 or 8.
6. Unplug the power and signal cables from the DVD/CD-ROM player and fold
them out of the way.
7. Unscrew the captive fastener that holds the bracket to which the DVD/CD-
ROM player is attached.
8. Push the front of the DVD/CD-ROM player back toward the rear of the box
and lift it up and out.
9. Unscrew the four Phillips head screws holding the DVD/CD-ROM player to
the bracket and remove.
Replacement
Reverse the steps outlined in the removal procedure.
Verification
Power up the system and check that the DVD/CD-ROM drive powers up without errors.