IBM H Series Installation And Service Manual page 60

Step 1520-7
1. Turn the power off.
2. Unplug the power cable from the wall outlet.
3. Record the slot numbers of all the ISA and PCI adapters. Label and record the
location of any cables attached to the adapters. Disconnect any cables attached
to the adapters and remove all the adapters.
4. Remove the memory card(s).
5. Remove the processor card(s).
6. Unplug the power cable(s) from the disk drive cage backplane(s).
7. Unplug the power cables from all the SCSI devices in the media bay.
8. Unplug all the fans (CPU fan, media blower, DASD blower and I/O blower),
except the power supply fans.
9. Plug the power cable into the wall outlet.
10. Turn the power on.
Do the power supply fans turn on and the power LED on the operator panel
come on and stay on?
NO Go to "Step 1520-8" on page 2-27.
YES Go to "Step 1520-9" on page 2-28.
2-26
RS/6000 Enterprise Server Model H Series Installation and Service Guide