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4. SCSI device power cable(s), lowest bay to highest bay
5. PCI adapters, lowest slot to highest slot
Turn on the power after each part is installed or connected. If the system does not
power on or the power LED on the operator panel does not stay on, the most recently
installed or connected part is causing the failure.
1. Press the power button to turn off the power.
2. Unplug the system unit power cable from the wall outlet.
3. Install or connect one of the parts in the list.
4. Connect the system unit power cable to the wall outlet.
5. Press the power button to turn on the power.
Do the fans in the front of the machine and the power LED on the operator panel
come on and stay on?
NO
YES
MAP 1540: Minimum Configuration
Purpose of this MAP
This MAP is used to locate defective FRUs not found by normal diagnostics. For this
procedure, diagnostics are run on a minimally configured system. If a failure is detected
on the minimally configured system, the remaining FRUs are exchanged one at a time
until the failing FRU is identified. If a failure is not detected, FRUs are added back until
the failure occurs. The failure is then isolated to the failing FRU.
Notes:
1. Be sure to unplug the power cable before removing or installing the processor card,
memory riser card(s), or system board to avoid damage to them.
2. This MAP assumes that a CD-ROM drive is installed and connected to the
integrated SCSI adapter, and a Diagnostics CD-ROM is available.
3. If a power-on password or privileged-access password is installed, you are
prompted to enter the password before the diagnostic CD-ROM can load.
4. The term POST indicators refers to the device mnemonics (words memory,
keyboard, network, scsi, and speaker) that appear during the power-on self-test
(POST).
Replace the last part installed.
Repeat these steps until all the parts have been installed.
If the symptom did not change and all the FRUs have been exchanged, call
your service support person for assistance.
If the symptom has changed, check for loose cards, cables, and obvious
problems. If you do not find a problem, return to "Step 1520-1" on page 53 in
this MAP and follow the instructions for the new symptom.
Go to "MAP 410: Repair Checkout" in RS/6000 and Eserver pSeries
Diagnostic Information for Multiple Bus Systems .
Chapter 3. Maintenance Analysis Procedures
57
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