IBM 7015-R50 Installation And Service Manual page 112

Cpu enclosure
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Step 8
(from Steps 7 and 17)
The system is working correctly with this configuration. One of the adapters or devices that
you removed is probably defective.
1. Set the power button on the CPU Enclosure to Off.
2. Unplug both PDB outlet power cords from both power supply power cords.
3. Install one adapter, and connect any cables and devices that were attached to it.
4. Plug both PDB outlet power cords into both power supply power cords.
5. Set the power button on the CPU Enclosure to On.
6. Insert the diagnostic CD-ROM disc into the CD-ROM drive (if not already inserted).
7. If the Maintenance Menu is displayed, select System Boot, then Boot From List.
8. If the system stops with a 260 displayed, and the Main Menu is displayed, Select Exit
Main Menu and Start System (Boot) and press Enter. When the "Starting
System Boot" menu displays, press Enter. Repeat this procedure each time these
conditions occur.
9. Wait for one of the following conditions to occur:
The system stops with c31 displayed in the operator panel display.
The same three digit number is displayed in the operator panel display for longer than
three minutes except for the number 165 which may display for up to ten minutes with
no activity on the BUMP console.
The number 888 is flashing in the operator panel display.
Is c31 displayed in the operator panel display?
NO
YES
3-1540-10
Service Guide
Go to Step 9.
Repeat Step 8 until all of the adapters are installed.
Go to "Map 0410: Repair Checkout" in the Diagnostic Information For Micro
Channel Bus Systems .

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