IBM 7015-R30, Installation And Service Manual

Page: 114 / 300

3-1540-12
Service Guide
Step 10
(from Step 1)
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. Record the slot numbers of the adapters. Label and record the location of any cables
attached to the adapters. Remove all the MCA adapters except the one that is attached
to the CD-ROM drive that you will IPL from and the one that your console is attached to.
Note: If a system console is connected to the to the CPU Enclosure, do not disconnect
it.
If a display attached to a display adapter will be the system console, do not
disconnect the keyboard.
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. If the Maintenance Menu is displayed, select
System Boot
, then Boot From List.
7. 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.
8. Wait for one of the following conditions to occur:
•
The system stops with
c31
displayed in the operator panel display.
•
The system stops with a flashing or solid
269
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 The symptom has changed. Check for loose cards, cables, and obvious
problems. If you do not find a problem, return to Step 1 in this MAP, and
follow the instructions for the new symptom.
YES Go to Step 11.