IBM RS/6000 SP, Maintenance Information

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MAP 0180: Thin Processor Node DC Short/Open
009 (continued)
Was a component replaced and the measured resistance now within range?
Yes No
010
– Remove the next highest priority component from list in Step 009 on page 1-85.
Did resistance increase to acceptable range?
Yes No
011
Component with short has not yet been located.
Have all components in the list been removed?
Yes No
012
– Return to Step 010 to pull next part.
013
– Replace the I/O planar board.
– Reinstall all other original components.
– Go to Step 009 on page 1-85 to verify the resistance.
014
– Replace component.
– Reinstall all other original components.
– Return to Step 009 on page 1-85 to verify the resistance.
015
– Reconnect planar power cable N00-PL-P2 at I/O planar board.
– Remove processor node from service position.
– Reconnect all cables at rear of the processor node.
– Put the circuit breaker on the front of the processor node in the On (‘1’) position.
Does the processor node power on okay?
Yes No
016
– Call next level of support.
017
Problem resolved.
– Go to “MAP 0570: End of Call” on page 1-357.
1-86
RS/6000 SP MAPs