IBM RS/6000 SP, Maintenance Information

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MAP 0340: POWER3 SMP Thin and Wide Node Power
MAP 0340: POWER3 SMP Thin and Wide Node Power
Note: Refer to "Service Position Procedures" in IBM RS/6000 SP: Maintenance Information, Volume 3,
Locations and Service Procedures for placing or removing processor node(s) in/from service posi-
tion.
001
Ensure all circuit breakers for this node (power assembly and 48-volt in-line) are in the ON (‘1’) position
Is this a wide node (I/O expansion assembly attached and no supervisor card in left side)?
Yes No
002
– Go to Step 008.
003
Are the I/O power assembly power interlock bar and tab engaged correctly?
Yes No
004
– Reseat the I/O power assembly and ensure the power interlock bar and tab are engaged cor-
rectly.
Have the problem symptoms changed?
Yes No
005
– Go to Step 008.
006
– Go to “MAP 0130: Processor Node” on page 1-30.
007
– Go to Step 008.
008
– Check the node supervisor card green LED 1.
Is the green LED 1 Off?
Yes No
009
Processor node getting 48 V dc power.
Is the node supervisor green LED 1 flashing?
Yes No
010
Green LED 1 is On, indicating no problem with power supply.
– Verify that you have the proper processor node, then go to “MAP 0130: Processor Node”
on page 1-30.
1-200
RS/6000 SP MAPs