IBM RS/6000 SP, Maintenance Information

Page: 108 / 388

MAP 0190: Processor Node Function
004 (continued)
Does this processor node experience frequent problems?
Yes No
005
– Record intermittent problem.
– Go to “MAP 0570: End of Call” on page 1-357.
006
– Call next level of support.
007
– Record the new LED value or sequence.
– Check the service process logs
– From the control workstation power off processor node.
– From node front panel display, click on “TTY” button to open a TTY console.
– From the TTY console:
Ÿ Select option 3 on the Main Menu
Ÿ Select option 4 on the System Information Menu
– Record the log information and clear the log.
– Go to “MAP 0100: Start of Service Call” on page 1-4 with the new error information.
008
– Use the following table to continue service:
Condition of LEDs Action
Ÿ LEDs display uuu
–
Commonly used to indicate that processor
node has completed IPL.
IPL okay. Treat as blank LEDs.
Ÿ LEDs display u98
– Indicates processor node is IPLed in mainte-
nance mode.
Refer to "Selecting a Processor Node Boot Response"
in
IBM RS/6000 SP: Maintenance Information, Volume
3, Locations and Service Procedures for more informa-
tion.
Ÿ
LEDs display u ## or ##u
– Indicates status of SP-unique software.
IPL or software installation in progress. If they do not
change within 30 minutes, use the
IBM Parallel
System Support Programs for AIX: Diagnosis Guide to
diagnose the software/hardware problem.
Ÿ LEDs stop at 103 during IPL
– Problem with reset function.
Go to Step 024 on page 1-77, Step 024 on
page 1-113, or Step 024 on page 1-138.
Ÿ
LEDs stop at 200 during IPL
– IPL attempted in SECURE mode.
1. From the node front panel, put processor node in
SERVICE or NORMAL mode (as appropriate),
then click on RESET to reset processor node.
2. If this reoccurs, go to “MAP 0170: Thin Processor
Node Control” on page 1-74, “MAP 0230: Wide
Processor Node Control” on page 1-110, or “MAP
0270: 604 or 604e High Node Control” on
page 1-135 to fix mode switch problem.
1-88
RS/6000 SP MAPs