User’s responsibilities
Before calling IBM
®
for service, the system administrator should use the problem determination section of
the

Parallel System Support Programs for AIX

®

: Diagnosis Guide

(GA22-7350), for initial problem
determination. If there is nothing wrong with the customer operating procedures, customer-supplied cables,
or the power source, the customer should then call IBM for service.
How to use this book
This book is intended for RS/6000 SP product-trained service personnel.
When performing RS/6000 SP maintenance, the service provider must follow all “Maintenance Analysis
Procedures” beginning with the Start MAPs in the
RS/6000 SP: System Service Guide
.
Beginning with the Start MAPs, isolate the problem to one or more of these RS/6000 SP components:
vSupervisor Subsystem
vProcessor Node
vPower Subsystem
vHigh Voltage Transformer (WorldTrade)
vEthernet Local Area Networks (LANs)
vPCI Adapter.
Note: If the diagnostic procedures indicate that the problem is isolated to a SP Switch2, the information in
RS/6000 SP: System Service Guide
will direct you to return to this book.
If you cannot determine the failure’s cause, you should request the assistance of the RS/6000 SP Field
Support Center.
How to send your comments
Yourfeedback is important in helping to provide the most accurate and highest quality information. If you
have any comments about this book or any other RS/6000 SP documentation:
vSend your comments by e-mail to mhvrcfs@us.ibm.com. Be sure to include the name of the book, the
order number of the book, and, if applicable, the specific location of the text you are commenting on (for
example, a page number or table number).
vFill out one of the forms at the back of this book and return it by mail, by fax, or by giving it to an IBM
representative.
xvi RS/6000 SP: SP Switch2 Service Guide