IBM pSeries 690 Service Manual page 735

Error Code Description
4B26 258A Processor subsystem detected fault in 4-way
processor MCM
4B26 25C0 Processor subsystem and scan interface basic
assurance tests detected fault in system
backplane
4B26 25C1 Processor subsystem and scan interface basic
assurance tests detected fault in 1.0 GHz clock
card
4B26 25C7 Processor subsystem and scan interface basic
assurance tests detected fault in 4-way
processor MCM
4B26 25C8 Processor subsystem and scan interface basic
assurance tests detected fault in 4-way
processor MCM
4B26 25CF Processor subsystem detected fault in 8-way
processor MCM
4B26 25D3 Processor subsystem and scan interface basic
assurance tests detected fault in 8-way
processor MCM with VPD card
4B26 25D5 Processor subsystem and scan interface basic
assurance tests detected fault in 8-way
processor MCM with VPD card (8-, 16-, or
24-way)
4B26 25D7 Fault in 4-way processor MCM detected
4B26 25D8 Fault in 4-way processor MCM detected
4B26 25E5 Processor subsystem detected fault in 4-way
processor MCM
4B26 25E9 Processor subsystem detected fault in 84-way
processor MCM
4B26 28B0 Processor subsystem and scan interface basic
assurance tests detected fault in I/O subsystem
PCI backplane
4B26 28B1 Processor subsystem and scan interface basic
assurance tests detected fault in I/O subsystem
DASD backplane
4B26 526B Fault detected in 4-way or 8-way CUoD MCM
4B26 526C Fault detected in 4-way or 8-way CUoD MCM
Action/
Possible Failing FRU
Go to "MAP 1540: Problem Isolation
Procedures" on page 298 to isolate the failing
component.
System backplane
Location: U1.18-P1
Clock card
Location: U1.18-P1-X5
Go to "MAP 1540: Problem Isolation
Procedures" on page 298 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 298 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 298 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 298 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 298 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 298 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 298 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 298 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 298 to isolate the failing
component.
I/O subsystem PCI backplane at location
specified in error code
I/O subsystem DASD backplane at location
specified in error code
Go to "MAP 1540: Problem Isolation
Procedures" on page 298 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 298 to isolate the failing
component.
Chapter 5. Error Code to FRU Index
715