IBM pSeries 670 Service Manual page 690

Error Code Description
4B26 526D Fault detected in 4-way or 8-way CUoD MCM
4B26 526E Fault detected in 4-way or 8-way CUoD MCM
4B27 248B Processor subsystem and bus tests detected
fault in operator panel
4B27 258A Processor subsystem detected fault in 4-way
processor MCM
4B27 25C0 Processor subsystem and bus tests detected
fault in system backplane
4B27 25C1 Processor subsystem and bus tests detected
fault in 1.0 GHz clock card
4B27 25C7 Processor subsystem and bus tests detected
fault in 4-way processor MCM
4B27 25C8 Processor subsystem and bus tests detected
fault in 4-way processor MCM
4B27 25CF Processor subsystem detected fault in 8-way
processor MCM
4B27 25D3 Processor subsystem and bus tests detected
fault in 8-way processor MCM with VPD card
4B27 25D5 Processor subsystem and bus tests detected
fault in 8-way processor MCM with VPD card
(8-, 16-, or 24-way)
4B27 25D7 Fault in 4-way processor MCM detected
4B27 25D8 Fault in 4-way processor MCM detected
4B27 25E5 Processor subsystem detected fault in 4-way
processor MCM
4B27 25E9 Processor subsystem detected fault in 8-way
processor MCM
4B27 28B0 Processor subsystem and bus tests detected
fault in I/O subsystem PCI backplane
4B27 28B1 Processor subsystem and bus tests detected
fault in I/O subsystem DASD backplane
4B27 526B Fault detected in 4-way or 8-way CUoD MCM
670 Eserver pSeries 670 Service Guide
Action/
Possible Failing FRU
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Operator panel
Location: U1.17-L1
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 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 253 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 to isolate the failing
component.
Go to "MAP 1540: Problem Isolation
Procedures" on page 253 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 253 to isolate the failing
component.