Table 7. Service Processor Error Codes (continued)
Error Code Description Action/
Possible Failing FRU
4B2D 25B1 Processor system and IPL MOPS detected
750 MHz clock fault
750 MHz clock
Location: U1.1-P1.1.1
4B2D 25B3 Processor system and IPL MOPS detected
4W 750 MHz processor fault
Go to “MAP 1540: Minimum Configuration”
on page 110.
4B2D 25B4 Processor system and IPL MOPS detected
2W 750 MHz processor fault
Go to “MAP 1540: Minimum Configuration”
on page 110.
4B2D 25DA Processor system and IPL MOPS detected
500 MHz clock fault
500 MHz clock
Location: U1.1-P1.1.1
4B2D 267D Processor system and IPL MOPS detected
an 8W, 750 MHz regulator fault
8W regulator card
Location: U1.1-P1-V1
4B2D 2687 Processor system and IPL MOPS detected
remote I/O bus adapter fault
Remote I/O bus adapter
Location: U1.1-P1.1
4B2D 271A Processor system and IPL MOPS detected
primary I/O planar fault
Primary I/O planar
Location: U0.1-P1
4B2D 271D Processor system and IPL MOPS detected
secondary I/O planar fault
Secondary I/O planar
Locations: U0.2-P1
U0.3-P1
U0.4-P1
4B2D 2733 Processor system and IPL MOPS detected
I/O clock fault
CEC RIO bus adapter
Location: U1.1-P1.1
4B2D 27AA Processor system and IPL MOPS detected a
2W/4W regulator fault
2W/4W regulator card
Location: U1.1-P1-V1
4B2D 27AB Processor system and IPL MOPS detected
an 8W regulator fault
8W regulator card
Location: U1.1-P1-V1
4B2D 281C Processor system and IPL MOPS detected
CEC backplane fault
CEC backplane
Location: U1.1-P1
4B2D 281D Processor system and IPL MOPS detected
Model 6M1 CEC backplane fault
CEC backplane
Location: U1.1-P1
4B2D 285D Processor system and IPL MOPS detected
SPCN fan controller fault
1. SPCN fan controller
Location: U0.1-X2
2. I/O drawer power distribution board
Location: U0.1-X1
4B2D 288A Processor system and IPL MOPS detected
memory riser card fault
1. Go to the service processor Memory
Configuration/Deconfiguration Menu to
verify memory DIMMs state. See
″Memory Configuration/Deconfiguration
Menu″ on page 374 for more information.
2. Memory riser card
Locations: U1.1-P1-M1
U1.1-P1-M2
4B2D 300A Processor system and IPL MOPS detected
32 MB DIMM fault
Memory DIMM
Locations: U1.1-P1-M1.n
U1.1-P1-M2.n
4B2D 300B Processor system and IPL MOPS detected
128 MB DIMM fault
Memory DIMM
Locations: U1.1-P1-M1.n
U1.1-P1-M2.n
4B2D 300C Processor system and IPL MOPS detected
256 MB DIMM fault
Memory DIMM
Locations: U1.1-P1-M1.n
U1.1-P1-M2.n
Chapter 5. Error Code to FRU Index 331