Replace the I/O processor.

Use the I/O processor location information in the Service Action Log if it is available. If the location is not available, find the address of the I/O Processor. See System reference code (SRC) address formats. Use the address to find the location. See the table below.

FRU name	Model, expansion unit, or unit type	Location
IOP	9406-MMA	Un-P1-C1
possible IOP	9406-MMA	Un-P1-C2
IOP	9406-MMA	Un-P1-C3
possible IOP	9406-MMA	Un-P1-C4, Un-P1-C5, Un-P1-C6
IOP or IXS	5094	Un-CB1-C01
possible IOP	5094	Un-CB1-C02, Un-CB1-C03, Un-CB1-C04
IOP or IXS	5094	Un-CB1-C05
possible IOP	5094	Un-CB1-C06, Un-CB1-C07, Un-CB1-C08, Un-CB1-C09
IOP or IXS	5094	Un-CB1-C11
possible IOP	5094	Un-CB1-C12, Un-CB1-C13, Un-CB1-C14, Un-CB1-C15
IOP or IXS	0595, 5095	Un-CB1-C01
possible IOP	0595, 5095	Un-CB1-C02, Un-CB1-C03, Un-CB1-C04
IOP or IXS	0595, 5095	Un-CB1-C06
possible IOP	0595, 5095	Un-CB1-C07, Un-CB1-C08
IOP	0595, 5095, 7311-D20	Un-P1-C01
possible IOP	0595, 5095, 7311-D20	Un-P1-C02, Un-P1-C03, Un-P1-C04
IOP	0595, 5095, 7311-D20	Un-P1-C06
possible IOP	0595, 5095, 7311-D20	Un-P1-C07, Un-P1-C08