Replace the auxiliary I/O adapter.

Use the location information in the Service Action Log, if it is available. If the location information is not available, determine the address of the auxiliary cache I/O adapter. See System reference code (SRC) address formats, or see "System reference code (SRC) address formats" in the service guide for the system unit. Use the address to find the location, See Locating FRUs, or see "Locating FRUs" in the service guide for the system unit.