STORIOA
This symbolic FRU indicates that the storage I/O adapter part number could not be determined.
Use the I/O adapter location information in the serviceable event view if it is available. If the location is not available, find the address of the I/O adapter. See the System reference code format description. Use the address to find the location. See Addresses. For part number information, see PCI adapter information by feature type. To replace the failing item, see PCI adapter.