A B1xxyyyy system reference code (SRC) is an error code that is related to an event or exception that occurred in the service processor firmware.
To find a description of an SRC that is not listed in this PS703 or PS704 blade server documentation, refer to the POWER7® Reference Code Lookup page at http://publib.boulder.ibm.com/infocenter/systems/scope/hw/index.jsp?topic=/ipha8/codefinder.htm.