Table 27. A00-FF0 through A24-xxx SRNs (continued)SRN Description FRU/actionA01-06x Time-out error waiting for I/O. 1. Check the BladeCenter management-moduleevent log; if an error was recorded by thesystem, see “POST progress codes(checkpoints)” on page 84.2. If no entry is found, Replace thesystem-board.A01-07x System bus parity error. 1. Check the BladeCenter management-moduleevent log; if an error was recorded by thesystem, see “POST progress codes(checkpoints)” on page 84.2. If no entry is found, Replace thesystem-board.A01-08x System bus protocol/transfer error. 1. Check the BladeCenter management-moduleevent log; if an error was recorded by thesystem, see “POST progress codes(checkpoints)” on page 84.2. If no entry is found, Replace thesystem-board.A02-00x Error log analysis indicates an errordetected by the memory controller, butthe failure could not be isolated.1. Check the BladeCenter management-moduleevent log; if an error was recorded by thesystem, see “POST progress codes(checkpoints)” on page 84.2. If no entry is found, Replace thesystem-board.A02-01x Uncorrectable Memory Error. 1. Check the BladeCenter management-moduleevent log; if an error was recorded by thesystem, see “POST progress codes(checkpoints)” on page 84.2. If no entry is found, Replace thesystem-board.A02-03x Correctable error threshold exceeded. 1. Check the BladeCenter management-moduleevent log; if an error was recorded by thesystem, see “POST progress codes(checkpoints)” on page 84.2. If no entry is found, Replace thesystem-board.A02-04x Memory Control subsystem internalerror. 1. Check the BladeCenter management-moduleevent log; if an error was recorded by thesystem, see “POST progress codes(checkpoints)” on page 84.2. If no entry is found, Replace thesystem-board.A02-05x Memory Address Error (invalid addressor access attempt). 1. Check the BladeCenter management-moduleevent log; if an error was recorded by thesystem, see “POST progress codes(checkpoints)” on page 84.2. If no entry is found, Replace thesystem-board.158 Power Systems: Problem Determination and Service Guide for the IBM Power PS700 (8406-70Y)