| 摘要 |
PROBLEM TO BE SOLVED: To effectively use memories under microprocessors coping with occurrence of a fault in a plurality of microprocessors of a computation processing unit in an information processor. SOLUTION: A microprocessor 3b of a computation processing unit 2b having a data switch control part 8b connected to a data switch control part 8a of a computation processing unit 2a having a microprocessor 3a causing a fault is selected, and the microprocessor 3b substitutively carries out data transfer of memories 4a, 4b, 4c and 4d under the microprocessor 3a causing the fault. When the microprocessor 3b causing no fault substitutively carries out data transfer of the memories 4a, 4b, 4c and 4d under the microprocessor 3a causing the fault, data transfer of the memories 4a, 4b, 4c and 4d under the microprocessor 3a causing the fault can be carried out without requiring redundant arrangement of a special spare processor card or a spare computation processing unit. COPYRIGHT: (C)2009,JPO&INPIT
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