| 摘要 |
A system controller which controls a plurality of storage devices comprises a unit which divides data of processor bus width from a processor into a plurality of divided data, a first transfer unit which simultaneously transfers the divided plurality of divided data to the plurality of storage devices distributing them, a second transfer unit which time divides the divided plurality of divided data and sequentially transfers them to the same storage device, and a mode control unit which operates either the first transfer unit or the second transfer unit.
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