| 摘要 |
A first address conversion table stores first address data corresponding to a receiving buffer in a main memory from among address data stored in a page table. A second address conversion table stores second address data corresponding to an area other than the receiving buffer area in the main memory from among the address data stored in the page table. An address-conversion-request determining unit determines whether an address conversion request is for the receiving buffer area. An address converting unit converts the address based on a result of determination by the address-conversion-request determining unit.
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