| 摘要 |
A portion of a real page address for address conversion and a remaining portion thereof are stored in predetermined areas of first and second memories for storing a control program and control data for controlling a channel apparatus. In order to control the channel apparatus, the first and second memories are independently accessed. In order to generate a DMA address, the first and second memories are simultaneously accessed, and data read out from the first and second memories are linked together to generate a real page address of an DMA-access objective area.
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