Digital Equipment Corporation

J A Kindervater

Frederik Zandveld

A processor in a computer system is connected, together with one or more control units of peripheral apparatus, to the main memory via a main bus. For a very fast processor the storage capacity of the main memory should be so high that the full physical address can no longer be transported via the main bus in one operation. In that case an additional communication line is provided between the processor and the main memory. In order to enable peripheral apparatus to access the entire main memory anyway, a second memory management unit is connected between the main bus and the main memory.

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Apeldoorn, Netherlands

J A Kindervater