Zenith Data Systems Corporation

Steve L Belt

Robert A Kohtz

An improved means and method for expanded memory system access and control is disclosed. A logic array in the expanded memory control circuitry which accesses and controls up to two separate expansion boards through the use of static random access memory as register circuits and octal buffers for addressing. The control and access method implemented through a state machine in the logic array provides the operation of the improved expanded memory system to control additional expansion boards and to access the appropriate memory locations.

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St. Joseph, MI, United States of America

Steve L Belt