Method and apparatus for automatic memory configuration by a com

Details Method and apparatus for automatic memory configuration by a com Method and apparatus for automatic memory configuration by a com

1989-01-24

1992-07-07

Fears, Terrell W.

395425, G06F 1200, G06F 1300

Patent

active

051290693

ABSTRACT:
A memory system includes a memory unit with plural addressable storage locations, a connector arrangement for detachably electrically coupling the memory unit to a computer, and a decoding arrangement for determining whether a computer memory address is within a range of addresses to which the memory unit is to respond, the decoding arrangement including a base address register storing a value representing the first address in the range and a size register defining the number of addresses in the range. A method by which a computer can automatically configure this system includes the steps of determining a base address to be associated with the connector, loading into the base address register a value representing the base address, loading into the size register a value representing the maximum range of addresses, thereafter selectively accessing storage locations to determine the actual number of contiguous locations in the memory unit, and then changing the size register, when the actual number of locations is less than the maximum range of addresses, to a value representing the actual number of locations.

REFERENCES:
patent: Re31318 (1983-07-01), Kaufman et al.
patent: 3781812 (1973-12-01), Wymore et al.
patent: 3815103 (1974-06-01), Holtey et al.

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