Memory system with flexible replacement units

Details Memory system with flexible replacement units Memory system with flexible replacement units

1981-02-26

1984-06-26

Gruber, Felix D.

Boots, shoes, and leggings

G06B 1100

Patent

active

044569661

ABSTRACT:
A read only memory system with replaceable units is provided in which the replacement units have a variable capacity. In addition, the system is sufficiently flexible so that a replacement unit substituted for an original unit may subsequently be removed from the system once and the original unit restored. The read only memory system has a fixed main read only memory with a plurality of addressable units of uniform capacity in combination with a substitute memory of a greater capacity than the addressable units. A control is provided with the capability of selectively disabling units of a fixed memory. It also can selectively enable a portion of the substitute memory and substitute the enabled portion for a disabled fixed memory unit. The control is also capable of selectively varying the capacity of the substituted enabled unit.

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