Static information storage and retrieval – Magnetic bubbles – Guide structure
Patent
1992-02-19
1992-09-15
Fleming, Michael R.
Static information storage and retrieval
Magnetic bubbles
Guide structure
365222, G11C 1400
Patent
active
051485460
ABSTRACT:
A system and method for minimizing power consumption in personal computers and for controlling the power requirements of a random access memory based upon the actual RAM requirements of given software application. Using this method and system, a predetermined number of rows of RAM storage capacity may be refreshed at any given time and at a controlled refresh frequency after a central processing unit has read a given software program to determine its data storage requirements. A novel RAM control system is connected between the output of the central processing unit and one or more inputs to the RAM storage stage and is operative in a novel manner to generate RAM row refresh signals to only a selected number of rows of memory cells within the random access memory stage.
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MacIntosh/MacIntosh SE, 1987, pp. 111, 170, Apple Computer Inc. (Manual).
Bethurum William J.
Fleming Michael R.
Knoll C.
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