Hierarchically pairing memory blocks based upon relative storage

Details Hierarchically pairing memory blocks based upon relative storage Hierarchically pairing memory blocks based upon relative storage

1990-05-31

1993-08-31

Harrell, Robert B.

Boots, shoes, and leggings

395800, 3649662, 3649664, 36496434, 36496433, 364DIG2, G06F 1200, G06F 1208

Patent

active

052416631

ABSTRACT:
An automatic memory sizer for a digital video recorder is provided. The sizer in accordance with the present invention automatically examines and configures available memory space for efficient storage of digital video information regardless of whether the memory consists of similar devices and/or storage capacities. By checking for selectively placed conductive jumpers on the circuit boards containing the memory devices, or by systematically writing test data into and reading it back out of the memory devices, the sizer in accordance with the present invention automatically determines the presence or absence of available memory assemblies and their respective relative data storage capacities. The sizer then establishes a hierarchy of available memory assemblies for pairing portions thereof based upon their respective relative data storage capacities, creates a memory address allocation table based upon such pairings for efficient accessing thereof, and writes incoming video data into the memory assemblies according to the allocation table.

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