Adaptable cache for disc drive
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 20, 2004
Grant Date -
N/A
app pub date -
Aug 25, 2000
filing date -
Aug 27, 1999
priority date (Note) -
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status (Latency Note)
Importance
Abstract
According to one embodiment of the present invention a disc controller in a disc drive includes a cache memory and a control circuit. The control circuit is configured to identify an operating system of a host computer coupled to the disc drive, select a segmentation level for the cache memory based on the identified operating system, and store information in the cache memory according to the segmentation level. According to another embodiment of the present invention a cache memory in a disc drive is operated by identifying an operating system of a host computer coupled to the disc drive, selecting a segmentation level for the cache memory based on the identified operating system, and storing information in the cache memory according to the segmentation level. The operating system is identified by reading a partition type from a master boot record stored in a disc in the disc drive.
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