Removable mother/daughter peripheral card
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United States of America Patent
Stats
-
Jul 24, 2001
Grant Date -
N/A
app pub date -
Feb 1, 1999
filing date -
Sep 1, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A peripheral card having a Personal Computer ('PC') card form factor and removably coupled externally to a host system is further partitioned into a mother card portion and a daughter card portion. The daughter card is removably coupled to the mother card. In the preferred embodiment, a low cost flash 'floppy' is accomplished with the daughter card containing only flash EEPROM chips and being controlled by a memory controller residing on the mother card. Other aspects of the invention includes a comprehensive controller on the mother card able to control a predefined set of peripherals on daughter cards connectable to the mother card; relocation of some host resident hardware to the mother card to allow for a minimal host system; a mother card that can accommodate multiple daughter cards; daughter cards that also operates directly with hosts having embedded controllers; daughter cards carrying encoded data and information for decoding it; and daughter cards with security features.
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