Electrical computers and digital data processing systems: input/ – Input/output data processing – Direct memory accessing
Reexamination Certificate
2007-06-12
2007-06-12
Sparks, Donald (Department: 2181)
Electrical computers and digital data processing systems: input/
Input/output data processing
Direct memory accessing
C710S055000, C710S303000, C710S316000, C709S212000, C709S213000, C370S351000, C370S352000, C370S354000, C370S355000, C370S356000, C370S362000, C370S363000, C370S364000, C370S368000, C370S367000, C370S369000
Reexamination Certificate
active
10826471
ABSTRACT:
A disk controller has a channel adapter having a connection interface to a host computer or a disk drive; a memory adapter for temporarily storing data to be transferred between the host computer and disk drive; a processor adapter for controlling operations of the channel adapter and memory adapter; and a switch adapter for configuring an inner network by interconnecting the channel adapter, memory adapter and processor adapter, wherein the channel adapter, memory adapter, processor adapter and switch adapter each include a DMA controller for performing a communication protocol control of the inner network; and packet multiplex communication is performed among the DMA controllers provided in the adapters. The disk controller can realize a high transfer efficiency and a low cost while retaining a high reliability.
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Fujimoto Kazuhisa
Hosoya Mutsumi
Inoue Yasuo
Nakamura Shuji
Watanabe Naoki
Mattingly ,Stanger ,Malur & Brundidge, P.C.
Patel Niketa
Sparks Donald
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