Power save module for storage controllers
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United States of America Patent
Stats
-
Jun 10, 2008
Grant Date -
Apr 13, 2006
app pub date -
Oct 13, 2004
filing date -
Oct 13, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and system using a storage controller for transferring data between a storage device and a host system is provided. The storage controller includes, a power save module that is enabled in a power save mode after a receive logic in the storage controller has processed all frames and during the power save mode at least a clock is turned off to save power while a clock for operating the receive logic is kept on to process any unsolicited frames that may be received by the receive logic. The storage controller operates in a single frame mode during the power save mode to process any unsolicited frames. Setting a bit in a configuration register for a processor enables the power save mode. The power save mode is enabled after a memory controller is in a self-refresh mode.
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