Storage control device and control device for detecting abnormality of signal line
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United States of America Patent
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May 9, 2017
Grant Date -
Jan 15, 2015
app pub date -
Jun 24, 2014
filing date -
Jul 9, 2013
priority date (Note) -
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Abstract
A controller module (CM) includes buffers that feed back signals output using respective signal lines used for mutual communication with other CM, and a first detecting unit and a second detecting unit that detect abnormality such that the levels of the signals output using the signal lines do not change from respective specific levels when each level of the fed-back signals does not coincide with an expected level being a level previously determined according to a predetermined timing.
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