Electrical computers and digital data processing systems: input/ – Input/output data processing – Peripheral monitoring
Reexamination Certificate
2008-07-29
2008-07-29
Shin, Christopher B. (Department: 2181)
Electrical computers and digital data processing systems: input/
Input/output data processing
Peripheral monitoring
C324S543000, C714S056000, C713S320000
Reexamination Certificate
active
07406545
ABSTRACT:
An information storage device is disclosed (such as a disk drive) comprising an interface for connecting to a host through a cable, and control circuitry for communicating with the host over the cable by executing a communication process. The communication processes comprises the steps of transmitting a communication request to the host over the cable and waiting to receive a response from the host over the cable. A cable loss event is logged if the host fails to respond after executing the communication process at least twice. Performing the communication process multiple times before logging a cable loss event helps ensure a communication failure is actually due to a faulty cable connection.
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“Serial ATA: High Speed Serialized AT Attachment”, http://www.serialata.org, Jan. 7, 2003, Revision 1.0a, pp. 92-95, 112, 117, 124-128, 157-158, 163-164, 170-171, 181-183.
Abrahamsson Jan G.
Geria Anthony C.
Hill Andrew
McKeefery Donald L.
Rothberg Michael S.
Sheerin, Esq. Howard H.
Shin Christopher B.
Western Digital Technologies Inc.
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