Electrical computers and digital processing systems: memory – Storage accessing and control – Shared memory area
Reexamination Certificate
2002-03-26
2009-06-23
Peugh, Brian R. (Department: 2187)
Electrical computers and digital processing systems: memory
Storage accessing and control
Shared memory area
C710S107000, C710S240000, C718S104000
Reexamination Certificate
active
07552289
ABSTRACT:
An adapter unit operative to support access of an SATA storage device by a plurality of hosts associated with separate host adapters. The adapter unit includes a multiplexer coupled to an arbiter. The multiplexer receives a plurality of sets of communication signals, one signal set for each host adapter. The multiplexer then selects one of the signal sets based on a control signal and couples the selected signal set to its output. The arbiter receives requests from the hosts to access the SATA storage device, selects a particular requesting host, and provides the control signal indicative of the specific host granted access. The host adapter for the granted host and the SATA storage device are placed in a PHY READY power management state, prior to a read or write access, and are placed in a PARTIAL power management state after the read or write access.
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Serial ATA: High Speed Serialized AT Attachment, Rev. 1.0, Aug. 29, 2001. pp. 12, 87-88, 111, 117-124.
Chang Yee-Hsiang Sean
Hoch John Stuart
Rydhan Mohammad Farooq
Bradley Matthew
Peugh Brian R.
Rasilient, Inc.
Venture Pacific Law, P.C.
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