SAS controller with persistent port configuration

An apparatus and method are disclosed for maintaining consistent port and PHY configuration information in an SAS controller when connected SAS devices are rebooted, reset or otherwise temporarily disconnected. Configuration information is stored in non-volatile memory, and restored by a methodology...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Parry, Owen, Besmer, Brad D, Wang, Ming-Jen
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An apparatus and method are disclosed for maintaining consistent port and PHY configuration information in an SAS controller when connected SAS devices are rebooted, reset or otherwise temporarily disconnected. Configuration information is stored in non-volatile memory, and restored by a methodology to prevent port conflicts.