ACTIVE STATE POWER MANAGEMENT (ASPM) TO REDUCE POWER CONSUMPTION BY PCI EXPRESS COMPONENTS

Methods and apparatus relating to Active State Power Management (ASPM) to reduce power consumption by PCI express components are described. In one embodiment, a special packet with embedded information triggers entry into a lower power consumption state. The embedded information may include flow con...

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Bibliographische Detailangaben
1. Verfasser:	TEOH, POH THIAM
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CALCULATING CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION ANDCOMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION ANDCOMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THIR OWNENERGY USE COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PHYSICS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	Methods and apparatus relating to Active State Power Management (ASPM) to reduce power consumption by PCI express components are described. In one embodiment, a special packet with embedded information triggers entry into a lower power consumption state. The embedded information may include flow control credit information outstanding between two agents and the target power consumption state. Other embodiments are also disclosed and claimed. L'invention porte sur des procédés et un appareil concernant la gestion de l'alimentation en état actif (ASPM) afin de réduire la consommation d'énergie par des composants PCI Express. Selon un mode de réalisation, un paquet spécial comportant des informations incorporées déclenche le passage dans un état à plus faible consommation d'énergie. Les informations incorporées peuvent comprendre des informations de crédit de commande de flux en cours entre deux agents et l'état de consommation d'énergie cible. D'autres modes de réalisation sont également décrits et revendiqués.