REDUCED-POWER SLEEP STATE S3

Current computer systems support sleep states such as sleep state S3 and sleep state S4. A system in sleep state S3 utilizes more power than one in sleep state S4, however, a system in sleep state S3 can resume function substantially faster than a system in sleep state S4. An idle system is often pu...

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Bibliographische Detailangaben
Hauptverfasser:	ZHENG XIAO GANG, SO MING L
Format:	Patent
Sprache:	eng
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:	Current computer systems support sleep states such as sleep state S3 and sleep state S4. A system in sleep state S3 utilizes more power than one in sleep state S4, however, a system in sleep state S3 can resume function substantially faster than a system in sleep state S4. An idle system is often put into sleep state S3 rather than sleep state S4 because of the shorter resume time even though sleep state S3 utilizes more power. Embodiments include a reduced-power sleep state S3 that uses less power than sleep state S3 yet resumes function faster than sleep state S4. Embodiments reduce the power consumed by compressing and consolidating system context to fewer memory modules, and powering down unused memory modules. Embodiments thus avoid storing system content to non-volatile memory. Embodiments include waking the system by restoring system context in the reverse order to respective memory modules.