DE69533762D1 - Leistungssteuerungseinheit für Computersystem - Google Patents

Leistungssteuerungseinheit für Computersystem

Info

Publication number
DE69533762D1
DE69533762D1 DE69533762T DE69533762T DE69533762D1 DE 69533762 D1 DE69533762 D1 DE 69533762D1 DE 69533762 T DE69533762 T DE 69533762T DE 69533762 T DE69533762 T DE 69533762T DE 69533762 D1 DE69533762 D1 DE 69533762D1
Authority
DE
Germany
Prior art keywords
power management
management unit
power
clock signal
state
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69533762T
Other languages
English (en)
Other versions
DE69533762T2 (de
Inventor
Michael T Wisor
Rita M O'brien
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Advanced Micro Devices Inc
Original Assignee
Advanced Micro Devices Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Publication of DE69533762D1 publication Critical patent/DE69533762D1/de
Application granted granted Critical
Publication of DE69533762T2 publication Critical patent/DE69533762T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/324—Power saving characterised by the action undertaken by lowering clock frequency
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/325—Power saving in peripheral device
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Sources (AREA)
  • Stereophonic System (AREA)
  • Prostheses (AREA)
  • Selective Calling Equipment (AREA)
DE69533762T 1994-02-02 1995-01-25 Leistungssteuerungseinheit für Computersystem Expired - Lifetime DE69533762T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US190279 1994-02-02
US08/190,279 US5504910A (en) 1994-02-02 1994-02-02 Power management unit including software configurable state register and time-out counters for protecting against misbehaved software

Publications (2)

Publication Number Publication Date
DE69533762D1 true DE69533762D1 (de) 2004-12-23
DE69533762T2 DE69533762T2 (de) 2005-11-10

Family

ID=22700684

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69533762T Expired - Lifetime DE69533762T2 (de) 1994-02-02 1995-01-25 Leistungssteuerungseinheit für Computersystem

Country Status (5)

Country Link
US (1) US5504910A (de)
EP (1) EP0666527B1 (de)
JP (1) JP3651945B2 (de)
AT (1) ATE282853T1 (de)
DE (1) DE69533762T2 (de)

Families Citing this family (58)

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US5752050A (en) * 1994-10-04 1998-05-12 Intel Corporation Method and apparatus for managing power consumption of external devices for personal computers using a power management coordinator
US6192479B1 (en) * 1995-01-19 2001-02-20 Texas Instruments Incorporated Data processing with progressive, adaptive, CPU-driven power management
US5758171A (en) * 1995-07-05 1998-05-26 Cirrus Logic, Inc. Apparatus and method for reading back socket power status information
US5696952A (en) * 1995-08-03 1997-12-09 Pontarelli; Mark C. Dynamic speed switching software for power management
US5638541A (en) * 1995-08-25 1997-06-10 Intel Corporation System and method for managing power on desktop systems
US5652894A (en) * 1995-09-29 1997-07-29 Intel Corporation Method and apparatus for providing power saving modes to a pipelined processor
US5708819A (en) * 1995-10-10 1998-01-13 Standard Microsystems Corporation Process and apparatus for generating power management events in a computer system
DE19541651C1 (de) * 1995-11-08 1997-01-30 Siemens Nixdorf Inf Syst Schnelleinschaltungsverfahren
US5784627A (en) * 1996-01-24 1998-07-21 Advanced Micro Devices, Inc. Integrated timer for power management and watchdog functions
US5732281A (en) * 1996-02-08 1998-03-24 Ncr Corporation Programmable power management circuit for a power supply in a computer system
US5862394A (en) * 1996-03-21 1999-01-19 Texas Instruments Incorporated Electronic apparatus having a software controlled power switch
US5654509A (en) * 1996-05-08 1997-08-05 Hewlett-Packard Company Control system that distinguishes between imaging and nonimaging environments in an ultrasound system
US5953536A (en) * 1996-09-30 1999-09-14 Intel Corporation Software-implemented tool for monitoring power management in a computer system
US5881297A (en) * 1996-12-31 1999-03-09 Intel Corporation Apparatus and method for controlling clocking frequency in an integrated circuit
JP3179363B2 (ja) * 1997-04-18 2001-06-25 日本電気株式会社 回路設計方法及び記憶媒体
JP3961619B2 (ja) * 1997-06-03 2007-08-22 株式会社東芝 コンピュータシステムおよびその処理速度制御方法
US5925134A (en) * 1997-09-30 1999-07-20 Intel Corporation Method and apparatus for power management
US6216187B1 (en) 1997-12-01 2001-04-10 Toshiba America Information Systems, Inc. System for powering down a portable computer in a docking station
EP0991992B1 (de) * 1998-03-27 2004-02-11 Koninklijke Philips Electronics N.V. Schaltung für datenträger zum reduzieren von stromverbrauch
US6215764B1 (en) * 1998-06-04 2001-04-10 Silicon Integrated Systems Corp. Method and apparatus for detecting the network link status of computer systems
US6212645B1 (en) * 1998-10-09 2001-04-03 Mediaq Inc. Programmable and flexible power management unit
US6088806A (en) * 1998-10-20 2000-07-11 Seiko Epson Corporation Apparatus and method with improved power-down mode
US6298448B1 (en) 1998-12-21 2001-10-02 Siemens Information And Communication Networks, Inc. Apparatus and method for automatic CPU speed control based on application-specific criteria
US6510525B1 (en) * 1999-04-26 2003-01-21 Mediaq, Inc. Method and apparatus to power up an integrated device from a low power state
EP1085396A1 (de) * 1999-09-17 2001-03-21 Hewlett-Packard Company Betrieb von gesicherten Zustand in einer Computerplattform
US7100061B2 (en) * 2000-01-18 2006-08-29 Transmeta Corporation Adaptive power control
US6684341B1 (en) 2000-03-09 2004-01-27 International Business Machines Corporation Method of altering the appearance of an icon of a program to provide an indication to a user that a power management is associated with the particular program
GB2376763B (en) * 2001-06-19 2004-12-15 Hewlett Packard Co Demonstrating integrity of a compartment of a compartmented operating system
GB0102518D0 (en) * 2001-01-31 2001-03-21 Hewlett Packard Co Trusted operating system
GB0102516D0 (en) * 2001-01-31 2001-03-21 Hewlett Packard Co Trusted gateway system
GB2372592B (en) 2001-02-23 2005-03-30 Hewlett Packard Co Information system
GB2372595A (en) * 2001-02-23 2002-08-28 Hewlett Packard Co Method of and apparatus for ascertaining the status of a data processing environment.
US7058834B2 (en) * 2001-04-26 2006-06-06 Paul Richard Woods Scan-based state save and restore method and system for inactive state power reduction
GB2376762A (en) * 2001-06-19 2002-12-24 Hewlett Packard Co Renting a computing environment on a trusted computing platform
GB2376764B (en) * 2001-06-19 2004-12-29 Hewlett Packard Co Multiple trusted computing environments
GB0114898D0 (en) * 2001-06-19 2001-08-08 Hewlett Packard Co Interaction with electronic services and markets
GB2378013A (en) * 2001-07-27 2003-01-29 Hewlett Packard Co Trusted computer platform audit system
US20030079152A1 (en) * 2001-08-14 2003-04-24 Triece Joseph W. Microprocessor with multiple low power modes and emulation apparatus for said microprocessor
GB2382419B (en) * 2001-11-22 2005-12-14 Hewlett Packard Co Apparatus and method for creating a trusted environment
US8645954B2 (en) * 2001-12-13 2014-02-04 Intel Corporation Computing system capable of reducing power consumption by distributing execution of instruction across multiple processors and method therefore
US7093153B1 (en) 2002-10-30 2006-08-15 Advanced Micro Devices, Inc. Method and apparatus for lowering bus clock frequency in a complex integrated data processing system
FR2853776B1 (fr) * 2003-04-09 2006-04-21 Alstom Procede et systeme de commande d'urgence de la commutation d'un transistor de puissance
US7080269B2 (en) * 2003-05-15 2006-07-18 International Business Machines Corporation Method and apparatus for implementing power-saving sleep mode in design with multiple clock domains
EP1596270A1 (de) 2004-05-10 2005-11-16 Dialog Semiconductor GmbH Mikrokontroller gesteuerter Leistungsverwaltungschip
US7337335B2 (en) * 2004-12-21 2008-02-26 Packet Digital Method and apparatus for on-demand power management
US7228446B2 (en) 2004-12-21 2007-06-05 Packet Digital Method and apparatus for on-demand power management
US7395443B1 (en) 2004-12-28 2008-07-01 Advanced Micro Devices, Inc. Integrated circuit with a hibernate mode and method therefor
EP2194476B1 (de) 2005-03-22 2014-12-03 Hewlett-Packard Development Company, L.P. Verfahren und Vorrichtung zur Erzeugung einer Aufzeichnung einer Softwareüberprüfungsbescheinigung
US7418605B1 (en) * 2005-04-13 2008-08-26 Advanced Micro Devices, Inc. System for controlling power to sequential and combinatorial logic circuitry in an integrated circuit
JP2009508362A (ja) * 2005-05-10 2009-02-26 エヌエックスピー ビー ヴィ 非同期デジタル回路用スリープ・ウォッチドッグ回路
WO2009047664A1 (en) * 2007-10-09 2009-04-16 St Wireless Sa Non-recursive adaptive filter for predicting the mean processing performance of a complex system´s processing core
US8667319B2 (en) 2007-10-30 2014-03-04 Synopsys, Inc. System and method for clock control for power-state transitions
KR101452958B1 (ko) 2008-03-28 2014-10-22 삼성전자주식회사 전력 조절 집적 회로를 포함하는 반도체 장치
JP5586924B2 (ja) * 2009-11-24 2014-09-10 キヤノン株式会社 画像形成装置
GB2476650A (en) * 2009-12-30 2011-07-06 1E Ltd Computer which enters a low power state when there is no user activity and no process requiring a high power state
US9395799B2 (en) 2012-08-09 2016-07-19 Nvidia Corporation Power management techniques for USB interfaces
US9785217B2 (en) * 2012-09-28 2017-10-10 Synaptics Incorporated System and method for low power input object detection and interaction
US9760150B2 (en) 2012-11-27 2017-09-12 Nvidia Corporation Low-power states for a computer system with integrated baseband

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US4317180A (en) * 1979-12-26 1982-02-23 Texas Instruments Incorporated Clocked logic low power standby mode
JPS60198618A (ja) * 1984-03-21 1985-10-08 Oki Electric Ind Co Ltd ダイナミツク論理回路
US5086387A (en) * 1986-01-17 1992-02-04 International Business Machines Corporation Multi-frequency clock generation with low state coincidence upon latching
US4665536A (en) * 1986-03-10 1987-05-12 Burroughs Corporation Programmable automatic power-off system for a digital terminal
US5163153A (en) * 1989-06-12 1992-11-10 Grid Systems Corporation Low-power, standby mode computer
US5222239A (en) * 1989-07-28 1993-06-22 Prof. Michael H. Davis Process and apparatus for reducing power usage microprocessor devices operating from stored energy sources
AU629019B2 (en) * 1989-09-08 1992-09-24 Apple Computer, Inc. Power management for a laptop computer
US5167024A (en) * 1989-09-08 1992-11-24 Apple Computer, Inc. Power management for a laptop computer with slow and sleep modes
US5218704A (en) * 1989-10-30 1993-06-08 Texas Instruments Real-time power conservation for portable computers
JP3193039B2 (ja) * 1990-11-20 2001-07-30 キヤノン株式会社 電子装置及び情報処理方法
WO1992021081A1 (en) * 1991-05-17 1992-11-26 Zenith Data Systems Corporation Suspend/resume capability for a protected mode microprocessor and hard disk, and idle mode implementation
US5369771A (en) * 1991-12-23 1994-11-29 Dell U.S.A., L.P. Computer with transparent power-saving manipulation of CPU clock

Also Published As

Publication number Publication date
DE69533762T2 (de) 2005-11-10
US5504910A (en) 1996-04-02
JPH0836445A (ja) 1996-02-06
EP0666527B1 (de) 2004-11-17
JP3651945B2 (ja) 2005-05-25
ATE282853T1 (de) 2004-12-15
EP0666527A1 (de) 1995-08-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition