DE19882269T1 - Automatisches Übergehen zwischen ACPI-C3- und -C2-Zuständen - Google Patents

Automatisches Übergehen zwischen ACPI-C3- und -C2-Zuständen

Info

Publication number
DE19882269T1
DE19882269T1 DE19882269T DE19882269T DE19882269T1 DE 19882269 T1 DE19882269 T1 DE 19882269T1 DE 19882269 T DE19882269 T DE 19882269T DE 19882269 T DE19882269 T DE 19882269T DE 19882269 T1 DE19882269 T1 DE 19882269T1
Authority
DE
Germany
Prior art keywords
acpi
states
automatic transition
transition
automatic
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.)
Withdrawn
Application number
DE19882269T
Other languages
English (en)
Inventor
David Poisner
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.)
Intel Corp
Original Assignee
Intel Corp
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 Intel Corp filed Critical Intel Corp
Publication of DE19882269T1 publication Critical patent/DE19882269T1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3215—Monitoring of peripheral devices
    • G06F1/3225—Monitoring of peripheral devices of memory devices
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0806—Multiuser, multiprocessor or multiprocessing cache systems
    • G06F12/0815—Cache consistency protocols
    • G06F12/0831—Cache consistency protocols using a bus scheme, e.g. with bus monitoring or watching means

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
DE19882269T 1997-03-31 1998-02-02 Automatisches Übergehen zwischen ACPI-C3- und -C2-Zuständen Withdrawn DE19882269T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83147297A 1997-03-31 1997-03-31
PCT/US1998/001907 WO1998044405A1 (en) 1997-03-31 1998-02-02 Automatic transitioning between acpi c3 and c2 states

Publications (1)

Publication Number Publication Date
DE19882269T1 true DE19882269T1 (de) 2000-05-11

Family

ID=25259141

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19882269T Withdrawn DE19882269T1 (de) 1997-03-31 1998-02-02 Automatisches Übergehen zwischen ACPI-C3- und -C2-Zuständen

Country Status (4)

Country Link
AU (1) AU6140098A (de)
DE (1) DE19882269T1 (de)
GB (1) GB2338806A (de)
WO (1) WO1998044405A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG65097A1 (en) * 1998-12-28 2001-08-21 Compaq Computer Corp Break event generation during transitions between modes of operation in a computer system
US6633987B2 (en) * 2000-03-24 2003-10-14 Intel Corporation Method and apparatus to implement the ACPI(advanced configuration and power interface) C3 state in a RDRAM based system
US6725384B1 (en) * 2000-06-30 2004-04-20 Intel Corporation Method and apparatus for enabling a wake-up event by modifying a second register to enable a second wake-up event responsive to detecting entry of data in a first register
US20030163745A1 (en) * 2002-02-27 2003-08-28 Kardach James P. Method to reduce power in a computer system with bus master devices
WO2004063915A2 (en) * 2003-01-13 2004-07-29 Arm Limited Data processing performance control
KR100563691B1 (ko) 2003-06-09 2006-03-28 엘지전자 주식회사 컴퓨터 시스템에서의 전원 관리장치 및 방법
GB2403561A (en) * 2003-07-02 2005-01-05 Advanced Risc Mach Ltd Power control within a coherent multi-processor system
US7363523B2 (en) 2004-08-31 2008-04-22 Intel Corporation Method and apparatus for controlling power management state transitions
US7664970B2 (en) 2005-12-30 2010-02-16 Intel Corporation Method and apparatus for a zero voltage processor sleep state
US7412570B2 (en) 2005-11-15 2008-08-12 Sun Microsystems, Inc. Small and power-efficient cache that can provide data for background DNA devices while the processor is in a low-power state
US7516274B2 (en) 2005-11-15 2009-04-07 Sun Microsystems, Inc. Power conservation via DRAM access reduction
US7934054B1 (en) 2005-11-15 2011-04-26 Oracle America, Inc. Re-fetching cache memory enabling alternative operational modes
US7958312B2 (en) * 2005-11-15 2011-06-07 Oracle America, Inc. Small and power-efficient cache that can provide data for background DMA devices while the processor is in a low-power state
US7873788B1 (en) 2005-11-15 2011-01-18 Oracle America, Inc. Re-fetching cache memory having coherent re-fetching
CN100377041C (zh) * 2005-12-02 2008-03-26 威盛电子股份有限公司 多处理器系统的电源管理装置及方法
CN100397301C (zh) * 2006-01-09 2008-06-25 威盛电子股份有限公司 中央处理器的省电方法
TW200727127A (en) 2006-01-12 2007-07-16 Via Tech Inc Central processing unit power saving method and system
CN100397302C (zh) * 2006-01-17 2008-06-25 威盛电子股份有限公司 中央处理单元的省电方法及系统
CN100380282C (zh) * 2006-03-02 2008-04-09 威盛电子股份有限公司 中央处理单元的节省电源方法及系统
TWI326817B (en) * 2006-07-07 2010-07-01 Via Tech Inc A power saving method and a system thereof applied to a cpu
US9207747B2 (en) * 2012-10-24 2015-12-08 Insyde Software Corp. Method and device for advanced configuration and power interface (ACPI) sleep-state support using CPU-only reset
US9710041B2 (en) * 2015-07-29 2017-07-18 Intel Corporation Masking a power state of a core of a processor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69033149T2 (de) * 1989-06-30 1999-11-18 Fujitsu Personal Systems, Inc. Taktsystem
GB2260631B (en) * 1991-10-17 1995-06-28 Intel Corp Microprocessor 2X core design
US5615376A (en) * 1994-08-03 1997-03-25 Neomagic Corp. Clock management for power reduction in a video display sub-system
US5669003A (en) * 1994-12-23 1997-09-16 Intel Corporation Method of monitoring system bus traffic by a CPU operating with reduced power
US5713029A (en) * 1995-09-29 1998-01-27 International Business Machines Corporation Information handling system including doze mode control
US5740454A (en) * 1995-12-20 1998-04-14 Compaq Computer Corporation Circuit for setting computer system bus signals to predetermined states in low power mode
US5721935A (en) * 1995-12-20 1998-02-24 Compaq Computer Corporation Apparatus and method for entering low power mode in a computer system

Also Published As

Publication number Publication date
AU6140098A (en) 1998-10-22
WO1998044405A1 (en) 1998-10-08
GB9922090D0 (en) 1999-11-17
GB2338806A (en) 1999-12-29

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8139 Disposal/non-payment of the annual fee
8607 Notification of search results after publication