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ACPI S2 and S3 different???

Discussion in 'Electronic Basics' started by boki, Sep 17, 2004.

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  1. boki

    boki Guest

    Dear All:

    For ACPI S2 and S3:

    Sleep states. In these states, memory contexts are held but CPU
    contexts are lost. The differences between S2 and S3 are in CPU
    re-initialization done by firmware and device re-initialization.

    For Windows XP / SP1 / SP2 or other Microsoft OS:

    We can only use
    S0, {S2, S3} , S4, S5
    S0: Full speed
    S4: Save RAM to disk.
    S5: Turn off

    Q1:
    Which mode is the WINDOWS XP "stand by" mode ?

    Q2:
    Can we control S2/S3? or controlled by device/firmware?
    Could you please describe more detail about S2 and S3 mode ?


    Thank you very much for your help.

    Best regards,
    Boki.
     
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