Service Manuals, User Guides, Schematic Diagrams or docs for : HP Power Sequence (AC)

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Power Sequence (AC)


>> Download Power Sequence (AC) documenatation <<

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        5                              4                                 3                        2                    1




    PWRBTN
    -->EC          ON/OFF#                 t1


D
    EC-->SB        ON/OFFBTN#               t2        t3                                                                   D




    EC-->SB        RSMRST#

    SB-->EC        SLP_S5#

    +1.8V

    SB-->EC        SLP_S4#                                                   t4


    SB-->EC        SLP_S3#                                     t5
                   +2.5VSP /+3VS /+5VS /+1.5VSP
                   /+1.05V_VCCP /+0.9VSP
    POK circuit
    -->EC          PWR_GD

    EC-->NB        +VDD_CORE(VCORE)

    EC-->Power     VGATE_INTEL(VRMPWRGD)                            t6
C                                                                                                                          C




    EC-->SB        PM_POK(PWROK)                                    t7


                   H_PWRGOOD(VRMPWRGD AND PWROK)




                  Description                   Item        Min              Typical    Max           Note
            User press power button
                                                 t1         ---               ---       ---       User Define
            User Press power bottun
B
            to ICH PWRBTN#                       t2         ---               ---       ---       HW delay--> 100K & 1uF   B




            ICH7-M internal
            de-bounce                            t3         ---               16ms      ---
            SLP_S4# active to
            SLP_S5# active                       t4        1 RTCCLK                    2 RTCCLK   RTCCLK = 32us
            SLP_S3# active to
            SLP_S4# active                       t5        1 RTCCLK                    2 RTCCLK   RTCCLK = 32us
            SLP_S3# active to
            VRMPWRGD inactive                    t6         0ms               ---       ---
            SLP_S3# active to
            PWROK inactive                       t7         0ms               ---       ---




A                                                                                                                          A




        5                              4                                 3                        2                    1



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