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

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Power Sequence (DC)


>> Download Power Sequence (DC) documenatation <<

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          5                              4                                 3                       2                       1




                   ON/OFF#
    PWRBTN
                                             t1
    -->EC

    EC-->SB        ON/OFFBTN#                 t2        t3


    EC-->SB        RSMRST#

    SB-->EC        SLP_S5#
D                                                                                                                              D




    +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


    EC-->SB        PM_POK(PWROK)                                      t7
C                                                                                                                              C


                   H_PWRGOOD(VRMPWRGD AND PWROK)




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