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    #1

    satellite c55dt-a5305

    hi guys,

    the unit has no power with ALW signals present, 3.3v power switch present

    Looking for schematic of this laptop and BIOS dump. pls include NPCE985LA0DX SIO chip datasheet if available.

    thanks

    uploaded bios dump. does anyone has this bios file?
    Attached Files
    Last edited by fddizon; 04-18-2015, 11:34 PM.
    Tags: None
    #2
    Re: satellite c55dt-a5305

    here you go
    Attached Files
    Im Back... sort of...

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      #3
      Re: satellite c55dt-a5305

      thanks... will do this tonight. will update you the laptop status.

      Comment

        #4
        Re: satellite c55dt-a5305

        reflashed bios - the same symptoms.
        anyone encountered this issue?

        please share schematic if you have one thanks

        no rmsrst
        no pltrst
        .64 volts on pin3 of bios -

        Comment

          #5
          Re: satellite c55dt-a5305

          Find the first qfn chip near charging port.
          We can start from there and see if it gives 3.3v
          Just cook it! It's already broken.

          Comment

            #6
            Re: satellite c55dt-a5305

            3.3 volts present on charging pins

            SIO does not produce RSMRST and PLTRST
            board has no dedicated pch chip nor dedicated gpu

            only processor that has them all in it sodered on the mobo just a bga chip

            already tried reflowing the processor to no avail. (dont have a bga machine)
            Last edited by fddizon; 04-25-2015, 03:17 AM.

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