Problem with KB6012 programming

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  • sopik78
    Badcaps Veteran
    • Nov 2013
    • 517
    • Czech Republic

    #1

    Problem with KB6012 programming

    Friends,

    I have a problem with programming KB9012QF on Acer Aspire E1-530 V5WE2 La-9532p motherboard.
    I'm using SAS Vertyanov programmer, so far so good on ITE chips, but as I need read and write on that MB, I get failure message, see on picture.

    As you can see, I have connection with KBC, but no succes with reading.

    All connections seems to be good, MB is powered up, GND attached.

    Anybody can help?
    Attached Files
  • mcplslg123
    Badcaps Legend
    • Jun 2015
    • 7262
    • india

    #2
    Re: Problem with KB6012 programming

    Same problem i'm facing on Acer La-7912 with svod programmer. I used Rt809f for ene in this particular case.

    Comment

    • dspok
      Badcaps Veteran
      • Jan 2014
      • 553
      • Nepal

      #3
      Re: Problem with KB6012 programming

      Some time kb9012 itself is kaput in this case.
      I have programmed couple of kb9012 without any issues if I need to program but I attach cables directly to kb9012.

      Comment

      • khaahk
        Badcaps Veteran
        • Dec 2013
        • 748
        • Estonia

        #4
        Re: Problem with KB6012 programming

        Check connections again. How long leads?
        MB powered up - what exactly do you mean by that?
        Check if 3.3v stable all the time.
        Did you replace the kb9012 or why do you think it needs reprogramming?

        Comment

        • mcplslg123
          Badcaps Legend
          • Jun 2015
          • 7262
          • india

          #5
          Re: Problem with KB6012 programming

          Originally posted by dspok
          Some time kb9012 itself is kaput in this case.
          I have programmed couple of kb9012 without any issues if I need to program but I attach cables directly to kb9012.
          I too have programmed(with svod) many many kb9012 kbc across all major brands but somehow was unable to program it on La-7912p rev 2.0. Kbc was ok as it programmed perfectly with rt809f. Still wondering why

          Comment

          • vedoza
            Member
            • May 2015
            • 37
            • newyork

            #6
            Re: Problem with KB6012 programming

            hİ dEAR
            USE SOLDERİNG WİRE CABLO
            TEST OK
            Last edited by vedoza; 05-21-2018, 10:09 AM.

            Comment

            • Th3_uN1Qu3
              Believe in
              • Jul 2010
              • 6031
              • Romania

              #7
              Re: Problem with KB6012 programming

              On some mainboards KB9012 cannot be programmed in-circuit. I have encountered it myself on DELL VAW00 (Inspiron 3525) board. Removed KB9012 and soldered onto another mainboard and i could program it there.
              Originally posted by PeteS in CA
              Remember that by the time consequences of a short-sighted decision are experienced, the idiot who made the bad decision may have already been promoted or moved on to a better job at another company.
              A working TV? How boring!

              Comment

              • mcplslg123
                Badcaps Legend
                • Jun 2015
                • 7262
                • india

                #8
                Re: Problem with KB6012 programming

                Originally posted by Th3_uN1Qu3
                On some mainboards KB9012 cannot be programmed in-circuit. I have encountered it myself on DELL VAW00 (Inspiron 3525) board. Removed KB9012 and soldered onto another mainboard and i could program it there.
                Learnt something new. never thought about it. that might be the reason for kb9012 refuses to program in couple of mobo's.

                Comment

                • Th3_uN1Qu3
                  Believe in
                  • Jul 2010
                  • 6031
                  • Romania

                  #9
                  Re: Problem with KB6012 programming

                  It is likely due to other components being attached to the pins that also double as the data bus for programming. Since KB9012 does not have a dedicated programming port, the pins are multi function, depending on the board schematic and layout.

                  The other components attached to those pins for the function it normally serves in the mainboard may sometimes steal enough current from the programmer that it does not read or write the flash memory properly.
                  Originally posted by PeteS in CA
                  Remember that by the time consequences of a short-sighted decision are experienced, the idiot who made the bad decision may have already been promoted or moved on to a better job at another company.
                  A working TV? How boring!

                  Comment

                  • mcplslg123
                    Badcaps Legend
                    • Jun 2015
                    • 7262
                    • india

                    #10
                    Re: Problem with KB6012 programming

                    got it. thanks for the explanation.

                    Comment

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