Hp G62 but safina undervolt mod...

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  • Djosla
    Badcaps Veteran
    • Dec 2012
    • 246
    • Montenegro
    #1

    Hp G62 but safina undervolt mod...

    Some of the members asked me to write a tutorial about undervolting rs880 on safina motherboard...Some time ago Th3_uN1Qu3 posted this but for quanta motherboard...I couldn`t find it so if someone has it,post it here,it would be nice for future use...
    Hp g62 came with no image problem...I replaced RS880(215-0752001) chipset and it works fine now...Normal NB core voltage is about 1,125v but i`ve managed to pull it down, messing with feedback circuit of TPS51217, up to 0,92V without loosing stability, by putting 16K resistor in place of PC106(which is not mounted on the board). More can be done,so feel free to experiment...I have made excel calculator for calculating resistor or desired voltage and it is pretty straight forward but if you have any questions feel free to ask...

    Calculator :

    Attached Files
    Last edited by Djosla; 04-09-2017, 05:06 PM.
    Tags: None
    • ala_borbe
      aka Donald
      • Apr 2011
      • 1625
      • Malta
      #2
      Re: Hp G62 but safina undervolt mod...

      as always great work djosla... it sure will be useful
      Im Back... sort of...

        Comment

        • Djosla
          Badcaps Veteran
          • Dec 2012
          • 246
          • Montenegro
          #3
          Re: Hp G62 but safina undervolt mod...

          Thanks...For g62 or cq56 quanta motherboard DAOAX2MB6E1 for same chipset use 4.7kohm instead PC85 to achieve similar voltage...
          For voltage manipulation use Th3_uN1Qu3 calculator...


          Attached Files

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