Disble IvyBridge VCC_GFX SVID comunication to power ic

Discussion in 'PC Hardware' started by relax79, Oct 20, 2016.

  1. relax79

    relax79 MDL Novice

    Dec 16, 2012
    #1 relax79, Oct 20, 2016
    Last edited: Oct 20, 2016
    Hello friends, sorry for my poor English. I have a customers Sony SVE151 series DA0HK5MB6F0 MBX-269 motherboard notebook and some repairman badly operations done before notebook come to me. I am decide to remove GPU because solder pads missing , then examine to schematic and I made all the necessary changes for converting uma graphics. Discrete bios cause 2 - 3 seconds to shutdown, UMA bios cause 10 - 15 seconds to shutdown.No screen .I am reball HM76 (SLJ8E) but nothing change

    " Fix Auto Shutdown when switching DIS to UMA test ok Attached Files: Sony MBX-269 fix ok.BIN.zip"

    this file in some sites but I can not get it. Someone already fix but I do not get the file because Paypal all operations stop 06.06.2016 in Turkey.
    I am connect old gpu s power to cpu s VCC_GFX line and I suspect CPU (SR0TX IvyBridge) request something to ISL95835 but no get answer then shutdown because motherboard VCC_GFX disable (tied 5v) already for discrete ATI gpu.
    Can someone disable VCC_GFX SVID comm to ISL ic or all svid comm if it is neccessary. I must try something.
    I do not add any link but I extract with uniextract and 7-zip these bioses and ı need firstly mod for uma one.Thanks.

    SVE15125CXW uma\ISBSYS-00295580-1082\TEMPEXEFOLDER\EP0000295580\R0180D5.ROM more important
    SVE1511CFXS dis\ISBSYS-80278104-1082\TEMPEXEFOLDER\EP0000278104\R0200E5.ROM less important

    Attached Files: