4GHz+ Overclock i7 4xxxxmq/h to i7 extreme conversion Intel Haswell CPU Microcode bug hack

Discussion in 'Notebook Dummy Guide Articles' started by tpro, Apr 3, 2016.

  1. James D

    James D Notebook Prophet

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    WOW! How come this topic hasn't been stickied yet?
     
  2. TheReciever

    TheReciever Notebook Evangelist

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    Fear of lawsuits I think
     
  3. Helden57

    Helden57 Newbie

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    So, i cannot go up than 4.2, 4.1 4.1 4.1 and + 77mv offset voltage core. my cpu suck 58,3W maximum so, if i understand, the rest of my laptop would suck 81,7W ?

    my DVD drive, dedicated graphic card, bluetoooth are disabled, i can unplug then to save some W but not sure it it's work, well my overclock is engought now, no need more but i think it's possible :) share your work dude this tips able you to make a gamer pc for low $ just with a good overclocking.

    EDIT :
    I've found a way to enable the powerCut, just click on the checkbox to enable it, quit FIVR and re-open it, set your processor offset voltage to a low value to make a crash, let your laptop restart, reopen throttlestop and you're done ! You can now overpass your tdp limit, i'm currently running @4.2Ghz, just amazing !

    Note : I've added a fan on my MSI GP70 2PE, the temp drop a lot :D it's noisy but i prefer perfs ;)

    https://valid.x86.fr/x4jaiu
     
    Last edited: Nov 24, 2017
  4. James D

    James D Notebook Prophet

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    Could someone share v.0 and v.1 microcodes for bios mod?
     
  5. Helden57

    Helden57 Newbie

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    http://www.majorgeeks.com/mg/getmirror/uefi_bios_updater,1.html

    download UBU tool, extract on a folder, download your original bios from your constructor website, extract your bios in the UBU tool folder, run UBU.bat, press 7 (update microcode), press 1 , 1 again, after it's done just press 0 (exit) and 1 (mod_XX_BIOS_XX.XXX), rename this bios in a simple name like b.XXX (XXX is the file extension of your bios), download rufus here : https://rufus.akeo.ie/downloads/ (last version), run it, plug an usb key, format it (file system EXFAT/FAT16/FAT32, operating system MSDOS), download AFUDOS here https://ami.com/en/download-license...IOS_and_Aptio_AMI_Firmware_Update_Utility.zip, extract all file on your usb key WITH YOUR BIOS MODDED FILE !

    Reboot your laptop on your usb key, and type AFUDOS b.XXX /GAN

    replace b.XXX by your moded bios file name

    /!\ Be carefull, the size of your new modded bios must match with the old ! the program check it for you.

    Cross finger ... and after 3 auto reboot, you're done ! Your microcode is downgraded !

    Note : You can use AMIBCP4.53 (google it) to unlock some feature of your bios like cpu configuration and much more !

    Enjoy your unlocked laptop ;)
     
    Maleko48, DynamiteZerg and James D like this.
  6. Maleko48

    Maleko48 Notebook Consultant

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    Is this same microcode bug exploit usable on a Kaby Lake i7 7700HQ too? I thought it was very closely related to the 6700HQ.
     
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