ASUS Z170-A Non-K OC BIOS

ASUS Z170-A Non-K OC BIOS

Support for BCLK Overclocking of CPUs like i3-6100, Pentium G4400, i5-6400, i7-6700 and all other non-K CPUs.

Don’t use this for K-series CPUs.
It might damage your hardware, no guarantees provided.

Issues found so far

  • No IGPU
  • No dynamic change of CPU frequency
  • No C-states
  • No Turbo Mode
  • CPU temperature reading is incorrect (use HWiNFO for readout of package temp instead of core temperature)
  • AVX instructions have very low performance
  • Windows XP ACPI not supported

After flashing set the following settings to make it boot into OS with correct CPU speed

AdvancedCPU Configuration
- Boot Performance Mode -> Turbo Performance

AdvancedCPU ConfigurationCPU Power Management Configuration
- Intel(R) SpeedStep(tm) -> Disabled

Check the forum for the OC example with Z170-A and i3-6100:

http://overclocking.guide/overclocking-guide-forum/?view=thread&id=4#postid-6

Detailed ASUS Z170 Non-K OC Guide

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NameASUS Z170-A Non-K OC BIOS
Categories,
Version0050
Size8.00 MB
Downloads11571
Total Files1
Create DateDecember 18, 2015
Last UpdatedApril 11, 2016
File
Z170-A-ASUS-0050.zip

112 comments

  • parsa

    i have a problem with this bios… when i coc by your guid my camputer can not boot the windows !? why!?

    • der8auer

      Which board and hardware config? Did you use the non-K bios from my page?

      • parsa

        yes. download non-K bios from your page… ASUS Z170 A . cori5 6400 . 16g ddr4 ram .685w green power. Enermax ETS-T40F coolling.

        when i update bios to non-k ver… my windows can not boot. i check it with your instruction and with default setting… but window cant startup .

        • Bryan

          I am having this same issue….did you get it to fix?! I really hope my comp is not bricked…

          • Fust

            UPDATE ON MY PREVIOUS COMMENTS:

            Try these settings, this is what got me up and running with this BIOS!!:

            Advanced > CPU Configuration > Boot Performance Mode: Turbo Performance
            Advanced > CPU Configuration > CPU Power Management Control > Intel(R) SpeedStep(tm): Disabled
            AI Tweaker > Ai Overclock Timer: XMP

            (—–> VERY IMPORTANT!! CLICK NO ON THE DIALOG BOX THAT POPS UP!!! BCLK Frequency: 133 (a starting point, try increasing after stable)
            AI Tweaker > DRAM Frequency: Auto (a starting point, try increasing after stable)
            AI Tweaker > DIGI+ VRM CPU > Load-Line Calibration: 7
            AI Tweaker > CPU Core/Cache Voltage: Manual
            AI Tweaker > CPU Voltage Override: 1.35 (a starting point, try increasing if not stable, but not past 1.45)
            AI Tweaker > DRAM Voltage: Auto (a starting point, try increasing if not stable, but not past 1.35 unless you really know what you’re doing)

  • Rogelio

    Has intel released anything on this?
    Will this void any warranties?
    Newbie here

  • Anonymous

    I tried this bios. Bricked my pc. 6 short beeps. Use with caution.

  • Botnet IsReal

    What is this BIOS based off of?
    I am wondering because the newer BIOS brings more stability when overclocking.
    I just do not want to risk a brick or anything.

    This is the latest one Z170-A BIOS 1602

  • Ethan

    hello, i have the ASUS Z170-AR. I was wondering if this bios would still work on my version. Thanks

    • David m

      I was wondering the same cant seem to find a answer anywhere

      • Dave

        Anyone ever find out?

        • fust

          No, I can confirm this won’t work with the Z170-AR. I can enter UEFI, and BCLK is unlocked, but it won’t boot regardless of settings.

          • Fust

            UPDATE ON MY PREVIOUS COMMENTS:

            THIS WILL WORK WITH THE Z170-AR IF YOU CAN FLASH IT CORRECTLY!!

            Try these settings, this is what got me up and running with this BIOS!!:

            Advanced > CPU Configuration > Boot Performance Mode: Turbo Performance
            Advanced > CPU Configuration > CPU Power Management Control > Intel(R) SpeedStep(tm): Disabled
            AI Tweaker > Ai Overclock Timer: XMP

            (—–> VERY IMPORTANT!! CLICK NO ON THE DIALOG BOX THAT POPS UP!!! BCLK Frequency: 133 (a starting point, try increasing after stable)
            AI Tweaker > DRAM Frequency: Auto (a starting point, try increasing after stable)
            AI Tweaker > DIGI+ VRM CPU > Load-Line Calibration: 7
            AI Tweaker > CPU Core/Cache Voltage: Manual
            AI Tweaker > CPU Voltage Override: 1.35 (a starting point, try increasing if not stable, but not past 1.45)
            AI Tweaker > DRAM Voltage: Auto (a starting point, try increasing if not stable, but not past 1.35 unless you really know what you’re doing)

  • Sostratos

    Can you kindly cook one for ASUS Z170-AR? This one is same as Z170-A except the missing VGA port.

    • Dave

      I wonder if the z170-ar could use the z170-a bios. There the same board minus the bus port … hmm

      • fust

        No, it won’t work on the Z170-AR. 🙁 I tried, board cane enter UEFI, but won’t boot regardless of settings.

        • Fust

          UPDATE ON MY PREVIOUS COMMENTS:

          THIS WILL WORK WITH THE Z170-AR IF YOU CAN FLASH IT CORRECTLY!!

          Try these settings, this is what got me up and running with this BIOS!!:

          Advanced > CPU Configuration > Boot Performance Mode: Turbo Performance
          Advanced > CPU Configuration > CPU Power Management Control > Intel(R) SpeedStep(tm): Disabled
          AI Tweaker > Ai Overclock Timer: XMP

          (—–> VERY IMPORTANT!! CLICK NO ON THE DIALOG BOX THAT POPS UP!!! BCLK Frequency: 133 (a starting point, try increasing after stable)
          AI Tweaker > DRAM Frequency: Auto (a starting point, try increasing after stable)
          AI Tweaker > DIGI+ VRM CPU > Load-Line Calibration: 7
          AI Tweaker > CPU Core/Cache Voltage: Manual
          AI Tweaker > CPU Voltage Override: 1.35 (a starting point, try increasing if not stable, but not past 1.45)
          AI Tweaker > DRAM Voltage: Auto (a starting point, try increasing if not stable, but not past 1.35 unless you really know what you’re doing)

  • Waad

    1. What was updated on April 11th? The bios remained the same, from 2015.
    2. Why is it written everywhere to set ‘Boot Performance Mode -> _Turbo_ Performance’, when there’s ‘No Turbo Mode’ while non-k overclock? Should there be ‘Max Non-Turbo Performance’?
    3) I’ve encountered the same problem of freezing Windows while booting. But when I set everything for overclock, everything went ok. Returned bclk to 100.0 – can’t boot again. So, no booting to windows using 0050 bios at default frequencies for some reason…

  • Alex

    Can you made for ASUS Z170-AR?

  • jacky iakovenko

    help me for best result in overclock my system with this bios
    my system: asus z170-a intel i3-6100 ram crucial ballisticx sport lt 8gb 2400mhz

  • skylar coy

    whenever i flash into the bios i get a frozen loading screen when i try to boot into windows?

  • julio

    How fast I can to convey a G4500 this motherboard, the Asus Z170-A?

  • julio

    It’s true, whenever i flash into the bios i get a frozen loading screen when i try to boot into windows?

  • julio

    really if it works, thank God, only we must follow the steps and instructions as the instruction of the ‘readme’ he says. Overclockers thanks.

  • toni määttä

    Can you mod the newest Z170-A BIOS 2001? I had to update bios, because that latest non-k OC bios couldn’t recognize my new memory :/

  • enterprise24

    I request for update non K OC BIOS to 2001 also. I think newer BIOS should made memory overclocking a bit easier ?

  • Frank

    What exactly do you change on the BIOS. When I bought the Z170-A a week ago, I really believed ASUS would provide BCLK overclocking “on-Board”. But I don´t get more then 102,5… wtf?

  • Frank

    For me, with my i7 6700 it works, thank you. I least my Bios showas me at would run at BCKL 109 now. Strangly when using CPU-Z it still shows me only one Frequency, 3706 Mhz, which is 34 x 109. Even while Stress TEsting CPU. But the Core i7 can clock up to 40x in Boost Mode??

  • 977085 2833Woh I like your posts , saved to fav! . 268648

  • Will Gilliam

    Will there be any updates. Its kinda unstable

  • iq

    Current official BIOS – v2202
    1.CPU uCode update
    2.Support more PCIe-1394 devices.

    Is it possible to get fixed BIOS, based on v2202?

  • jacky iakovenko

    admin be good and update latest asus bios for non k overcklocking please 🙂
    for asus z170-a users

  • jacky iakovenko

    please help me people !!
    i have ASUS Z170-A with last version of officila bios 2202 when i try flash bios write erro SELECTED FILE IS NOT PROPR BIOS
    can anyone help me?

      • jacky iakovenko

        thanks bro,works fine
        so now i have problem with cracked bios
        when i try to overclock my i3 6100 on my asus z170-a can’t boot windows 🙁

        • fust

          This BIOS won’t work on the Z170-AR. I tried it, the board can enter UEFI, but won’t boot regardless of settings. 🙁

          • Fust

            UPDATE ON MY PREVIOUS COMMENTS:

            THIS WILL WORK WITH THE Z170-AR IF YOU CAN FLASH IT CORRECTLY!!

            Try these settings, this is what got me up and running with this BIOS!!:

            Advanced > CPU Configuration > Boot Performance Mode: Turbo Performance
            Advanced > CPU Configuration > CPU Power Management Control > Intel(R) SpeedStep(tm): Disabled
            AI Tweaker > Ai Overclock Timer: XMP

            (—–> VERY IMPORTANT!! CLICK NO ON THE DIALOG BOX THAT POPS UP!!! BCLK Frequency: 133 (a starting point, try increasing after stable)
            AI Tweaker > DRAM Frequency: Auto (a starting point, try increasing after stable)
            AI Tweaker > DIGI+ VRM CPU > Load-Line Calibration: 7
            AI Tweaker > CPU Core/Cache Voltage: Manual
            AI Tweaker > CPU Voltage Override: 1.35 (a starting point, try increasing if not stable, but not past 1.45)
            AI Tweaker > DRAM Voltage: Auto (a starting point, try increasing if not stable, but not past 1.35 unless you really know what you’re doing)

  • Renat

    bios 0050 dont see SATA controllers – big trouble… help… bios 2202 all good…whats probleme?? help

  • Sandbo

    Recently I have seen some bottleneck from the CPU, maybe I want to do something.
    Before I move on, would anyone mind clearing out some of my hesitations?

    Using ASUS Z170-A and i5-6600,
    -If I already flashed to the latest BIOS, can the guide on top flash the BIOS back to the overclocking one?
    -If I flash to the overclocking BIOS, would it be possible to go back to the factory BIOS?
    -If the temperature can’t be read out correctly, does it affect the PWM control of CPU fans?

    Thanks a lot.

  • argada

    dont work
    when i updet biose to ASUS Z170-A Non-K OC ,my windos dont boot up. why!? my cpu is 6400 and m.b is asus z170 a… when update to oficial bios its be correct but with non-k oc bios, It was stuck at Windows startup !?

  • rion

    How to fix sata issue: First downgrade to this modded bios(0050) via this manual http://overclocking.guide/flash-back-older-bios-asus-z170/
    After just install again modded bios(0050) from normal way 0050 ->0050. And sata will be works perfectly with bclk overclock.

  • madjacky

    what about newest bios for asus z170-a? Z170-A BIOS 3007
    will be cracked?

  • ALEKS

    I have a ASUS Z170-A! BIOS stands 3007 I can not update your firmware! You can do your update the BIOS?

  • hey i have a z-170-s mother board and the non k 6600, boosted to 3.9, higher oc achievable with this setup?

  • David m

    Will this bios work on a z170-AR

    • Fust

      This BIOS won’t work on the Z170-AR. I tried it, the board can enter UEFI, but won’t boot regardless of settings.

      • Fust

        UPDATE ON MY PREVIOUS COMMENTS:

        THIS WILL WORK WITH THE Z170-AR IF YOU CAN FLASH IT CORRECTLY!!

        Try these settings, this is what got me up and running with this BIOS!!:

        Advanced > CPU Configuration > Boot Performance Mode: Turbo Performance
        Advanced > CPU Configuration > CPU Power Management Control > Intel(R) SpeedStep(tm): Disabled
        AI Tweaker > Ai Overclock Timer: XMP

        (—–> VERY IMPORTANT!! CLICK NO ON THE DIALOG BOX THAT POPS UP!!! BCLK Frequency: 133 (a starting point, try increasing after stable)
        AI Tweaker > DRAM Frequency: Auto (a starting point, try increasing after stable)
        AI Tweaker > DIGI+ VRM CPU > Load-Line Calibration: 7
        AI Tweaker > CPU Core/Cache Voltage: Manual
        AI Tweaker > CPU Voltage Override: 1.35 (a starting point, try increasing if not stable, but not past 1.45)
        AI Tweaker > DRAM Voltage: Auto (a starting point, try increasing if not stable, but not past 1.35 unless you really know what you’re doing)

  • maxdef59

    please uptade for 3301 bios ??!!!

  • SKYuser

    You can use Flash BIOS USB Programmer to downgrade your bios.
    Like CH341A. You can buy it on ali. And flash any bios you want.
    Or you can order bios chip whith desired ROM from ebay or elsewhere.
    Hope this will help.

  • maxdef59

    I buy a virgin chip then I have it programmed with the bios 🙂

  • Mikey

    BIOS 3007 cannot be downgraded by eny of the metods except for the programator, if you have a motherboard with a 20xx BIOS here’s a tutorial from russian guy how to downgrade it, maybe will help somebodey
    https://m.youtube.com/watch?list=PL-NpJJBbTGo-Pk2oN5m4a2k1yqO-bw1UH&v=dYxsdJ9vQW4&index=5

  • vima

    Hello!

    Can i use these to my z170a-s2?

    I have a i5 6400

    Tyty

  • Marco

    When i try to flash the bios its says its not a proper file. what do i do?

  • Frank

    Hi again.

    Long Time past – but the Core i7 6700 is still great, and no reson to upgrade.

    Many things changed, M.2 drivers came out, electricity became more expensive.

    What I´m going to say is: I wol very very appreciate if you, 8auer, could create more modern modded Bioses for the Z170 Boards. Above, I read, downgrading to older Bioses maybe also not possible anymore.

    And my special request is: Doing it in a way, energy saving modes (those that really save something) would still work. My rig is constantly sucking 170 Watt/hour, where it was around 92 Watts before.
    And by the way, in my case it would be the Asus Z170-A.

    Thank you so much, guys out there, and you, 8auer.

  • Frank

    Oh my God…. I flashed the new Bios today… 3703. Fine, so far. But then I realized, performance is terrible. CPU usage is permanetly aound 90 – 100 % now, in games where it was arounf 70% before. And the difference is only 4100Mhz now to 4300Mhz before. I guess, this is because is not using max Multiplicator (I can see in CPU-Z on second Monitor while gaming). Switched to maxim Windows Power Plan, turned off Stepstep in Bios and so on… does not help.

    Now, I´m trying to flash back v050 Bios, with the description from above (russian Video) but I get a “failed to disable write protection for the bios space” instead.

  • Andres Fonola

    Hi, any update to 2018 on this bios ? new MM2 hard disk and some Huge Hard disk incompatibilities appear. Overclock works fine

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