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#61 RE: [OFFER] Gigabyte Z170-HD3-DDR3 BIOS with Coffee Lake support (BIOS F20 906EC) (BIOS F21F 906EA, 906EC, 906ED) by chinobino 26.03.2021 12:20

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@Semil24 You can also try Beta BIOS F2d for the Gigabyte Z170 Gaming K3 (Rev 1.0 & 1.1), it can be downloaded from this thread --> Skylake Non-k OC BIOS Archive

#62 RE: [OFFER] Gigabyte Z170-HD3-DDR3 BIOS with Coffee Lake support (BIOS F20 906EC) (BIOS F21F 906EA, 906EC, 906ED) by Semil24 28.03.2021 15:25

Thanks chinobino, f2d has better RAM ratios?
I am still battling with this. I managed to set an oc on f2c after a lot of hassle.
I installed f2d and it is not letting me increase the bclk. I followed exactly the procedure You wrote.. I just don't get it..

#63 RE: [OFFER] Gigabyte Z170-HD3-DDR3 BIOS with Coffee Lake support (BIOS F20 906EC) (BIOS F21F 906EA, 906EC, 906ED) by chinobino 28.03.2021 15:44

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I am not 100% sure that F2d will allow base clock oc but other beta BIOS released by Gigabyte on that date (15th Jan 2016) do support Skylake baseclock oc (such as F5c for the Gigabyte Z170-HD3-DDR3).

You may need to go back to F2c if you can't get it to work.

#64 RE: [OFFER] Gigabyte Z170-HD3-DDR3 BIOS with Coffee Lake support (BIOS F20 906EC) (BIOS F21F 906EA, 906EC, 906ED) by Semil24 28.03.2021 17:01

I checked the FW version and it stayed the same, so I assumed it still should do bclk OC. I will try F2C again to confirm.

#65 RE: [OFFER] Gigabyte Z170-HD3-DDR3 BIOS with Coffee Lake support (BIOS F20 906EC) (BIOS F21F 906EA, 906EC, 906ED) by Semil24 28.03.2021 17:36

Same happening on F2C too. Is it possible that something form Windows is blocking? Gigabyte App center was installed at one moment, but is uninstalled now.

#66 RE: [OFFER] Gigabyte Z170-HD3-DDR3 BIOS with Coffee Lake support (BIOS F20 906EC) (BIOS F21F 906EA, 906EC, 906ED) by chinobino 28.03.2021 19:31

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@Semil24 If you can boot into BIOS with increased baseclock then it should stay overclocked when Windows loads.

Windows 10 does load a newer CPU microcode that *may* interfere with the overclock.

If you want to stop Windows from loading the microcode you will need to take ownership of the file 'mcupdate_genuineintel.dll' and then rename it to something like 'mcupdate_genuineintel.bak'.

Instructions;

In order to change the file name you will need to take ownership of the file and grant yourself full control permission of the file.

1. Navigate to the file using Windows File Explorer i.e. C:\Windows\System32\mcupdate_genuineintel.dll

2. Right click on the file and select "Properties"

3. Go to the "security" tab

4. Click the "Advanced" button

5. Near the top of the resulting window there should be an "Owner:" line and "TrustedInstaller" is likely going to be the currently listed owner.

6. Next to that click "Change"

7. In the resulting window there is a field "Enter the object name to select (examples):"; type your username in this window and click on the "Check Names" button. This should change the contents of the field to something with an underline. The format should be COMPUTERNAME\USERNAME.

8. Hit OK

9. Now back on the window titled "Advanced Security Settings for mcupdate_GenuineIntel.dll" click the "Add" button near the bottom left of the window.

10. Near the top of the resulting window click "Select a principal"

11. Same window as step 6, same thing needing to be done as well

12. Click OK to return to the "Premission Entry for mcupdate_GenuineIntel.dll"

13. Place a checkmark in the box labeled "Full Control" and then hit the "OK" button on the window.

14. On the "Advanced Security Settings for mcupdate_GenuineIntel.dll" window click the "OK" button

15. On "mcupdate_GenuineIntel.dll" click "OK"

16. Now you should be able to rename it. If you have UAC enabled it will give you two UAC prompts when you try, but you just need to click through them.

If it gives you an error after the two windows that you need permission from yourself or from TrustedInstaller then go back through the steps as you may have missed one.
Note that a future Windows 10 update may reinstate the file and that every major update (i.e. new build) will also cause the file be updated or reinstated.

Also note that running sytem file check will also reinstate the file i.e sfc /scannow

#67 RE: [OFFER] Gigabyte Z170-HD3-DDR3 BIOS with Coffee Lake support (BIOS F20 906EC) (BIOS F21F 906EA, 906EC, 906ED) by Semil24 28.03.2021 20:26

Thank You so much for the support! Was downloading app center for it to update pci drivers.. since then I am having these issues so I guess it pushed the microcode update.
Since win 10 updates were no problems before while on base clock oc. Would You think a Win reinstall would get me back there?

#68 RE: [OFFER] Gigabyte Z170-HD3-DDR3 BIOS with Coffee Lake support (BIOS F20 906EC) (BIOS F21F 906EA, 906EC, 906ED) by Semil24 28.03.2021 21:30

Cpuz says: - Rev. 0xCC ► Intel SA-00233 Patched ◄
Does this mean that win patched the microcode?

#69 RE: [OFFER] Gigabyte Z170-HD3-DDR3 BIOS with Coffee Lake support (BIOS F20 906EC) (BIOS F21F 906EA, 906EC, 906ED) by Semil24 29.03.2021 00:55

Ok so got it under control. F2D did not work out no matter what I did. But with the above trick to make the Win microcode update go away, F2C now works.
Hope i don't need to bother You anymore.

#70 RE: [OFFER] Gigabyte Z170-HD3-DDR3 BIOS with Coffee Lake support (BIOS F20 906EC) (BIOS F21F 906EA, 906EC, 906ED) by chinobino 29.03.2021 05:24

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@Semil24 Looks like you've worked it all out, good work! Enjoy your overclock

#71 RE: [OFFER] Gigabyte Z170-HD3-DDR3 BIOS with Coffee Lake support (BIOS F20 906EC) (BIOS F21F 906EA, 906EC, 906ED) by Semil24 01.04.2021 13:23

Hey @chinobino, yet another boring question..
Do You happen to know how difficult is the coffelake bios mod for an asrock z170 extreme6? I do have this board but it has a burnt chipset.. I am considering getting it repaired as it has 12phase VRM so it should be able to take i7 or even i9

#72 RE: [OFFER] Gigabyte Z170-HD3-DDR3 BIOS with Coffee Lake support (BIOS F20 906EC) (BIOS F21F 906EA, 906EC, 906ED) by chinobino 01.04.2021 15:05

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@Semil24 Modifying is easy using CoffeeTime but there *may* be a security check that stops you from flashing a modified BIOS using ASRock's 'Instant Flash' - the only way to find out is to try to flash it.

If there is you can remove Instant Flash Protection by opening the modified BIOS in UBU and then exiting, UBU will ask if you want to remove Instant Flash Protection.

#73 RE: [OFFER] Gigabyte Z170-HD3-DDR3 BIOS with Coffee Lake support (BIOS F20 906EC) (BIOS F21F 906EA, 906EC, 906ED) by aniuks27 01.07.2021 17:09

Hi All, I'm new to the scene.
I currently running Gigabyte Z170 gaming K3 with i7 6700K CPU & 16GB RAM. Planning to try Coffee Lake mod with 9700K . The questions I have are the following:
1) Will this motherboard be enough to support 9700K?
2) Regarding the pinmod: Am I correct in saying there is no need to short 2 upper pins for Gigabyte boards as shown in the diagram (Green colour)?
3) I'm planning to use CoffeeTime to modify my BIOS to support mentioned CPU. Are there any specific changes I have to do in CoffeeTime when it comes to patching...I also plan to use a CH341A Programmer to flash my BIOS (I understood that standard BIOS Flash utility won't work) .
Btw I'm currently running latest BIOS F23f

Thanks in advance.

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