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PSA: Gigabyte F20B BIOS changes

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BTW you can stop the ghost partitions by mounting your EFI partition and then renaming EFI/BOOT/ to EFT/BOOT.disabled/

note: you'll have to do this each time you update clover.

This caused me to get a denial sign when booting.

Is there a way to change it back? now that I can't boot.
 
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Wow, sorry about that! Strange how it works fine for me but not for you..
Can you boot from the Clover USB?

Yeah, I had to put a backup on my systems EFI on my USB to boot. No problem, glad I had a backup lol!
 
I was able to downgrade back to a BIOS version previous to F20.

I use the FTP Z170 Tool for DOS from https://www.mediafire.com/?p66jhts7cfi26y8

Then I...

1. Formatted a USB drive to DOS bootable with Rufus
2. Copied the contents of the zip above into the root of the USB drive overwriting the AUTOEXEC.bat
3. Downloaded the the BIOS I wanted to downgrade to from Gigabyte.us site
4. Move the BIOS binary to the root of the USB and rename it "bios.bin"
5. Boot the machine from the USB drive and it will automatically overwrite the BIOS to the desired version.
6. Ctrl-Alt-Delete once it says it's done

** Be sure to copy down the MAC address of your Intel NIC as it will be overwritten and you'll have to change it back once you're back up and running.
Thanks for that fix. Im building my first PC in years and for some reason it came with F20 and I had so many problems.
 
I was able to downgrade back to a BIOS version previous to F20.

I use the FTP Z170 Tool for DOS from https://www.mediafire.com/?p66jhts7cfi26y8

Then I...

1. Formatted a USB drive to DOS bootable with Rufus
2. Copied the contents of the zip above into the root of the USB drive overwriting the AUTOEXEC.bat
3. Downloaded the the BIOS I wanted to downgrade to from Gigabyte.us site
4. Move the BIOS binary to the root of the USB and rename it "bios.bin"
5. Boot the machine from the USB drive and it will automatically overwrite the BIOS to the desired version.
6. Ctrl-Alt-Delete once it says it's done

** Be sure to copy down the MAC address of your Intel NIC as it will be overwritten and you'll have to change it back once you're back up and running.


I flashing Bios by FTP Z170 Tool on Gigabyte Z170X-Designare . Reboot and is OK but I have Two Ethernet cards: one Intel i211 and second Intel i219-v. Mac address for i211 is correct (is not 100% compatible on Sierra) but i219-v change mac address - 88.88.88........All cards works ok. I need flashing eprom tools for intel i219-v to revert origin mac address.
EEupdate.exe tool detect only i211...Is any flashing software for i219-v ?

UPDATE : Succesfull. Must be new version of eeupdate.exe (February 2016) that detect Intel i219 V card.
USB boot stick with Eeupdate.exe on it.
Boot and type:
eeupdate /nic=1 /mac=xxxxxxxxxxxx
Where xxxxxxxxxxxx is a new MAC Address.

You can download app mac address writer 2.07 from here:

http://www.asrock.com/support/download/mactool.asp

In folder intx550/int219KB/ is a new version of eeupdate.exe
 
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So I guess the general consensus is that if you are comfortable reflashing the bios then update, if not stay where you are and keep removing the boot entries.
 
hi everyone,

i'm on a Gigabyte Z170X ultra gaming with F21 bios for my first hackintosh ... and i'm lost !... completely lost ;-)

I've done all the process, but i still a loop boot. I can't access to apple logo or nothing else.

If i boot from my USB EFI, i can access to my macos but without graphic cards. It makes me possible to change config.plist with clover configurator.

Is anyone could help me, please ?
 
Bit the bullet and updated to F21 on my GA Z170N-Gaming 5 was able to boot with Patch APIC and then fixed the GPU issue “EVGA GTX 950” by reinstalling clover with EmuVariableUefi-64 checked, all working!
I updated my BIOS on my z170 gaming 5 because I was replacing my main boot drive (windows 10) for a NVME drive. MY second SSD with 10.12.3 on would not boot. I reset my bios with the jump and re did my bios settings and was able to boot in to 10.12 again but my gigabyte 960 was no longer recognised in the mac os. I m not sure how to re install clover with the EmuVariableUefi-64 enabled can anyone point me to somewhere it details how to do this? I have googled it and searched here but there are hundreds of threads. TIA
Scrub that.... I worked out how now. now i just have to stop regretting my purchase of a 1070!!!! :(
 
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BTW you can stop the ghost partitions by mounting your EFI partition and then renaming EFI/BOOT/ to EFT/BOOT.disabled/

note: you'll have to do this each time you update clover.

I tried the renaming trick and could not boot into MacOS. I have an H170N-WIFI mb, maybe that had something to do with the mb version?

I had to boot into my backup hard drive and then change back to "EFI/BOOT" to be able to boot again. I don't know how I could have "fixed" it without the backup. Phew!

I would really like to try updating the BIOS but am reluctant to try since there doesn't be a definitive answer. What works for some seems to fail for others. <sigh>
 
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I tried the renaming trick and could not boot into MacOS. I have an H170N-WIFI mb, maybe that had something to do with the mb version?

I had to boot into my backup hard drive and then change back to "EFI/BOOT" to be able to boot again. I don't know how I could have "fixed" it without the backup. Phew!

I would really like to try updating the BIOS but am reluctant to try since there doesn't be a definitive answer. What works for some seems to fail for others. <sigh>

I've edited my post to warn people it might not work. My apologies.
 
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