Hello.I tried to flash using Intel FPT there's no problems. I did it under windows 8.1. I didn't try to do it using DOS. I flashed the whole BIOS file.
The strange thing is it says "No" for access write ME in MEinfo but I've installed the BIOS showed in screenshots previously.As you noticed there's unlocked state.
The unlocked state i've changed to "YES" by myself using hex app. So, may be there's my mistake somewhere?

Zitat von RussianEnthusiast im Beitrag #269

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I'm an owner of H110M-DVS R2.0
I've updated my bios long time ago so I have 11.8 v of ME. I can't back to ME ver 11.6. I tried to flash via bios utility also via Intel FPTW. Still no luck.
Looks like I flash only Bios part but not ME region. I tried to share access to flash ME region in BIOS file but it also didn't help. I believe there's check for newer version so, it doesn't flash when version is older than installed. My question. Is there no posibilities to flash 11.6 without the programmer?

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@RussianEnthusiast - I see "Host write access to ME" disabled in MEInfo, this could be due to your hex editing, not sure. @Fernando or @plutomaniac would be able to better figure out why it's enabled in the BIOS Flash Descriptor region, but says disabled in MEInfo.

I would try again in DOS, or windows if you aren't able to easily setup DOS right now. This time try flashing ME region only and see what it says, error or not, and then shut down and remove power from the wall for 1 minute, and during that time clear CMOS or remove CMOS battery.
This is the command to flash ME region only, change "bios'bin to your actual BIOS file name - fptw -rewrite -me -f bios.bin

Then plug power back in, enter BIOS and load optimal settings and reboot back to windows (Set RAID then too if needed). Once in windows see if MEInfo shows updated firmware if FPT gave no error when flashing ME by itself.

Thanks Plutomaniac! I never noticed that info, must have overlooked it due to never having to deal with locked regions personally.

@RussianEnthusiast - can you check a BIOS save or dump from your currently flashed BIOS with Intel FPT according to "D" section of the link above, and see what it says with MEInfo, or upload here if you aren't sure how to checkit.
"fpt -d spi.bin" and if no errors try ME only w/ "fpt -me -d me.bin" If both of those work without error, then you should be able to reprogram the ME with FPT. If not, you'll need CH341A USB flash programmer

@RussianEnthusiast and @Bugger Vance :

i've had the same issue on my Z270 Super Carrier board - got ME Firmware 11.8.50.3470 alreaddy flashed to BIOS. Tried with a real bunch of tools (Intel FPT also) to downgrade this firmware with no luck.
But: the SUPER CARRIER has got 2 BIOS chips - one main chip and one backup chip. The Backup chip holds a vendor BIOS v2.10, while the latest available BIOS will be 2.40.
Within the BIOS there is a so called "Security Backup Flash" which will do the following: whenever the machine detects a totally crapped BIOS on Main BIOS Chip, it reboots and backups BIOS from BIOS BACKUP chip to BIOS MAIN chip.
That saved my life, because BIOS 2.10 contains ME Firmware 11.0.xx.xxx and so i was able to do the whole COFFEE LAKE Prozess.

I just checked ASRock site for your board and it seems, that your board do NOT have DUAL BIOS and such BIOS Backup function.
But on my research for a possible downgrade of ME firmware i met a verry well supporting guy on this forum: TechPowerUp called "R-T-B". Maybe should to try to contact him and ask for help. I suppose that he will be willing to help.

P.S.: i am "Mork_vom_Ork" on that TechPowerUp forum.

Only need that $3-5 CH341A USB flash programmer and problems are all solved for now and any future BIOS issues too

Thank you very much. I didn't expect so many help)
I tried @MOB method. It worked well. Also, the instructions Dnatwork wrote helped me a lot. So, I flashed it in 5 mins and changed ME version. Before I tried so hard without success. I almost lost hope. But then all FINE. I have H110 asrock cheap mobo. So, now it will serve much longer using Coffee lake CPU. I don't have it right now but planning to buy soon. I'll buy i3 8100.
For now I'm going to add microcodes to the Coffee lake CPU. Thanks again guys.

Woohoo, happy to see you were able to get it flashed back! Maybe @THE_FIST can use that method while using his Skylake CPU to help him too before trying the new BIOS posted on #256

Hi guys,

Was wondering if it’s possible to do the reverse of what you are all doing and install a Skylake Cpu on a 300 series coffeelake motherboard that states only 8 series compatibility?

Thanks

I wondered the same for a while now, for easier board testing and resale purposes, but wasn't sure where to ask and how to best explain that.

Hi Guys,
I have read some where that it is popular to mod some mobo for coffee lake i3 8100 and pair that with DDR3 (which is cheaper right now). Is it possible to get it working with i3 8100 and ddr3 ? Wchich mobo do you recommend - sth like ASROCK Z170 ?

@davidm71 Honestly, I don't know exactly if it is possible, but I know that the BIOS of some Z370 motherboards contain microcode for Skylake and the Kaby Lake so I think it should be possible.
Also take a notice that some of 8 series CPUs, such as i3, are almost identical as CPUs of 6 or 7 series and that's why there is no need to short or isolate anything.

@Wolf Larsen Was thinking of upgrading my motherboard to an Asus Apex X or XI (when released) and use my existing 6700K Cpu due to financial limitations. However the Asus support pages did not state that it was backwards compatible though digging into the bios of the Apex X with Uefitool I find that it does indeed have the microcodes for my Skylake CPU so I would assume it should work. I think they intentionally do not advertise this fact to force you to upgrade to Coffelake. Maybe I'm just paranoid..

Thanks