Any downsides to modding an asrock z170 gaming k4/d3 (ddr3) to run a 9700k or similar? any issues with pci-e, hyperthreading, etc?

any confirmed success stories?

0.92 vbios replacement doesn't work well，after bmp ends

@madmanmarz
Should work fine as on all other ASRock Z170. Maybe a bit voltage issues with 9900, but easy to fix by manual.

@virginlulu
Give more detail info please. At what moment it breaks? OS version? Is desktop DPI scaled? Is antivirus reacted?

the bmp window is out，but the vbios doesn't be replaced，i use windows10 1809

@virginlulu
Two things:
- This bug may be related with nonstandart bios. Please give me your image to try solve problem.
- There is no Kaby Lake microcodes inside, so bios may not support KBL. Grey PCIe patch label may indicate about same thing. In this case coffee-mod not possible for this image.

Hey, I've got a weird problem.

I picked up a used 9700k from CEX in the UK and tried to get it to work with my Asus z170-p motherboard.

I shorted and isolated the correct pins and modified the bios with coffeetime, but couldn't get it to boot. The motherboard will turn on but will turn back off and boot cycle after about 5 seconds.

Looking at my CPU, it seems to have the PCB of a B0 (4 core) chip rather than the P0 or R0 that a 9700k should have


Is there a reasonable explanation for this? Or has someone swapped the IHS with a worse CPU and conned CEX into accepting it?

8 core does require different number of SMD parts than 4 core. So if it is exactly like a quad, than something is very fishy. Pics?

Zitat von toung421 im Beitrag #1281

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I shorted and isolated the correct pins and modified the bios with coffeetime, but couldn't get it to boot. The motherboard will turn on but will turn back off and boot cycle after about 5 seconds.

Looking at my CPU, it seems to have the PCB of a B0 (4 core) chip rather than the P0 or R0 that a 9700k should have


Is there a reasonable explanation for this? Or has someone swapped the IHS with a worse CPU and conned CEX into accepting it?

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The forum won't let me post pictures or links since my account is too new, but it looks exactly like the B0 stepping seen on the i3-8100-8350k.

@toung421
I'm sorry, but if PCB looks like B0 - it's 100% fake.
It's may be any Kaby Lake also, e.g. Celeron.
Remove all pinmod from CPU and add 906E9 and 906EB microcodes into modbios, then try to start it.

Its one of the more lucky fakes though, as the CPU could at least run. There have been several Socket 1150, 1155, 1156 and even some 775 with "Core i?-9???" relabeling. Good luck with the dealer, though. Such things are hard to prove.

YES! this mainboard is skl only，no kbl
[[File:HP 280 G2 Pro MT MAN_A054 FROM HP.rar]]

@svarmod
What about VRM temps on a 9700k, can it handle it at stock settings?

I have 60mm fans on VRM and water cooled 6700k @4.7ATM

Does anybody know what area of the board the bios chips are located at on the Maximus IX Extreme board?

Hello! I've got a deal on a 9900ks and was wondering If my ASUS z170-a has The capability to run it? I am specially worried about higher tdp of The ks model. Or am I just better off selling my mobo and get a new one. If The vrm is sufficient and all is otherwise green, i'm gonna short the skt_occ pin to ground and do the BIOS mods. And is it absolutely necessary to isolate the couple of pins on The cpu?