Asrock Z170M-pro4s VCore doesn't changes

[eXclusiveor]

In bios there is only one option [CPU offset voltage]:

Changing [CPU offset voltage] to any value (0, 200, 300, etc) doesn't affect on vcore voltage. I checked vcore value in bios after reboot and in windows i used cpu-z(1.75), HWMonitor (1.28). Vcore value stay in 1.136, on an any offset from 0 to 500. I can't OC my Pentium G4400 CPU over 4.2ghz without increasing vcore. :'(

P.S. I noticed when i reset BCLK to default (100), vcore increase to offset, and i can get any vcore 1.28, 1.3, etc. But only on default cpu clock, it's useless.

I use bios version 2.4 (also tested 2.2, 2.23b)

P.S2
Can it be caused by using 4 pin EPS12V instead 8pin CPU power connectors plugged to MOBO?

 

[VirtualLarry]

My Z170 Pro4S board, has both Offset and Fixed options. I'm using Fixed.

Look at the menu before the one you're looking at.

 

[eXclusiveor]

Maybe ASRock made reduced function uefi for MicroATX version, in my mobo there is no fixed option.

 

[VirtualLarry]

Maybe ASRock made reduced function uefi for MicroATX version, in my mobo there is no fixed option.

I find that... really hard to believe. I think that you just missed the option.

 

[eXclusiveor]

In uefi OC setting placed in tab [OC Tweeker]
There are 3 only pages:
[CPU configuration]

[DRAM configuration]

[Voltage configuration]

Look on screenshots, what i could miss?

 

[repoman0]

I've got the Z170M Extreme4 and in the Voltage Configuration page, there is an option to pick between fixed, offset and possibly the "adaptive" one or whatever it's called (can't remember if it's actually there or I just saw it mentioned in a guide). It's right above the CPU Voltage Offset (mV) that's there on your board, so definitely looks like they just didn't include it on the Pro 4S.

That said, offset mode is the way to go anyway. I haven't played with mine too much, but it's possible that the Vcore isn't read correctly on these boards? I quickly clocked my 6700k to 4.2GHz at -100mV offset (crashed booting Windows), -50mV offset (crashed running LinX) and -5mV (stable), but I don't remember the voltage in HWMonitor changing.

 

[eXclusiveor]

Today i received answer from asrock:

Please be noted that the SKY OC function is a backdoor to overclock, so it has some limitation.
On Z170M Pro4S, the offset voltage will become unadjustable after load SKY OC function.
If you would like to adjust the CPU offset voltage on Z170M Pro4S, please use K-series CPU.
Sorry for the inconvenience.

 

[LTC8K6]

That Skylake non-K overclock option sure is lovely...

 

[eXclusiveor]

Yesterday released new bios(2.80) that fixes this issue.

 

[VirtualLarry]

Did that BIOS remove the "SKY OC" functionality? The 3.1 BIOS for my Z170 Pro4S ATX board says that in the notes. I've been afraid to flash any BIOS newer than 3.0.

 

[eXclusiveor]

Don't afraid, you always can flash older one.
In 2.60 they removed SkyOC
In 2.80 bring it back

 

[adamya158]

hello sir can you please help me. I have a question about the asrock z170mpro4s thank you(sorry for poor english!)