Question about ASUS Z170-A non K OC / memory OC

[Enterprise24]

Hi I am new to this forum.

My setup is
i5-6500 delided
ASUS Z170-A official 1801 BIOS / non official 0050 BIOS
G.Skill Trident Z 3600Mhz CL17-18-18-38 (2x8GB)
Custom Water Cooling (240mm.+360mm.)

I can OC my i5-6500 to 5Ghz (156.25x32) at 1.49V with my previous RAM (G.Skill Ripjaws 4 3000Mhz 2x8GB) at 3333Mhz.
But I feel that memory doesn't OC like I expect so I sold it and got my new Trident Z 3600Mhz.

Then I try playing new RAM with 1801 BIOS my RAM can OC to 3733Mhz CL15-15-15-28 with these setting
- DRAM Voltage 1.45V
- VCCIO 1.15V
- VCCSA 1.15V
- VCCIO Boot Voltage 1.15V
- VCCSA Boot Voltage 1.25V
- DMI Voltage 1.3V

However when I try 0050 BIOS I can't boot at anything higher than 3333Mhz memory no matter how much voltage or loosening timing even at stock 100Mhz BCLK.
Anything I can do ? or will there be a new BIOS for non-K OC.

Sorry for my bad English.

[Chino]

I don't think there will be a new non-K OC BIOS. You will just have to work with what you have. 😛

[Enterprise24]

Actually it is my false. Not Motherboard/BIOS/IMC/RAM issue.

Now I can boot at 3733Mhz with CPU at 4973Mhz.
Just set VCCIO / VCCIO boot at 1.15 and VCCSA / VCCSA boot at 1.25.
It is very very slow boot (probably RAM get heavily training ?) that I never wait. But with some patience suddenly it boot into windows. 😄
Time to stabilize this thing. :cool: