How do I overclock i5 6400 with MSI Z170A Motherboard (Downgrade BIOS)

[Jonas_10]

I want to overclock this locked CPU: I know it's possible if you downgrade the BIOS, but how?

 

[chenuki]

You will find tools and instructions here, 7th post down: https://forum-en.msi.com/index.php?board=36.0

 

[Cdog042501]

You cant overclock a 6400 its a locked processor you can base clock boost tho

 

[chenuki]

You cant overclock a 6400 its a locked processor you can base clock boost tho

Sure you can. BCLK OC is possible with the right BIOS. See http://overclocking.guide/category/intel-oc-guides/skylake-non-k-oc/
List: http://overclocking.guide/intel-skylake-non-k-overclocking-bios-list/