Solution

 BIOS version name for “7^th Gen CPU and this is dedicated for KABY LAKE Platform” first also this support with SKY LAKE platform CPU as well:

B360AR3X.R01 / B360AR3X.R02

 BIOS version name for “6^th Gen CPU and this dedicated for SKY LAKE Platform” only:

B360AR1X.R01 / B360AR1X.R02

 Remark

 Plz use skylake CPU in first if your on-board BIOS ver is 1x,then do 'GO ME' method BIOS flash for BIOS_3x perhaps contact FAE if you aren't familiar with this flash method.