[Motherboard] How to check what Bios version your motherboard is shipped with

The bios version is bottom of the barcode label , it is the last 4 digits of the barcode label. The barcode label is located between CPU socket and the memory slots.  For example, this Maximus XII Extreme motherboard shipped with bios version 0403.  

,

For PRIME series, it is also shown between CPU socket and memory slot, see  it close up to find exact location of the bios version.  Example: PRIME X570-PRO shipped with bios version 0405.