Find the manufacturer and version of your motherboard with this command:
sudo dmidecode | grep "Base Board" -A 13
Example output:
Base Board Information
Manufacturer: ASUSTeK Computer INC.
Product Name: Maximus Formula
Version: Rev 1.xx
Serial Number: XXXXXXXXXXX
Asset Tag: To Be Filled By O.E.M.
Features:
Board is a hosting board
Board is replaceable
Location In Chassis: To Be Filled By O.E.M.
Chassis Handle: 0x0003
Type: Motherboard
Contained Object Handles: 0