An AA number usually looks something like G12345-678 . The format can vary, but it’s always printed on the main label. Once you have the AA number, you can search Intel’s official support site to find the correct download page for your specific motherboard revision.
Your screen will display the actual model number (e.g., DH61CR or DH61WW ). Method B: Inspect the Physical Board intel desktop board 21 b6 e1 e2 driver work