What's my PCB Revision?

[Strygun]

I'm trying to update my BIOS for this computer.

The mobo is an Asus A7N8X. This is the download page for my mobo:
http://usa.asus.com/support/download/item.aspx?ModelName=A7N8X

However, I don't know my PCB revision. I don't know how to find out, either.

Any help is appreciated.

[Rbstr]

look in your bios it should tell you

[NoSurrender]

i can stab a guess and ask when u bought it...