To end all the Corona mobo confusion...
Team Xecuter has released an identification guide so you can check out which Corona motherboard version you have.
Team Xecuter has released a very neat guide so you can identify all the Corona versions, in order to end with all the confusion surrounding this XBOX 360 Motherboard.
And, here's it:
NEWS SOURCE #1: Xecuter official Corona motherboard identification solutions (via) Team-Xecuter
NEWS SOURCE #2: Xecuter official Corona motherboard identification (via) Homebrew-Connection
Our thanks to 'Gauss' for this news item!