XBOX 360 : Check its motherboard model (FAT & Slim)

XBOX 360™ FAT side, there is 5 motherboard models (listed from newest to oldest) :
- Jasper (150W)
- Falcon (175W)
- Opus (175W)
- Zephir (203W)
- Xenon (203W)

XBOX 360™ Slim side, there is 2 motherboard models (listed from newest to oldest) :
- Corona (135W)
- Trinity (135W)

To differentiate, you need to compare the shape of the power supply and the presence or absence of HDMI socket.