Instructions
Check via Bar Code
Turn the Xbox 360 around so the rear is facing you.
Locate the white bar code sticker.
Find the "Made in China" text. The amperage information is located just above this. If you see "12.1 A" you have a Jasper unit. If you see "14.2 A" you have the Falcon model.
Check via Power Adapter
Locate the Xbox 360 power adapter.
Turn the adapter over to see the power-rating information. This is located on the white sticker on the bottom of the adapter.
Look at the "Output" information. If the number next to the "AMPS" is "12.1 A" you have a Jasper model. If the number next to "AMPS" is "14.2 A" you have a Falcon unit.