Microsoft Xbox Repair Manual page 17

Xbox Version Detection - (Step 2 Image2)
Power connector (v1.0/v1.1 - v1.2/v1.3/v1.4/v1.5/v1.6)
LOCATION of the power connector on the motherboard (same on all versions)
Now check how many rows of pins your power connector has
PICTURE1: 1 row of pins
PICTURE2: 2 rows of pins
Select which picture matches with your Xbox:
Your Xbox is like on image 1:
Your Xbox is like on image 2:
The power connector is in the red area
You have an Xbox v 1.1
see page 18
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