Can u precisely find which motherboard do you have with the power supply only

Horizon - Xbox Xbox Gaming
1

i dont want to open the xbox . it says above hdmi ( 12V-9.6A, 5V-1A)

2

That should give you the mobo model.

3

i have seen this. According to this my xbox us most close to Corona. But there is a slight difference.

Maybe I have to refer the manual, who knows if it even exists.