I was looking at this but it only works on a Carona slim which I have.
https://www.amazon.com/Machine-Pulse-150MHZ-XBOX360-Replacement/dp/B07KWB3RBQ/ref=mp_s_a_1_2?keywords=mod+chip+for+xbox+360+ace+v3&qid=1566681073&s=gateway&sr=8-2#aw-udpv3-customer-reviews_feature_div