which mod chip

is there any way to know what mod chip you have i have the slim ps2. the reason i dont know what mod chip i have is becouse i went to my country ecuador and got it there i payed 80 dollars fo an installation is there anyway i could tell what mod chip i got.

 

open your ps2

 

i opened it but there is a silver thing on top of everything and how do i open dat??

 

u need one of those small crewdrivers to open the screws on the silver board which is covering the motherboard