how to check voltage on the core of a 7900gt

[Arkane13131]

I just did the volt mod. the memory was not fun to get just right heh had to retry like 5 times >.> but it finally sits right at 2.22 now the thing that I want to check is my GPU voltage... any ideas how to do that?

 

[Effect]

Mutlimeter?

 

[Arkane13131]

ok, but where do you place the contact?

 

[shabby]

http://sg.vr-zone.com/?i=3330&s=2