volkgren :
Check out this video. Looks like he has done it.
[video="https://www.youtube.com/watch?v=r5Doo-zgyQs&t=340s"][/video]
thanks - that was what i was afraid of, that it was soldered to the IHS. I might still try the idea i have but for myself, not for commercial venture.
I had googled it but didn't come up with that one - and that he got slightly better results by simply sanding his IHS down to remove some of the thickness -
Note - god i wish youtube would put up a banner, especialy for non-native english speakers: "Put down the double expresso, and maybe try a half of a valium before recording. I had to put my ears on 78rpm