I sent in a stack of CD/DVD boards to squeeze in the last 3 or 4 pounds in my first shipment, pretty sure they were graded as motherboard. I removed everything that wasn't soldered to the board. Same with satellite/cable receiver boards, though I had a good 15 lbs or so of them and they were pretty high quality as far as those boards go. Might be different if they're the older/cheaper version with less ICs and more heavy worthless stuff... I also removed every single bit of steel I possibly could without actually damaging the board, I imagine they would have been downgraded if I didn't.
Hope that helps
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