I've read ssssssooooooo many post trying to figure this out. I don't know if it's the sleep deprivation or lack of caffeine causing it but I need help. I'm so grateful I found this site. My partner has been throwing this all in with regular steel scrap because nowhere around us does E-scrap.

1) Yes
2) #3 is pinless cpu, 1&2 could be P4 metal top or fiber cpu with no metal, depending on what the top side is.
3) laptop mb, remove the peripheral board
4) metal socket MB, the metal bracket has been removed.

Make sure to remove the battery on that one.

Since you are a newbie you should check out this post. Hopefully you already found it, but here's a link in case you didn't

viewtopic.php?f=3&t=21765