How much precious metal (gold, platinum, silver, copper) is in my computer?

Are CPU pins made of solid gold or plated? What about connectors on boards and motherboard? Where is the most concentrated precious metal in the computer? I know the pins are at least gold plated, some maybe solid? They look different than they used to, but I have in the past broken pins and looked on the bottom and seen a solid metal. Hard drives also have Platinum/Cobalt alloys, but how much? I read 35% of the alloy is Platinum, but how much total alloy is there on a platter? The copper in the wires is obviously worth a few dollars maybe, but what about the precious parts? Is there anywhere I can read about this? If you know or know where to find the specific processors with the solid gold pins, that would be nice. Thanks for your help other prospectors!