The top pair of boards may fetch telecom pricing given the amount of IC population, but should easily get peripheral if not.
The laptop board will go as large socket motherboard due to laptop boards having larger concentrations of precious metal compared to desktop boards. The smaller board pictured with it will go as peripheral.
The third board will be low grade if it's brown on the other side, mid grade if green. Removing the heat sinks and transformers will knock the weight of the board down, but you may make more money on it if it's low grade and if the prices of copper, electric motors, or aluminum in your area are favorable.
The fourth board is either going to be peripheral or a backplane since it has some IC population and mostly sockets for what I believe are RAM chips. If necessary by boardsort before selling, remove the small heatsink and place with your aluminum.
The last board is a dual socket motherboard with what I believe are small sockets. If the distance between outer pin holes on opposite sides is less than 2", it is small socket. Greater than 2" will put it in the large socket category. Again, if necessary by boardsort, remove the heatsink. You can use a pair of scissors and apply downward pressure to the plastic pins to cut the pins off on the bottom to remove them, then use a flathead screwdriver to pry the heatsink off.
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