: Exhaustive chapters on Motherboards , Processors , and Memory (RAM).
Understanding how to salvage parts from old Dells and HPs requires recognizing chipset limitations. The 21st edition teaches you how to identify a motherboard's VRM quality, capacitor types (remembering the capacitor plague), and PCIe lane distribution—skills that save you money on eBay. upgrading and repairing pcs 21th edition pdf