> Why don't the manufacturers offer standard pc motherboards tweaked for their corresponding cpu? Because there's no standard interface. Each SoC has its own s

> Why don't the manufacturers offer standard pc motherboards tweaked for their corresponding cpu? Because there's no standard interface. Each SoC has its own set of pins, which changes every generation for every manufacturer. Each board would essentially have to be redesigned for each CPU, meaning that the idea of having a separate "motherboard" would be completely pointless, as it'd be totally coupled to the CPU. You could have motherboards with pre-soldered, rather than socketed, SoCs, but then again, manufacturers would essentially have to put as much work into each revision of those as they would into a true PC motherboard that has a much broader audience. The economics just don't work out.