A computer motherboard's bus speed has no effect on the installed CPU's speed. In a computer, the motherboard and the CPU are two separate components and do not impact the performance of one another.

The bus in a PC is the common hardware interface between the CPU and peripheral devices. Parallel buses with multiple lines (wires) were superseded by serial versions, which use one line for data.

CXL is a CPU-to-device and CPU-to-memory interconnect that allows a processor in one server to speak directly to the memory ...

Apple recently made available the Developer Notes for the new PowerBook models. This documentation reveals that the 15" and 17" models (but not the 12" model) support processor/bus"slewing ...