Chipset

set of electronic components in an integrated circuit that manages the data flow between the processor, memory and peripherals

A chipset is an arrangement of several integrated circuits which fulfill a given task. When talking about computers, chipset is the name for an arrangement of circuits on a motherboard that supports a microprocessor.

Diagram of a motherboard. Items labelled "Northbridge" and "Southbride" and "Super I/O" are chipsets.