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MCH - Memory Controller Hub

Short for Memory Controller Hub, MCH is an implementation of the Accelerated Hub Architecture (ACHA), this is the faster end of the ACHA, often referred to as the Northbridge, a reference to the older three-tier chipset design. The MCH provides the system bus interface, memory controller, AGP interface, and hub interface for I/O.

Intel Hub Architecture

[Image Source: INSIDE THE PC, Nigel S. Smith, University of Cambridge Computing Service]










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