ISBN: | 978-5-5141-1401-6 |
High Quality Content by WIKIPEDIA articles! The Platform Controller Hub (PCH) is a family of Intel microchips. I/O Functions have been reassigned between the PCH, a new central hub, and the CPU. Some northbridge functions, the memory controller and PCI-e lanes, were integrated into the CPU while the PCH took over the remaining functions in addition to the traditional roles of the southbridge.