[ The PC Guide | Systems and Components Reference Guide | Motherboard and System Devices | The Motherboard | Motherboard Integrated Components ]

The keyboard controller does what the name implies. It also controls the built-in PS/2 port, if it exists on the motherboard. On some newer PCs, this controller is in fact further integrated into the Super I/O controller chip, so your motherboard may not have a separate chip for it. It is discussed here.

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