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Low Pin Count

The Low Pin Count (LPC) bus is a computer bus used on IBM-compatiblepersonal computers to connect low-bandwidth devices to the CPU, such as the BIOS ROM (BIOS ROM was moved to the Serial Peripheral Interface (SPI) bus in 2006), "legacy" I/O devices (integrated into Super I/O, embedded controller, CPLD, and/or IPMI chip), and Trusted Platform Module (TPM).

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