13th Generation Intel® Core™ and Intel® Core™ 14th Generation Processors

Datasheet, Volume 1 of 2
Supporting 13th Generation Intel® Core™ Processor for S/P/PX/H/HX/U and S-Refresh Processor Line Platforms, formerly known as Raptor Lake and Raptor Lake Refresh

ID Date Version Classification
743844 10/17/2023 Public

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I/O Emulation-Based On-Demand Mode

I/O emulation-based clock modulation provides legacy support for operating system software that initiates clock modulation through I/O writes to ACPI defined processor clock control registers on the chipset (PROC_​CNT). Thermal throttling using this method will modulate all processor IA cores simultaneously.