600 Series Chipset Family Platform Controller Hub

Datasheet, Volume 1 of 2

ID 648364
Date 05/10/2022
Document Table of Contents

GPIO Ownership

Any PCH GPIO can be owned by the host, the Intel® CSME, or ISH depending on how the pin ownership being programmed. The programmed agent will then own the pin exclusively. For example, when a GPIO pad ownership is programmed to the Intel CSME or ISH, the host software no longer has access to the pin programming.