Intel® 700 Series Chipset Family On-Package Platform Controller Hub (PCH)

Datasheet, Volume 1 of 2
Supporting Raptor Lake - PX Platforms

ID 765585
Date 01/30/2023
Version 001
Document Table of Contents

GPIO Serial Expander

GPIO Serial Expander (GSX) is the capability provided by the PCH to expand the GPIOs on a platform that needs more GPIOs than the ones provided by the PCH. The solution requires external shift register discrete components.