600 Series Chipset Family Platform Controller Hub

Datasheet, Volume 1 of 2

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

Signal Description

Signal Name

Type

Description

CPUPWRGD

O

Signal to the processor to indicate its primary power is good.

THERMTRIP#

I

Signal from the processor to indicate that a thermal overheating has occurred.

PM_​SYNC

O

Power Management Sync: State exchange from the PCH to the Processor

PM_​DOWN

I

Power Management Sync: State exchange from the Processor to the PCH

PLTRST_​CPU#

O

Platform reset to the Processor

PECI

I/O

Single-wire serial bus for accessing processor digital thermometer

GPP_​E3 / CPU_​GP0

I

Thermal management signal

GPP_​E7 / CPU_​GP1

I

Thermal management signal

GPP_​B3 / CPU_​GP2

I

Thermal management signal

GPP_​B4 / CPU_​GP3

I

Thermal management signal