600 Series Chipset Family Platform Controller Hub

Datasheet, Volume 1 of 2

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

I/O Signal Planes and States

Signal Name

Power Plane

During Reset1

Immediately after Reset 1

S4/S5

Deep Sx

CPUPWRGD

Primary

Undriven

Driven High

OFF

OFF

THERMTRIP#

Primary

Undriven

Undriven

OFF

OFF

PM_​SYNC

Primary

Driven Low

Driven Low

OFF

OFF

PM_​DOWN

Primary

Undriven

Undriven

OFF

OFF

PLTRST_​CPU#

Primary

Driven Low

Driven High

OFF

OFF

PECI

Primary

Undriven

Undriven

OFF

OFF

CPU_​GP[3:0]

Primary

Undriven

Undriven

Undriven

OFF

Notes:
  1. Reset reference for primary well pins is RSMRST#.