Intel® 500 Series Chipset Family On-Package PCH Datasheet Volume 1

Datasheet

ID 631119
Date 13/07/2021 00:00:00
Public Content
Document Table of Contents

I/O Signal Planes and States

Power Plane and States for PCI Express* Signals 

Signal Name

Type

Power Plane

During Reset2

Immediately After Reset2

S4/S5

Deep Sx

PCIE_​TXP

PCIE_​TXN

O

Primary

Internal Pull-down

Internal

Pull-down

Internal Pull-down

Off

PCIE_​RXP

PCIE_​RXN

I

Primary

Internal Pull-down

Internal

Pull-down

Internal Pull-down

Off

PCIE_​RCOMPP

PCIE_​RCOMPN

I

Primary

Undriven

Undriven

Undriven

Off

Notes:
  1. PCIE_​RXP\RXN pins transition from un-driven to Internal Pull-down during Reset.
  2. Reset reference for primary well pins is RSMRST#.