Intel® Pentium® Silver and Intel® Celeron® Processors

Datasheet, Volume 1 of 2

ID 633935
Date 12/27/2022
Document Table of Contents
DSP

PCI Express* Port / Controller Mapping

Controller

Signal Name (External Port No.)

PCIe* Port No. Reported in Root Port Registers (Controller Port No.)

Default Root Port Device: Function

SPB (4x1, 2x2, 1x2 + 2x1, or 1 x4)

PCIE_​1

5

Device 28:Function 4

PCIE_​2

6

Device 28:Function 5

PCIE_​3

7

Device 28:Function 6

PCIE_​4

8

Device 28:Function 7

SPA (4x1, 2x2 or 1x2 + 2x1)

PCIE_​5

1

Device 28:Function 0

PCIE_​6

2

Device 28:Function 1

PCIE_​7

3

Device 28:Function 2

PCIE_​8

4

Device 28:Function 3