1-5

Chapter 1: Introduction

Figure 1-1. Intel 5520 Chipset:

System Block Diagram

Note: This is a general block diagram. Please see Chapter 5 for details.

CPU #2
CPU #1
QPI
#1
#1
#1
#2
DDR3 DIMM
#2
#2
DDR3 DIMM
#1
#1
#1
DDR3 DIMM
#2
#2
#2
DDR3 DIMM
C
C
A
A
B
B
DD
EE
F
F
Intel 5520
IOH36D
Link1
ICH10R
ESI
PE
4-1
PE
5
Winbond
BMC/VGA
VGA CONN
DDR II
PCI
SATA 1
SATA 2
SATA 3
SATA 4
SATA
LPC
SPI
SST25
VF016
CLINK
CLINK
DMI

AD17

IRQC

REQ1

GNT1

RTL8201N PHY
Dedicated LAN
LPCIO W83527
ACPI
KBC
SATA 5
SATA 6

RMII

PCI-E x16
PCI-E x16
PCI-E x16
PCI-E x16
Ports
#7-10
Ports
#3-6
Ports
#1-2
PCI-E x4
Intel
82576
RJ45
PCI-E x16
RJ45
Link0