Chapter 1: Introduction
1-9
Introduction
1-2
Chipset Overview
Built upon the functionality and the capability of the 7520 Lindenhurst
chipset, the X6DHP-8G2/X6DHP-iG2 motherboard provides the performance
and feature set required for dual processor-based servers, with configura-
tion options optimized for communications, presentation, storage, computa-
tion or database applications. The Intel E7520 (Lindenhurst) chipset con-
sists of the following components: the Lindenhurst Memory Controller Hub
(MCH), the ICH5R I/O Controller Hub, and the Intel PCI-X Hub (PXH).
The E7520 MCH supports single or dual Xeon EMT64 (Nocona) processors
with Front Side Bus speeds of 800 MHz. Its memory controller provides
direct connection to two channels of registered DDR-II 400 with a marched
system bus address and data bandwidths. The E7520 also supports the
new PCI high speed serial I/O interface for superior I/O bandwidth. The
MCH interfaces with the ICH5R I/O Controller Hub (ICH5R) via a dedicated
Hub Interface. The PXH provides connection between a PCI interface and
two independent PCI bus interfaces that can be configured for standard PCI
-X 1.0 protocol.
ICH5R System Features
In addition to providing the I/O subsystem with access to the rest of the
system, the ICH5R I/O Controller Hub integrates many I/O functions.
The ICH5R I/O Controller Hub integrates: 2-channel Ultra ATA/100 Bus Mas-
ter IDE Controller, two Serial ATA (SATA) Host w/RAID0, RAID1 support,
SMBus 2.0 Controller, LPC/Flash BIOS Interface, PCI 2.2 Interface and Sys-
tem Management Controller.
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