System Overview

2.4.2 Chipset

The chipset consists of a Graphics Memory Controller Hub (GMCH), an enhanced I/O controller hub (ICH), and a firmware hub (FWH). Table 2-3 compares the functions provided by the chipsets.

 

Table 2-3

 

Chipset Components

 

 

Components

Function

 

 

82915G/GV GMCH

Intel Graphics Media Accelerator 900 (integrated graphics controller)

 

PCI Express x16 graphics interface (915G only)

 

SDRAM controller supporting unbuffered, non-ECC PC2700/PC3200

 

DDR or PC2-3200/PC2-4300 DDR2 DIMMs (depending on model)

 

533-, or 800-MHz FSB

 

 

82801EB ICH6

PCI 2.3 bus I/F

 

PCI Express x1

 

LPC bus I/F

 

SMBus I/F

 

IDE I/F with SATA and PATA support

 

AC ’97 controller

 

RTC/CMOS

 

IRQ controller

 

Power management logic

 

USB 1.1/2.0 controllers supporting eight (8) ports

 

 

82802 FWH [1]

Loaded with HP/Compaq BIOS

NOTE:

[1] Or equivalent component.

Technical Reference Guide

361834-002

2-25