82845G Datasheet, PDF (16/193 Pages) Intel Corporation – Intel 82845G/82845GL/82845GV Graphics and Memory Controller Hub (GMCH)

Introduction
Figure 1-1. Intel^® 845G Chipset System Block Diagram
Processor
AGP 4x
Or
2 Intel^® DVO
Ports
VGA
1.06 GB/s
845G Chipset
System Bus
400/533 MHz
Intel^® 82845G
Graphics and
Memory Controller
Hub (GMCH)
System Memory
Interface
Hub
Interface
DDR-
SDRAM
Or
PCI133
SDRAM
1.6 / 2.1 GB/s
1.06 GB/s
4 IDE Devices
UltraATA/100
6 USB Ports,
3UHCI, EHCI
AC '97 Codec(s)
(optional)
AC'97 2.3
Intel^® 82801DB
I/O Controller Hub 4
(ICH4)
PCI Bus
PCI
Slots
PCI
Agent
LAN Connect
Debug Port
GPIO
LPC I/F
Super I/O
SMBus
SMBus
Devices
Keyboard,
Mouse, FD, PP,
SP, IR
FWH Flash
BIOS
blk G
16
Intel^® 82845G/82845GL/82845GV GMCH Datasheet