User's Manual

Intel
®
820 Chipset Design Guide 1-7
Introduction
Figure 1-3. Intel
®
820 Chipset Platform Dual-Processor Performance Desktop Block Diagram
Main
Memory
blk3
PCI Bus
82820
Memory
Controller Hub
(MCH)
ISA Bridge
(optional)
4X AGP
Graphics
Controller
Hub Interface
2 USB Ports
4 IDE Drives
AC'97 Codec(s)
(optional)
AC'97 2.1
LPC I/F
Super I/O
Keyboard,
Mouse, FD,
PP, SP, IR
PCI Slot
s
ISA Slot
s
AGP 2.0
Processor Processor
Optional 2-Way/MP
82801AA
I/O Controller Hub
(ICH)
GPIO
FWH Flash
BIOS