Intel VC820 - Desktop Board Motherboard Design Manual page 18

Introduction
®
Figure 1-2. Intel 820 Chipset Platform Performance Desktop Block Diagram (with ISA Bridge)
Processor
82820
4X AGP Memory
AGP 2.0 Main
Controller Hub
Graphics
Memory
Controller (MCH)
Hub Interface
PCI Slots
4 IDE Drives
PCI Bus
2 USB Ports
82801AA ISA Bridge
AC'97 Codec(s) AC'97 2.1
(optional)
I/O Controller Hub ISA Slots
(optional)
(ICH)
Keyboard,
LPC I/F
Mouse, FD, Super I/O GPIO
PP, SP, IR
FWH Flash
BIOS
®
1-6 Intel 820 Chipset Design Guide