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Intel
®
820E Chipset
R
Design Guide 19
Figure 3. Intel
®
820E Chipset Platform Dual-Processor Performance Desktop Block Diagram
I/O Controller Hub
Intel
®
82801BA
(ICH2)
Main
Memory
(Direct RDRAM*)
sys_blk_2P_820E
Intel
®
8
2
8
2
0
M
e
m
o
r
y
Controller Hub
(MCH)
4x AGP
Graphics
Controller
Hub
Interface
UltraATA/100/66/33
FWH Flash
BIOS
AGP 2.0
Intel
®
820E Chipset
GPIO
4 IDE Drives
SMBus/I
2
C
System Management (TCO)
Clock Generators
Power Management
Intel
®
Pentium
®
III
Processor
Intel
®
Pentium
®
III
Processor
LPC I/F
Super I/O
Other ASICs
(optional)
4 USB Ports; 2 HC
AC'97 Codec(s)
(optional)
AC'97 2.1
LAN Connect
PCI Bus
PCI
Slots