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System Board
System Board Description
Chapter 2
32
Architectural View
LPC / FWH Link
850
Memory
Controller Hub
(MCH)
82850
1.5V
AGP
PRO
Connector
I/O Controller Hub
(ICH) 82801AA
MaxiLife
monitor-
ing chip
Serial
EEPROM
Dual Rambus Channel
SMBus
Address (36)
Control
Data (64)
ATA/100 2
channels
AGP 4x Bus
(133MHz
(1GB/sec data
transfer rate)
4 x USB
controller
LCD
status
panel
Parallel
and serial
ports
Socket 423
PS2
Keyboard,
PS2mouse,
and floppy
Slot 1 - 32-bit/33MHz
Slot 2- 32-bit/33MHz
Slot 3 - 32-bit/33MHz
HUB LINK 8
(266 MB/s data transfer
rate)
2 IDE
connectors
4 USB
connectors
FirmWare
Hub(FWH)
82802AA
USB
Super
I/O
NS 87364
SM Bus
controller
Fans
PCI Bus (32-bit, 33 MHz)
133 MB/s data transfer rate
AC’97
audio
controller
I/O Controller Hub2
(ICH2) 82801BA
PCI bridge
IDE
controller
3.2GB/s at
400MHz data
transfer rate
LPC
bridge
Slot 4 - 32-bit/33MHz
Slot 5 - 32-bit/33MHz
Four
onboard
RIMM
sockets
supporting
RDRAM
memory.
Intel Pentium IV
processor
100 MHz two-way
System Bus (Data
Bus runs at 4 x
100 MHz, 3.2 GB/s
transfer rate)
LAN
Interface