Datasheet

Product Description
11
1.1.2 Block Diagram
Figure 1 is a block diagram of the major functional areas of the board.
ATI IXP 450
Southbridge
ATI Radeon Xpress 200
Northbridge
4 Mbit
Firmware Hub
(FWH)
System Bus
(800/533 MHz)
LGA775
Processor Socket
Parallel ATA
IDE Connectors (2)
Diskette Drive
Connector
SMSC
SCH5017
Legacy
I/O
Controller
PS/2 Keyboard
PS/2 Mouse
Parallel Port
Serial Port
Parallel ATA
IDE Interface
LPC Bus
OM18245
Realtek
ALC861
Audio
Codec
Mic In [Front Panel]
Mic In or Center/LFE Out
Line Out [Front Panel]
LAN
Connector
Realtek
8101L
LAN Controller
= connector or socket
PCI Bus
SMBus
High Definition Audio Link
USB
Memory Bus
SMBus
PCI Slot 1
PCI Slot 2
Line In or Rear Left/Right Out
Line Out or Front Left/Right Out
Serial ATA IDE
Connectors (4)
Serial ATA
IDE Interface
VGA
Port
Display Interface
Channel A
DIMMs (2)
Back Panel/
Front Panel
USB Ports
PCI Express x4
Interface
PCI Bus
PCI Express x1 Slot 1 PCI Express x1 Interface
Figure 1. Block Diagram