Desktop Board Features

Legacy Input/Output (I/O) Controller

The I/O controller features the following:

•Consumer Infrared (CIR) support

•Low pin count (LPC) interface

•One serial port interface via an onboard header

•Serial IRQ interface compatible with serialized IRQ support for PCI systems

•Intelligent power management, including a programmable wake up event interface

•PCI power management support

LAN Subsystem

The LAN subsystem includes:

•Intel ICH9R

•Intel 82566DC Gigabit (10/100/1000 Mb/s) Ethernet LAN controller

•RJ-45 LAN connector with integrated status LEDs

The subsystem features:

•CSMA/CD protocol engine

•LAN connect interface between ICH9R and the LAN controller

•PCI bus power management

Related Links:

Go to the following link for information about LAN software and drivers: http://support.intel.com/support/motherboards/desktop

RJ-45 LAN Connector LEDs

Two LEDs are built into the RJ-45 LAN connector located on the back panel (see Figure 2). These LEDs indicate the status of the LAN.

Figure 2. LAN Connector LEDs

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Intel DG33TL manual Legacy Input/Output I/O Controller, LAN Subsystem, RJ-45 LAN Connector LEDs