Intel D2550MUD2 Product Guide

Intel Desktop Board D2550MUD2 Product Guide
18
LAN Subsystem
The LAN subsystem consists of the following:
• Intel NM10 Express Chipset
• Intel 82574L Gigabit Ethernet Controller for 10/100/1000 Mb/s Ethernet LAN
connectivity
• RJ-45 LAN connector with integrated status LEDs
Additional features of the LAN subsystem include:
• CSMA/CD protocol engine
• LAN connect interface that supports the Ethernet controller
• Conventional PCI bus power management
 Supports ACPI technology
 Supports LAN wake capabilities
LAN drivers are available from Intel’s World Wide Web site at
http://downloadcenter.intel.com/
.
Two LEDs are built into the RJ-45 LAN connector located on the back panel (see
Figure 4). These LEDs indicate the operating states of the LAN.
Figure 4. LAN Status LEDs
Table 4 describes the LED states when the board is powered up and the LAN
subsystem is operating.
Table 4. LAN Status LEDs
LED LED Color LED State Indicates
Activity (A)
Green
Blinking
LAN activity is occurring.
Speed (B)
N/A
Off
10 Mb/s data rate is selected.
Green
On
100 Mb/s data rate is selected.
Yellow
On
1000 Mb/s data rate is selected.

Intel D2550MUD2 Specifications

General

Brand	Intel
Model	D2550MUD2
Category	Motherboard
Language	English