Lan Subsystem; Lan Status Leds - Intel BOXD2700MUD Product Manual

Intel Desktop Board D2700MUD Product Guide

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.
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
Activity (A) Green
N/A
Speed (B)
Green
Yellow
18
Figure 4. LAN Status LEDs
LED State Indicates
Blinking LAN activity is occurring.
Off 10 Mb/s data rate is selected.
On 100 Mb/s data rate is selected.
On 1000 Mb/s data rate is selected.