Desktop Board Features
17
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 3). These LEDs indicate the operating states of the LAN.
Figure 3. 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.
N/A Off 10 Mb/s data rate is selected.
Green On 100 Mb/s data rate is selected.
Speed (B)
Yellow On 1000 Mb/s data rate is selected.
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