Intel D2550DC2 Product guide for Intel Desktop Board D2550DC2 - Page 17

LAN Subsystem - driver

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Desktop Board Features 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 Activity (A) Speed (B) LED Color Green N/A Green Yellow LED State Blinking Off On On Indicates LAN activity is occurring. 10 Mb/s data rate is selected. 100 Mb/s data rate is selected. 1000 Mb/s data rate is selected. 17

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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
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.
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.