Desktop Board Features
15
LAN Subsystem
The LAN, based on the RealTek RTL8102EL Ethernet Controller, provides the following
functions:
10/100 Mb/s Ethernet LAN
Support for RJ-45 connector with status indicator LEDs
Programmable transit threshold
Configurable EEPROM that contains the MAC address

LAN Subsystem Software

For LAN software and drivers, refer to the D945GCLF link on Intel’s World Wide Web
site at http://support.intel.com/support/motherboards/desktop.

LAN Status LEDs

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 3 describes the LED states when the board is powered up and the LAN
subsystem is operating.
Table 3. LAN Status LEDs
LED LED Color LED State Indicates
Activity (A) Green Blinking LAN activity is occurring.
N/A Off 10 Mbits/s data rate is selected. Speed (B)
Yellow On (steady state) 100 Mbits/s data rate is selected.