Intel DG33BU Product Guide - Page 17

LAN Subsystem, RJ-45 LAN Connector LEDs - motherboard drivers

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Desktop Board Features LAN Subsystem The LAN subsystem includes: • Intel® ICH9DH • Intel 82566DC Gigabit (10/100/1000 Mb/s) Ethernet LAN controller • RJ-45 LAN connector with integrated status LEDs The subsystem features: • CSMA/CD protocol engine • LAN connect interface between ICH9DH and the LAN controller • PCI bus power management Related Links: Go to the following link for information about LAN software and drivers: http://support.intel.com/support/motherboards/desktop RJ-45 LAN Connector LEDs Two LEDs are built into the RJ-45 LAN connector located on the back panel (see Figure 2). These LEDs indicate the status of the LAN. Figure 2. LAN Connector LEDs Table 3 describes the LED states when the board is powered up and the LAN subsystem is operating. Table 3. LAN Connector LEDs LED A B LED Color Green N/A Green Yellow LED State Off On Blinking Off On On Indicates LAN link is not established LAN link is established LAN activity is occurring 10 Mb/s data rate 100 Mb/s data rate 1000 Mb/s data rate 17

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Desktop Board Features
17
LAN Subsystem
The LAN subsystem includes:
•
Intel
®
ICH9DH
•
Intel 82566DC Gigabit (10/100/1000 Mb/s) Ethernet LAN controller
•
RJ-45 LAN connector with integrated status LEDs
The subsystem features:
•
CSMA/CD protocol engine
•
LAN connect interface between ICH9DH and the LAN controller
•
PCI bus power management
Related Links:
Go to the following link for information about LAN software and drivers:
RJ-45 LAN Connector LEDs
Two LEDs are built into the RJ-45 LAN connector located on the back panel (see
Figure 2).
These LEDs indicate the status of the LAN.
Figure 2.
LAN Connector LEDs
Table 3 describes the LED states when the board is powered up and the LAN
subsystem is operating.
Table 3. LAN Connector LEDs
LED
LED Color
LED State
Indicates
A
Off
LAN link is not established
Green
On
LAN link is established
Blinking
LAN activity is occurring
N/A
Off
10 Mb/s data rate
Green
On
100 Mb/s data rate
B
Yellow
On
1000 Mb/s data rate