Intel Desktop Board DX48BT2 Product Guide
LAN Subsystem
The LAN subsystem includes:
•Intel ICH9R
•Intel 82566DC Gigabit (10/100/1000 Mb/s) Ethernet LAN controller
•
The subsystem features:
•CSMA/CD protocol engine
•LAN connect interface between ICH9R 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
Two LEDs are built into the
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 |
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A | Green | Off | LAN link is not established |
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| On | LAN link is established |
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| Blinking | LAN activity is occurring |
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B | N/A | Off | 10 Mb/s data rate |
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| Green | On | 100 Mb/s data rate |
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| Yellow | On | 1000 Mb/s data rate |
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