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Ethernet Interface
The EBX-22 features two Intel 82551ER Fast Ethernet controllers on-board. While these
controllers are not NE2000-compatible, they are widely supported. Drivers are readily available
to support a variety of operating systems.
BIOS C
ONFIGURATION
Each Ethernet controller can be enabled or disabled in CMOS Setup. Ethernet interface 0 (J12)
uses PCI interrupt INTC#. CMOS Setup is used to select the IRQ line routed to each PCI
interrupt line. Ethernet interface 1 (J5) uses PCI interrupt INTD#.
S
LED
TATUS
Each Ethernet controller has a two-colored LED located next to its RJ-45 connector to provide an
indication of the Ethernet status as follows:
Green LED (Link):
Yellow LED (Activity):
EBX-22 Reference Manual
ON
Active Ethernet cable plugged in
OFF
Active cable not plugged in
or cable not plugged into active hub
ON
Activity detected on cable
OFF
No Activity detected on cable
Interfaces and Connectors
47
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