Functional Description
COMX-CAR-610 COM Express Carrier Board Installation and Use (6806800K26D)
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4.4
LAN
There are two Gigabit Ethernet ports: one is routed from the COM Express connector, and the
other from WG82574L. The RJ-45 connectors are located on the board and both support
100/1000 Base T.
The LAN connectors have two integrated LEDs. When the green LED is OFF, it indicates that
LAN link is not established. When it is ON, it indicates that a LAN link is established. When it
"blinks," it indicates LAN link activity. A second green LED shall BLINK indicating the activity
state of 100Mbps or 1000Mbps LAN.
For information on pin assignments, see
.
4.5
PCI Express
The board has one x1 PCI-E slot and and one x16 PCI-E slot. The x16 PCI-E slot can be used for
PCI Express Graphics (PEG). There are also two x4 PCI-E slots. One of the x4 slots can be used
for other applications by using PCI-E multiplexer devices.
For information on pin assignments, see
.
Figure 4-2
PCI Express Block Diagram