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Table 3-1. Troubleshooting an Installation (Continued)
Problem
The 100 Mb/s mode has been
selected, but the 100 Mb/s
LED is not lit.
The Ethernet speed does not
change automatically.
The PMC is preventing the
system from operating
correctly.
Gigabit Ethernet/82543 PMC Installation and Use
Probable Cause
A CD signal could not be
detected because the network
cable is loose, disconnected,
or connected to a device that
does not support 100 Mb/s
mode.
Operating system settings are
not set correctly.
The network cable is loose.
The PMC is faulty.
A conflict exists with another
module.
Corrective Action
Check that the network cable
is connected to the network
port, that the connection is
secure, and that the connected
device supports 100 Mb/s
mode.
Check whether the operating
system setting for the Ethernet
speed is 10, 100, or 1000 Mb/s
or is set for automatic speed
selection.
Configure network ports
explicitly for the correct speed
and duplex for the connected
device.
Secure the cable.
Disconnect the network cable
from the PMC. Turn off the
system, re-seat the PMC, and
turn the system on again. If
the problem persists, contact
your system administrator or
authorized Motorola
distributor.
Enable the PMC slot for bus
mastering.
Check that the slot is enabled.
A
A-3
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