Appendix A. Troubleshooting

This section contains information on troubleshooting for the network adapter and modem.

Troubleshooting network adapter

The following table describes troubleshooting for the network adapter.

Problem

Action

 

 

The Combo card

v Make sure that the cable is installed properly. The network

can’t connect to the

 

cable must be securely attached to the Ethernet connector and

Network.

 

 

hub. The maximum allowable distance from adapter to hub is

 

 

 

 

100 meters. If the problem persists though the cable is attached

 

 

and the distance is within acceptable limits, try a different

 

 

cable. If you’re directly connecting two computers without a

 

 

hub or a switch, use a crossover cable.

 

v Make sure that you’re using the correct device drivers.

 

v Make sure that you’re using the device drivers that come with

 

 

the Combo card.

 

v Make sure that the switch port and the adapter have the same

 

 

duplex setting. If you configured the adapter for full duplex,

 

 

make sure that the switch port is also configured for full

 

 

duplex. Setting the wrong duplex mode can degrade

 

 

performance, cause data loss, or result in lost connections.

 

 

 

The connection

v

At 100 Mbps, use Category 5 wiring and make sure that the

fails or errors

 

network cable is securely attached.

occur.

 

v

At 100 Mbps, connect to a 100BASE-TX hub/switch (not

 

 

 

100BASE-T4).

 

v Make sure that the duplex mode setting on the adapter matches

 

 

the setting on the switch.

 

 

The adapter

v The network driver files may be corrupt or missing. Remove

stopped working

 

the drivers and then reinstall them.

without apparent

 

 

 

cause.

 

 

 

 

The Wake on LAN

v Check the BIOS for its WOL setting.

(WOL) feature is

v Make sure that the network cable is fully attached to the

not working.

 

 

adapter.

Resuming normal

v This is not a problem. If you have not connected the network

operation from

 

cable, the computer queries the Ethernet until the timeout timer

hibernation or

 

 

is reached. Connect the network.

suspend mode

 

 

 

takes a long time.

 

 

 

 

 

© Copyright IBM Corp. 2001

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IBM PRO/100 SP manual Appendix A. Troubleshooting, Troubleshooting network adapter