IBM 201 manual Integrated Ethernet adapter troubleshooting chart, Ethernet adapter problem

Integrated Ethernet adapter troubleshooting chart

Use Table 7 to find solutions to 10/100 Mbps integrated Ethernet adapter problems that have definite symptoms.

Table 7. Integrated Ethernet adapter troubleshooting chart

Ethernet adapter problem	Suggested Action
Ethernet Link Status light is	Check the following:
not On.	v Ensure that the hub is powered on.
	v Check all connections at the Ethernet adapter and the hub.
	v Check the cable. A crossover cable is required unless the hub has an X
	designation.
	v Use another port on the hub.
	v If the hub does not support auto-negotiation, manually configure the Ethernet
	adapter to match the hub.
	v If you manually configured the duplex mode, ensure that you also manually
	configure the speed.
	v Run diagnostics on the LEDs.
	If the problem remains, go to “Starting the diagnostic programs” on page 98 to run
	the diagnostic programs.
The Ethernet	Check the following:
Transmit/Receive Activity light	Note: The Ethernet Transmit/Receive Activity LED is On only when data is sent to or
is not On.	by this Ethernet adapter.
	v Ensure that you have loaded the network device drivers.
	v The network might be idle. Try sending data from this workstation.
	v Run diagnostics on the LEDs.
	v The function of this LED can be changed by device driver load parameters. If
	necessary, remove any LED parameter settings when you load the device drivers.
Data errors	Check the following:
	v Ensure that you are using Category 5 cabling when operating the NAS 200 engine
	at 100 Mbps.
	v Make sure that the cables do not run close to noise-inducing sources like
	fluorescent lights.
The Ethernet adapter stopped	Check the following:
working when another	v Ensure that the cable is connected to the Ethernet adapter.
adapter was added to the	v Ensure that the PCI system BIOS is current.
NAS 200 engine.	v Reseat the adapter.
	v Ensure that the adapter you are testing is supported by the NAS 200 engine.
	Go to “Starting the diagnostic programs” on page 98 to run the diagnostic programs.
The Ethernet adapter stopped	Check the following:
working without apparent	v Run diagnostics for the Ethernet adapter.
cause.	v Try a different connector on the hub.
	v Reinstall the device drivers. Refer to your operating-system documentation and to
	the User’s Reference information.
	If the problem remains, go to “Starting the diagnostic programs” on page 98 to run
	the diagnostic programs.

Chapter 7. Troubleshooting 63