IBM 704 - Manual (Page 273)

Troubleshooting the 100/10 PCI Ethernet Adapter
Adapter Problem Action
Data is corrupted or
sporadic. Make sure that you are using Category 5 cabling
when operating at 100 Mbps.
The Ethernet adapter
stopped working when
another adapter was added
to the server. Check the following:
Make sure that the cable is connected to the
Ethernet adapter.
Make sure that your PCI system BIOS is current.
Reseat the adapter (see “Installing Adapters” on
page 143).
The adapter stopped
working without apparent
cause. Check the following:
Reseat the Ethernet adapter or try a different
connector.
Reinstall the device drivers (see your
operating-system documentation and your
ServerGuide instructions, if you used
ServerGuide to install your operating system).
Use a different Ethernet adapter.
Chapter 5. Solving Problems 255