IBM 8649 Hardware Maintenance Manual - Page 41

Table 4. Ethernet troubleshooting chart (continued) Ethernet controller problem FRU/actions The Ethernet controller stopped working when another adapter was added to the server. Check the following: v Make sure that the cable is connected to the Ethernet controller. v Make sure that your PCI system BIOS code is current. v Reseat the adapter. v Determine if the interrupt (IRQ) setting assigned to the Ethernet adapter is also assigned to another device in the system. Use the Configuration/Setup Utility program to determine if this is the case. Although interrupt sharing is allowed for PCI devices, some devices do not function well when they share an interrupt with a dissimilar PCI device. Try changing the IRQ assigned to the Ethernet adapter or the other device. v Reseat or replace the adapter. The Ethernet controller Check the following: stopped working without v Try a different connector on the hub. apparent cause. v Reinstall the device drivers. See your operating-system documentation and the ServerGuide information. v Reseat or replace the adapter. Ethernet controller messages The integrated Ethernet controller might display messages from certain device drivers. The latest information available concerning these messages will be made available at the IBM Support Web site at http://www.ibm.com/support. Chapter 3. Diagnostics 31