Troubleshooting
Intel® Workstation Board S5520SC Service Guide 45
2. If your system has LED lights for the fans, is one or more of these LEDs lit?
3. Are any other front panel LEDs lit?
4. Have any of the fan motors stopped? Use the server management subsystem to check the fan status.
5. Have your fans speeded up in response to an overheating situation?
6. Have your fans speeded up in response to a fan that failed?
7. Are the fan power connectors properly connected to the workstation board?
8. Is the cable from the front panel board connected to the both the front panel board and to the workstation board?
9. Are the power supply cables properly connected to the workstation board?
10. Are there any shorted wires caused by pinched-cables or have power connector plugs been forced into power connector
sockets the wrong way?
CD-ROM Drive or DVD-ROM Drive Activity Light Does Not Light
Check the following:
1. Are the CD-ROM/DVD-ROM drive’s power and signal cables properly installed?
2. Is the drive properly configured?
Cannot Connect to a Server
1. Make sure the network cable is securely attached to the correct connector at the system back panel.
2. Try a different network cable.
3. Make sure you are using the correct and current drivers. See “Additional Information and Software” for a link to the
current drivers.
4. Make sure the driver is loaded and the protocols are bound.
5. Make sure the hub port is configured for the same duplex mode as the network controller.
6. Make sure the correct networking software is installed.
7. If you are directly connecting two servers (without a hub), you must have a crossover cable.
8. Check the network controller LEDs next to the NIC connectors.
Problems with Network
The server hangs when the drivers are loaded
Certain drivers may require interrupts that are not shared with other PCI drivers. For these drivers, you may need to alter
settings so that interrupts are not shared. See the documentation that came with your PCI card(s) for information on
changing interrupts.
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