3 characters are distorted or incorrect, 4 system cooling fans do not rotate properly, 5 cannot connect to a server – Kontron NSC2U IP Network Server User Manual

Page 129: 6 diagnostics pass but the connection fails, Characters are distorted or incorrect, System cooling fans do not rotate properly, Cannot connect to a server, Diagnostics pass but the connection fails

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Kontron IP Network Server NSC2U

December 2009

Product Guide, rev. 1.4

129

 Make sure the processor complies with the system requirements.

 Remove the processor and re-seat it.

7.4.3

Characters are Distorted or Incorrect

Check the following:

 Are the brightness and contrast controls properly adjusted on the video monitor?

See the manufacturer’s documentation.

 Are the video monitor’s signal and power cables properly installed?

 Does this video monitor work correctly if plugged into a different system?

7.4.4

System Cooling Fans do not Rotate Properly

If the system cooling fans are not operating properly, it is an indication of possible

system component failure.

Check the following:

 Is the power-on light lit? If not, see

Section 7.4.1

,

“Power Light does not Light”

.

 Are any other front panel LEDs lit?

 Have any of the fan motors stopped? Use the server management subsystem to

check the fan status.

 Have the fans sped up in response to an overheating situation?

 Have the fans sped up in response to a fan that has failed?

 Are the fan power connectors properly connected to the SFP board?

 Is the cable from the front panel board connected to the both the front panel board

and to the server board?

 Are the power supply cables properly connected to the SFP board?

 Are there any shorted wires caused by pinched-cables or have power connector

plugs been forced into power connector sockets the wrong way?

7.4.5

Cannot Connect to a Server

 Make sure the network cable is securely attached to the correct connector at the

system back panel.

 Try a different network cable.

 Make sure you are using the correct and the current drivers. Go to

http://us.kontron.com/support/

for a link to the drivers.

 Make sure the driver is loaded and the protocols are bound.

 Make sure the hub port is configured for the same duplex mode as the network

controller.

 Make sure the correct networking software is installed.

 If you are directly connecting two servers (without a hub), you will need a

crossover cable.

7.4.6

Diagnostics Pass but the Connection Fails

 Make sure the network cable is securely attached.

 Make sure you specify the correct frame type in your NET.CFG file.

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