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OptiPlex G1の取扱説明書・マニュアル [全174ページ 1.59MB]

Dell Diagnostics: Dell OptiPlex GX1 Small-Form-Factor System User's Guidefile:///C|/infodev/2013/eDoc/OpGX1/UG/diag.htm [2/21/2013 11:47:14 AM]Places the controller into its various internal loopback modes and tests its ability to transmit andreceive data.NOTE: For some controllers, this test is not applicable.External Loopback TestPlaces the controller into its various external loopback modes and tests its ability to transmit andreceive data. A loopback plug is required to perform this test.NOTE: For some controllers, this test is not applicable.Shared RAM TestPerforms a memory test on controllers with memory-mapped shared RAM. On controllers withfirst-in first-out (FIFO)-shared RAM, writes a data pattern to all locations and reads the patternback to verify the operation. Some controllers do not support shared RAM tests.Display InformationDisplays addresses and configuration information about the NIC. This information includes thenetwork address used for communication on the local area network (LAN).Why Run a Network Interface Test?Running a subtest in the Network Interface Test Group helps diagnose problems that may be encounteredwhile the system is operating in a network environment. Most network failures are caused by one of thefollowing:Poor network connectionsFailure in the controllerInterrupt conflict (the controller trying to use the same IRQ line as another device)Software configuration errorIf a problem occurs while the system is operating in a network, the network connection should be inspected.If the connection is good, the Network Interface Test Group can be run to indicate whether the NIC isfunctioning, and if the test group is run in a loop, it can be used to detect intermittent failures.The Registers Test subtest checks the interrupt generation capability of the controller. The DisplayInformation Test displays the controller's IRQ level. You can then make sure there is not an interrupt conflictby verifying that the IRQ level is not being used by another device in the system.Audio Test GroupThe subtests in the Audio Test Group check the functions of the audio controller and the computer'srecording and playback features.

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