3Com EISA 10/100BASE-T User Manual

Contents

5-8 CHAPTER 5: PERFORMING TROUBLESHOOTING AND DIAGNOSTIC TESTSGetting Help If a Test FailsIf any test fails, you can get additional information as follows:n Select the test that failed in the Run Tests dialog box andpress [Enter].n Select the Zoom button and press [Enter].If the diagnostic tests fail, the adapter may not be defective.The problem may be incorrect option settings, optionsettings that conflict with the settings of other boards, orimproper installation. Follow the steps below to test theadapter further.CAUTION: Make sure to turn the power off and disconnect allcables from the adapter before inserting or removing it fromthe computer.1 Check the adapter installation by reviewing the installationinstructions in Chapter 2.Make sure the board is seated correctly in the slot.2 Inspect all cables and connections.Bus mastering is not supported in some EISA slots in allcomputers. The Fast EtherLink EISA adapter provides betterperformance in a bus master slot, but will work in a non-busmaster slot. Refer to your computer documentation.3 Make sure that you booted your computer underDOS version 3.1 or later, and that no device drivers ormemory managers are loaded.4 If you are running the Group 3 test, make sure that theadapter is connected to a properly cabled and inactivenetwork and that an echo server is set up on the network.5 Replace the failed adapter with a working adapter and runthe diagnostic tests again.