Boot up the system and start the selected diagnostic program if possible. Try to use a diagnostic program that deals with the system board components. It should include memory, microprocessor, interrupt, and DMA tests.
Run the programs system board tests function and perform the equivalent of the all test function. These types of tests are particularly good for detecting memory errors, as well as interrupt and DMA conflicts. Note all the errors indicated by the tests. If a single type of error is indicated, you might be able to take some corrective actions, such as replacing a memory module or re-configuring interrupt/DMA settings, without replacing the system board. If more complex system board problems are indicated, however, exit the diagnostic program and use the following hardware checks and installation/removal procedure to troubleshoot and replace the system board.
You can use the DOS MEM command (MEM.EXE) to view the system's memory utilization scheme. It displays bothe the programs currently loaded into memory, and the systems free memory areas. You can use the /C switch with the MEM command as a valuable tool to sort out TSR conflicts in upper memory. Likewise, you can add a /D switch to the MEM command to view detailed information about memory usage. This switch gives very detailed information about all items stored in memory.
Run the programs system board tests function and perform the equivalent of the all test function. These types of tests are particularly good for detecting memory errors, as well as interrupt and DMA conflicts. Note all the errors indicated by the tests. If a single type of error is indicated, you might be able to take some corrective actions, such as replacing a memory module or re-configuring interrupt/DMA settings, without replacing the system board. If more complex system board problems are indicated, however, exit the diagnostic program and use the following hardware checks and installation/removal procedure to troubleshoot and replace the system board.
You can use the DOS MEM command (MEM.EXE) to view the system's memory utilization scheme. It displays bothe the programs currently loaded into memory, and the systems free memory areas. You can use the /C switch with the MEM command as a valuable tool to sort out TSR conflicts in upper memory. Likewise, you can add a /D switch to the MEM command to view detailed information about memory usage. This switch gives very detailed information about all items stored in memory.
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