Troubleshooting with POST CardsFollow

A POST card is a diagnostic and troubleshooting device that is plugged into the expansion slots and tests the operation of the system as it boots up. These cards can be as direct memory access or they can be complex as ROM BIOS diagnostic tools that perform the advance level diagnostic tests. POST cards are generally used when the computer systems appear to be dead or the system is unable to read from the floppy or hard disk. The POST routines generally report two types of errors fatal and non fatal.

The fatal error stops and system and when the POST card observes non fatal errors, they should be read very carefully because the error code, which is indicated must be coordinated with the timing of the error message or beep code produced by the BIOS routines. Normally POST cards come with the LEDs (light-emitting diodes that produces code error signals and they identify any kind of problem.

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