Technical Details for Startech PCI Post Diagnostics Test Card

Startech PCI Post Diagnostics Test Card ... card reports any problems in the form of error codes on it's LED display. These codes are then cross-referenced to the enclosed error code chart to pinpoint the cause of the problem. PC technicians and system builders can save hours of troubleshooting time and prevent non-defective parts from being replaced.

You may have to refer to your motherboard manufacturer's manual for motherboard specific error diagnostic codes.