Description for debug card with 2 digits display A shortcut to all your hardware problems. Plug in to the pci or isa slot and it will conduct a complete hardware diagnostic test to detect the defective hardware. Features: A shortcut to all your hardware problems! just plug into the pci or isa slot and it will conduct a Complete hardware diagnostic test to detect the defective hardware in no time. The purpose of the debug card is to make the difficult troubleshooting procedure easier and quicker. This debugging card will assist any technicians (from novice to advance users) in accurately and Conveniently locating their hardware problems faster, cutting down the troubleshooting time Drastically simply by displaying an easy to follow post (power on self test) code on its display. Installation guide: Quick and easy to install into an open pci or isa slot of your pc motherboard. Easy to read led display on the display. Will assist in revealing where problem is while troubleshooting. Can be used to identify whether cpu or motherboard is defective. Will help to determine if the memory is faulty. Able to pinpoint whether the video card is problematic. 6 leds that can hint whether power supply is failing. Simple to follow post code table for problem description. Drastically reduce troubleshooting time. Helpful to both novices and experienced users alike. Support: All types of motherboards with pci and isa interface of pc. In anti-static polybag.