Note: This product is a professional maintenance product. Do not use it if you 't understand it. Inserting the wrong port may cause the diagnostic card to burn. In addition, there are many kinds of motherboards in the world. The diagnostic card is not compatible with all motherboards. If the diagnostic card is not compatible with the test motherboard, the diagnostic card will not run out of codes, the motherboard problem cannot be diagnosed. It is not that the diagnostic card cannot work. Colour: Black Material: PCB board + electronic components TL631 Pro interface description: 1: LPC1 shared high-speed channel = connect to the motherboard 2.0 small pin interface, 2.0 module (Module expansion LPC3 interface can connect notebook MINI PCIE conversion card, A-DEBUG conversion card, notebook DEBUG-CON. EC-DEBUG). 2:PCI high-speed channel = support all PCI slots. 3:LPC2 shared high-speed channel = connect to the motherboard 2.54 pin interface, COM-DEBUG. UART1, , -SPl. 4:PCIE X1 high-speed channel = support without PCI motherboard (other do not support). 5:3VSB power indicator, to detect whether the power is normal. 6: reset indicator, to detect whether the motherboard reset is normal (only when PCI or PCIE is inserted) 7:CPU indicator light, to detect whether the CPU module is normal. 8:DRAM memory indicator, to detect whether the memory module is normal. 9:VGA graphics indicator light, to detect whether the graphics card module is normal. 10:PCH south bridge indicator light, to detect whether the south bridge module is normal. 11:DP decimal point, CLK signal display. 12:DP decimal point, FRAME frame signal display. 13:threading hole Package Contents: 1 x TL631 Pro Diagnostic Card 1x 2.0 modules 1 x wire Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.