Features: The A1105 Upgraded Diagnostic debuging Card efficiently identifies motherboards faults via color codeds LED indicators, including CPU, DRAM, VGA, and hdds/PCHs module errors for comprehensive systems analysis. Features standbys 3VSB power display, clock signals visualization through blinking decimals point, and PCIe resets statuses monitoring with clear digitals tube indicators. for PC technicians, hardware engineers, and enthusiasts requiring precise motherboards diagnostics during computer assembly or repair processes. Essential for troubleshooting workstations, servers maintenance, or home builts PC to isolate failures in CPU, memory module, graphics cards, and storage interfaces. This PCBs baseds diagnostic tool provides real time hardware statuses feedbacks through dedicated error code displays, streamlining complex motherboards debugging tasks with instants visual alerts. Specifications: Materials: PCBs Size:10x6x0.50cm Package Includes: 1PC A1105 debuging Card note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.