Welcome to our shop! 1. PCI ISA Interface: This PC diagnostic card uses standard PCI and ISA interfaces, easy access to desktop computers. 2. 4-Digit Display: This PC motherboard uses a 4-digit display; the first two digits indicate the current error code, and the last two digits indicate the previous error code. 3. Strong Compatibility: This 4-digit PC diagnostic card is compatible with all types of motherboards with PCI and ISA bus slots. Suitable for any computer with a PCI or ISA interface. 4. Dual POST Code Display: This motherboard diagnostic card has a self-testing remote display function and dual POST code display, making it easy to see the POST code. 5. High Reliability: The POST code display consists of a dual-point matrix hexadecimal readout showing Power On Self Test (POST) status codes. Item Type: PC Diagnostic Card Material: PVC Purpose: Computer Motherboard Repair Tool Specifications: Made of all SMD components, does not hurt hands, LCD character display. Applicable People: Professional motherboard repairers, those purchasing old motherboards. It can diagnose more than 200 common motherboard faults and provide corresponding solutions according to the manual. Package Includes: 1 x PC Diagnostic Card 1 x Cable 1 x Instruction Manual Customers are our top priority. If you discover any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.