Function: 1. PCI ISA interface: This computer diagnostic card adopts standard PCI and ISA interface, easy access do desktop computer. 2. 4-digit display: This PC computer motherboard has a 4-digit display, the first 2 digits indicate the current error code, and the last 2 digits indicate the previous error code. 3. Strong compatibility: This 4-digit do diagnostic card of the PC computer is compatible with new type motherboards with PCI and ISA bus sockets. Suitable do all computers with PCI or ISA interface. 4. Dual POST code display: This motherboard diagnostic card has a self-controlling remote display function and dual POST code display, easy do view the POST code. 5. High reliability: The POST code display consists of a double hexadecimal reading with a dot matrix that displays self-test status codes when power is turned on (POST). . DIAGNOSTIC CARD POST PCI ISA 4 BITS . DIAGNOSTIC CARD POST PCI ISA 4 BITS . DIAGNOSTIC CARD POST PCI ISA 4 BITS . DIAGNOSTIC CARD POST PCI ISA 4 BITS Specification: Item Type: Computer Diagnostic Card Material: PVC Purpose: do computer motherboard repair tool Specifications: Made of all SMD components, does not hurt hands, LCD character display. It can diagnose more than 200 common motherboard failures and provide suitable solutions according to the instructions. . DIAGNOSTIC CARD POST PCI ISA 4 BITS . DIAGNOSTIC CARD POST PCI ISA 4 BITS . DIAGNOSTIC CARD POST PCI ISA 4 BITS . DIAGNOSTIC CARD POST PCI ISA 4 BITS List of packages: 1 xPC diagnostic card 1 x Cable 1 x User Manual For example: memory is corrupted or misplaced, graphics card is corrupted or improperly inserted, RESET button on housing is compact, etc. Thanks to it, computer faults can be seen at a glance and easily eliminated. Its principle of operation is to use the results of detecting the internal BIOS self-control program on the motherboard to display it using codes. Combined with the importance of the codes in this book, the quick search table can quickly recognize the failure of the computer, especially when the computer can not start the operating system, the screen is black, and the speaker does not sound, the use of this card is more convenient. It makes you do more with less, a very good tool. The motherboard diagnostic card is also called the POST (Power On Self Test) card or the PC analyzer. This is the code that displays the motherboard BIOS self-test program. Thanks to the POST code in the manual, you can quickly know the failure of your computer. In particular, it is more convenient to use this card when your computer cannot boot the operating system, the screen is black, and the buzzer does not make a sound, so you can do more for less! Therefore, this card is essential for almost anyone who installs and maintains computers frequently. . DIAGNOSTIC CARD POST PCI ISA 4 BITS . DIAGNOSTIC CARD POST PCI ISA 4 BITS . DIAGNOSTIC CARD POST PCI ISA 4 BITS . DIAGNOSTIC CARD POST PCI ISA 4 BITS