2 LED displays shows code of bios, 4 LED shows factory's code, They are both helpful to pinpoint where is the problem when power on the computer and find no display or machine hang. This is used to display the Error-code and RST/CLK signals.
This card is easy to use for end users and it works with high stability. It is your ideal and useful tool for notebook repairing partner.
It can diagnosis signal which show the problem of CPU, Memory, display card and so on.
This Notebook POST CODE Testing Card supports three bus interfaces: MINI PCI, Mini PCI-E and LPC.
Displays "NO" if CPU stop running when PC is powered on or running.
It can work with most of notebooks
Size: 51 x 30 x 9mm
Note: Please be aware that Mini-PCI-E is supported with limitation model of notebook, and the pin orientation must follow to PIN1-3.3V, PIN2-LFRAME, PIN3-LAD3, otherwise, it needs to test with other port, such as LPC or mini-PCI.