Laptop Mini PCI-E PC PCI diagnostic test tester debug post card & LPC USB cable£» Description£º 1. LCD displays shows diagnosis result of motherboard. Especially helpful to pinpoint where is the problem when power on the computer and find no display or machine hang. PCI bus reset and CLK signal working indicator.(When indicator LED is on to indicate its respective signal is fine.) 2. Compatible with Phoenix, Award and AMI Bios motherboards which has the PCI bus slot ,mini pci,mini pci-e or LPC port . 3. Intelligent analysis of the code corresponding to the cause of the malfunction, and gives diagnostic program! 4. It can display the halting execution automatic with a couple of times. 5. 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. 6. It can diagnosis signal which show the problem of CPU, Memory, display card and so on. 7. LED displays shows diagnosis result of motherboard. Especially 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. 8. The Display portion is composed with two 7-segment LEDs. The two "Dots" of the LEDs are used to indicate the notebook "RST" and "CLK" status. The left side "Dot" is for "RST", and the right side "Dot" is for "CLK". When the notebook is in "Reset" status, the left side Dot" will be lighted. And when the notebook has a correct CLK output, the right side "Dot" will be lighted. 9. Two buttons, which are used to change BIOS type and up-down to look back previous debug code information. Note£º when it connected with USB power only,it also can be used as erro code description list. Package Content£º 1x Code display card with case 1x Mini pci-e test card 1x PCI test card 1x User guide paper 1x Data cable