Features: 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. Compatible with: Phoenix, Award and AMI Bios motherboards which has the PCI bus slot ,mini pci,mini pci-e or LPC port . 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. 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.Two buttons, which are used to change BIOS type and up-down to look back previous debug code information.when it connected with USB power only,it also can be used as erro code description list. NOTICE: Our LCD display is new.There is back ground in the LCD display same as our photo,don't think it is defective or stain when you recieve it. You can download user guider and watch video from here: http://sintech.cn/post%20card/st8679.html Package: 1*code display card with case 1*mini pci-e test card 1*pci test card 1*user guide paper 1*data cable 1*LPC cable
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