Product Description
It can diagnosis signal which show the problem of CPU, Memory, display card and so on.
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.
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.
Note:this Combo-Debug-Card uses 3.3v as power supply,and you can use 3v3 and GND signals in your notebook main-board.
Package contents:
1X pc diagnostic post(debug) card
BestDealUSA Laptop Mini PCI-E Diagnostic Post Test Debug Card+LPC
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