Desktop DDR2+DDR3 Memory RAM Slot Tester with LED

1. By starting up and read the RAM Memory Slot Tester, it can indicate the error in the mother board circuit for further repairing. 
2. The error can be detected by the LED light, indicating open circuit, short circuit, data line or address line.


How to use?

1. Install the 3.3v(CR2032) battery on the tester, mainboard need not power on, press the button of the tester. 
2. If the LEDs all light on and the brightness are all the same, the signal is all right ,there is no problem. 
3. Light out or weak light signals indicates there is problem. You should refer to sign indication beside that LED light.