Common Position and voltage range of main power supply voltage test points of motherboard

The actual motherboard maintenance, often beginners in the measurement of the motherboard of the various power supply voltage, easy to be measured in the actual results of the voltage deviation (whether normal), in this brief description, the general motherboard of the main power supply voltage range and common test points:

As shown in the figure above

Mark 1 for memory main power supply common test location, the general supply voltage and slot marked the same voltage.

(Note: Individual motherboard actual measured voltage above the mark voltage 0.2 is normal, but less than 0.2 is not normal)

Mark 2 for South North Bridge main power supply (South North Bridge public voltage) common test location, general voltage range in (1.0-1.8) around for normal

Mark 3 for North Bridge vtt1.2v main power supply common test location, generally measured in the actual voltage range (between 1.1-1.4v for normal)

The Mark 4 is the CPU main power supply test position, general present market Common Board to measure the actual voltage range in (1.0-1.6v is normal)

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