Case speaker pinout

[dieselmb]

This may seem dumb, but I am unsure of which pins to connect for my
case speaker.
The speaker has 2 wires in a 4-pin connector (red - NC - NC - black).
The MoBo has a 4 pin header: Speaker - NC - Ground - +5V.
NC = No Connection.
Which ones to use? (blk/Speaker & red/+5V or red/Speaker & blk/
Ground)

 

[The Kat]

This may seem dumb, but I am unsure of which pins to connect for my
case speaker.
The speaker has 2 wires in a 4-pin connector (red - NC - NC - black).
The MoBo has a 4 pin header: Speaker - NC - Ground - +5V.
NC = No Connection.
Which ones to use? (blk/Speaker & red/+5V or red/Speaker & blk/
Ground)

On your MB, try red to 'speaker', and black to ground first.
If that doesn't work, try the red on +5v.






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[Andy]

The speaker is connected to the two outer pins, +5 and Speaker. The
polarity is irrelevant.