Where does the Microphone plug in to the Dell Vostro200

Depending on the chassis-style of your Vostro 200 (Slim-line or Tower), you may have one or more options for installing a microphone.
See below for instructions:
A. Slim-Line Model
There are two locations on this model (by default).

Front: You have the power button, then 2 x USB ports, 1 x Headphone jack-out, and 1 x Microphone jack-in.

Rear: There is a block of six audio connectors, looking only at the bottom 3 (red, green & blue).
Red = Microphone jack-in Green = Speaker/Audio jack-out Blue = Audio jack-in

B. Tower Model
There iWhere does the Microphone plug in to the Dell - f0bc025.jpgion on this model (by default):

Rear: There is a block of six audio connectors, looking only at the bottom 3 (red, green & blue).
Red = Microphone jack-in Green = Speaker/Audio jack-out Blue = Audio jack-in