From SMS Power!

Development: Gear to Gear Port SMS Controller Adaptor

What is it?

In SMS mode, the Game Gear can allow the use of a second controller by using an adaptor that plugs into the Gear to Gear cable connector.

Here is a picture of such a cable:

Such cable is sometimes referred as a 'Master Link' cable.


Pin numbering guide

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Page last modified on Sun Jun 08, 2014 9:23 pm