Installing RAM modules in slots that are the same color, for instance, will enable dual-channel mode if there are four slots that alternate between blue and black. Also, labels identifying satta-king. comthe channel configuration of the slots on some motherboards may be present (e.g. 3. For one channel, use A1, A2, and for another, use B1, B2. In order to optimize memory performance when installing or upgrading new RAM, it is essential to comprehend this layout. Making good use of every RAM slot on your computer is advised if you want to get the most out of its memory system.