Changes

It is plugged into the controller and allowed the player to save game progress and configuration. The original models from Nintendo offered 256 kilobits (32KB) battery backed SRAM, split into 123 pages with a limitation of 16 save files, but third party models had much more, often in the form of 4 selectable memory bank of 256kbits. The number of pages that a game occupied varied (sometimes, it used the entire card). It is powered by a common CR2032 battery.