More or less universal cartridge for Atari 7800.
Up to 144kB ROM (128kB + 16kB) with Atari bankswitch model (no RAM at $4000).
Designed for 128kB ROM + 16kB RAM at $4000 with Atari bankswitch model.
Can be used for non bankswitch ROMs - 48kB, 32kB, 16kB.
The board fits into original Atari 7800 Cart case.
Atari 2600 Cart case require few cuts on dustcover.