Korg and some third parties released ROM cards for the A3, each of which had 100 pre-programmed patches that used the original 20 chains and 10 new bonus" chains numbered n0 - n9, where n was a letter A, B, C, D, E, G, or H. For example, card SPC-07 Nashville came with patches programmed using chains 1 - 20 and bonus chains A0 - A9.