| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
|---|
| john1_2b.rom | 524288 | b039c37e | b193a2e08eb47b32cb697bda2d8766fa6b702a8b | maincpu | 0 | good | no | | |
| jm_u2_s.1_0 | 524288 | 4aeeff3d | 861b65b97715182385e2fe076af1fb2eb2ccc298 | dcs | 0 | good | no | jm_u2_s.1_0 | |
| jm_u3_s.1_0 | 524288 | 9bf7bc43 | 94fa83be84940a4db0143acc330aacded1d0d9ca | dcs | 200000 | good | no | jm_u3_s.1_0 | |
| jm_u4_s.1_0 | 524288 | 2e044582 | 0de30f6c223338a67f9332de038baf1398d9043e | dcs | 400000 | good | no | jm_u4_s.1_0 | |
| jm_u5_s.1_0 | 524288 | 50cc06a7 | fa3072a8bc9be72fe974413094f0944d98cf3857 | dcs | 600000 | good | no | jm_u5_s.1_0 | |
| jm_u6_s.1_0 | 524288 | bfc94707 | a1f4d35a4b1d80c8160e937458a8e5181f295f28 | dcs | 800000 | good | no | jm_u6_s.1_0 | |
| jm_u7_s.1_0 | 524288 | 9d4d9e9d | d6e074806eed6fedc169c4849a9dd9ac2beed07e | dcs | a00000 | good | no | jm_u7_s.1_0 | |
| jm_u8_s.1_0 | 524288 | fc7af6c0 | a70dadf86d1af2122b58fdd85e938d50d113305f | dcs | c00000 | good | no | jm_u8_s.1_0 | |
