In the emulation scene, "repack" has two meanings:
In this context, "IC501 repack" refers to a specific community fix where the data intended for IC501 has been extracted, decrypted (if necessary), and then repackaged into a format Demul understands. demul mpr 21931 ic501 repack
On a NAOMI cartridge PCB, labels like IC501, IC502, etc., indicate physical socketed ROM chips. In the emulation scene, "repack" has two meanings:
| Symptom | Cause | Repack Fix | |---------|-------|-------------| | Naomi 2 boots to "ERROR 31" | IC501 region mismatch | Set MD0=1, MD1=0 in repack config | | DIMM board not recognized | Security handshake timeout | Increase repack handshake delay from 50ms to 200ms | | Graphical glitches after 5 mins | Table diffusion insufficient | Use SHA-256 instead of XOR for scrambling | In this context, "IC501 repack" refers to a