| Item | Specification | |------|---------------| | | Siren (NTSC-U or PAL) – original disc or clean ISO. | | Undub Patch | siren_undub_v1.1.xdelta (available via fan sites like Romhacking.net – verify hashes). | | Patcher | Delta Patcher or XdeltaUI (Windows/Mac/Linux). | | Emulator (optional) | PCSX2 1.7+ (recommended for audio sync fixes). | | Real Hardware | FMCB (Free Memory Card Boot) + ESR patched disc, or OPL (Open PS2 Loader) with internal HDD. | 4. Step-by-Step Implementation Guide Step 1 – Obtain a clean ISO Dump your original Siren disc using ImgBurn (Windows) or dd (Linux). Verify the MD5 checksum matches known redump.org values (e.g., NTSC-U: e7a5c8f... ).