| Device | Path | Purpose |
| :--- | :--- | :--- |
| USB Drive (FAT32/exFAT) | mass:/ | Games (ISO/ZSO), ART, VMC, CFG files |
| Memory Card (Slot 0 or 1) | mc0:/ or mc1:/ | OPL ELF, boot files, launchers |
Download the latest OPL .elf from GitHub (e.g., OPL.elf). Place it on a memory card (MC0:/BOOT/) or HDD (__boot). Launch via FreeMCBoot (FMCB) or a modchip. download file system ps2 matrix opl
Using hdl_dumb (or HDL Dump Helper GUI): | Device | Path | Purpose | |
After installation, OPL reads the game from the raw partition, not as a file. After installation, OPL reads the game from the