⚠️ This will erase all data on the drive.
: It runs entirely from a USB drive, meaning no permanent changes are made to the console's internal software.
| Setting | Recommended Value | Path | |---------|------------------|------| | Video Driver | gl (for PSC) | Settings → Driver | | Audio Latency | 64 ms | Settings → Audio | | Rewind Support | OFF (performance) | Quick Menu → Rewind | | Threaded Video | ON | Settings → Video | | Bilinear Filtering | OFF (sharp pixels) | Settings → Video → Scaling | retroboot 121 install
Tested on PSC stock hardware (no overclock):
Extract the contents of the zip file directly to the root of your FAT32 USB drive. ⚠️ This will erase all data on the drive
Open the extracted folder. You should see a structure that includes folders like 028 , project_eris (if using a co-exist build), or standard directories like retroarch and roms . Select all files and folders inside the extracted folder.
Format the drive to (or exFAT, though FAT32 is more compatible). Open the extracted folder
Ultimate Guide: How to Install RetroBoot 121 on Your PlayStation Classic
Because it lacks a heavy background OS, you get better frame rates on demanding cores like SNES (SuperFX) and GBA.
Without these, PS1 games may run at incorrect speeds or fail to boot.