Cso Psp Archive Here
When compressing, use Level 9 for most games. If you notice "lag" during a specific game's intro video on an actual PSP, try re-compressing that specific title at Level 5 or 6 for a better balance of speed and size. Organizing Your Archive
While saving space is great, there are a few things to keep in mind: CSO files are not working on PSP · Issue #64 - GitHub cso psp archive
For archival purposes, several tools are used to "generate" or convert these files: When compressing, use Level 9 for most games
PPSSPP can create CSO files from ISOs:
To clarify: