Where Does Knulli Store ROMs and Saves?
Knulli stores ROMs, saves, BIOS, and user data under the userdata folder on the SD card. Back up userdata before upgrading the system.
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Knulli follows the Batocera-family layout on handhelds and single-board computers. Everything personal sits under one userdata folder on the SD card: ROMs per system, saves and states, BIOS files, scraped media, themes, and controller mappings. The system partitions stay disposable.
Upgrades replace the system and preserve userdata, but only when the card is healthy and the process completes. Back up userdata to a computer first anyway; cards die at the worst moment. Share ROM folders over the network feature for bulk copies instead of re-adding cards constantly.
Where Knulli stores this, by platform
/userdata/
Single userdata tree for ROMs, saves, BIOS, media, and configs. Back it up before upgrades. Serve bulk copies over the network share instead of card juggling.
Frequently asked questions
How do I upgrade Knulli without losing games?
Copy the userdata folder to a computer before flashing the new release, then restore it after first boot. ROMs, saves, scraped art, and controller configs all live there. Skipping the backup turns an upgrade into a fresh start.
Where do BIOS files go?
Drop them in the BIOS folder inside userdata and match the filenames the wiki lists per system. Missing BIOS shows as a boot failure, not a clear error, so verify checksums when a system refuses to start.
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