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preenfm2 and preenfm3 / Re: [Solved] PreenFM2 SMD (rev6 board) - no sound

« on: June 02, 2022, 05:43:33 PM »

I had the exact same issues. No sound, everything else good.

Bootloader at 1.13 was tricky to find but is here: https://drive.google.com/file/d/1V78jCXjTNEwF5PGBnbxMuNlm4vQqXFGk/view

Also with the latest firmware. I'm on a mac but used the chrome plugin here:

https://devanlai.github.io/webdfu/dfu-util/

Following the WebDFU instructions here: https://github.com/Ixox/preenfm2/tree/master/flash

Making sure to update the Dfuse Start address to 0x8040000 for the firmware after having updated the bootloader. All good now!