PreenFM > preenfm2 and preenfm3

[Fixed] PreenFM2 doesn`t boot

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werazefu:
Hi!

I completed my kit today. All seems fine. But it only says "PreenFM2 v0.9c By Xavier Hosxe". And that´s all. If I press the left buttons when powering up it shows "PreenFM bootloader v1.00 USB upgrade" for example. But also this screen doesn´t disappear and it does not respond to the encoders or switches.

Any idea what might be wrong? My USB stick is FAT32 formatted and the pfm2 directory is there with the files in it.

Thanks!

werazefu:
Found it out myself... The PreenFM2 doesn´t like that old 512 MB USB Stick I would have liked to use. With a new 8 GB USB 3.0 stick it works.

Xavier:

Thanks for this feedback too.
I don't know what makes some old usb stick not to work.
Great that you found a solution.

Xavier

shiftr:
Thanks for this post... I had the same issue ,,, I was also trying to use an old 512MB usb stick i had lying around.

Xavier:
I would really like the PreenFM to be able to reuse old not-used-anymore Usb Stick.

If you have time could you test my last (beta) firmware :
https://dl.dropboxusercontent.com/u/41654198/preenfm2/firmwares/pfm2_0.9m.zip

I just finished it and not tested enough to release it, but it contains a big rework and lots of fix regarding usb/midi/sysex.
It allows me to read my old 512Mb stick that other firmwares could not.

Please let me know,

Xavier

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