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Thanks a lot.
But I think I made a mistake and got a short circuit between the vcc pin a the one just next, than I burnt out a track that will be hard to fix because is under the processor.

Again, thank you guys.

Hey João,

I did not find any setup up related to processor. Only the "settings" where I can choose the radio (settings->settings) and I did choose the "OpenTX for M128 / 9X board"

I just tried the fuses on read/write menu but the companion is not understand that I am trying to write the M128 instead of M64: ================================================================================= Started AVRDUDE C:/Program Files (x86)/OpenTX/Companion 2.0/avrdude.exe -c usbasp -p m64 ...

Thanks fxshoppe.

I'll try later and tell you the results.

Hi Kilrah, First of all thanks for your answers. I just saw some old posts of yours that mention that I should use the the option -B 100 to slower down the clk and if I got the feedback "warning: cannot set sck period. please check for usbasp firmware update." it means that I should try ot...

How can I do that?

Hi, I had to change the original Atmega64 from my turnigy 9x and then I installed the Atmega128. I was able to flash as follow: C:\Program Files (x86)\OpenTX\Companion 2.0>avrdude.exe -c usbasp -p m128 -B 100 -U flash:w:C:/temp/opentx-9x128-frsky-en.hex:i avrdude.exe: set SCK frequency to 8000 Hz av...