Flaps 30 wrote:João - I take it that you haven't replaced the 'faulty' M128 yet?
Clivew wrote:Was about to give up, I was using MySartUSB light. Then tried the cheapo ebay one (after shorting out it's 220 ohm resistors)
and bingo

it worked!
Now that you have it working. Can you now use your MySartUSB with the M128?
Nope!
It fails with the same message
=================================================================================
Started AVRDUDE
C:/Program Files/companion9x/avrdude.exe -c stk500v2 -p m128 -P com3 -U flash:w:E:/Manuals/TGY 9X/er9x-128.hex:i
=================================================================================
avrdude.exe: stk500v2_command(): command failed
avrdude.exe: stk500_2_ReceiveMessage(): timeout
avrdude.exe: stk500v2_program_enable(): bad STK600 connection status: Unknown (0x64)
avrdude.exe: initialization failed, rc=-1
Double check connections and try again, or use -F to override
this check.
avrdude.exe done. Thank you.
=================================================================================
AVRDUDE done - exit code 1
=================================================================================
Same thing happens with external 5v supply to the board also!
Clive