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Is it an Atmel JtagIce I have had trouble with MkII after using 1 wire debug
and not closing Studio properly the MkI still worked but the MkII would not,
The fix was a complete uninstall of Studio saving NO settings 'clear the
registry' reboot the computer then reinstall Studio.
Owen.

Still working on this one, but I have a critical delivery to do, and 
need other eyes.

Jtag ice connected to a project, but there's nothing on the Jtag pins 
other than the M128 itself.

Jtag is seen by studio, but can't debug, and can't be opened as a chip 
programmer to check fuses etc.   The chips are raw M128's so they will 
have the M103 fuse set wrong.

So far, I can't get any of them talking, and unfortunately, I don't 
have any other platforms handy with Jtag ice ports to test against.

Pinout and connections seem ok, VCC, /Reset etc.
Chips are new, so should be running on internal 1MHz osc.







 
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