Olimex JTAG upgrade for AVRStudio 4.12?

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Hello!

Have you guys been able to upgrade an Olimex JTAG programmer for AVRStudio 4.12 ? Someone I know tried that but it didn't work out (yet). I remember that the previous upgrade that I did with an Olimex JTAG (to some earlier version of AVRStudio) succeeded after some trouble. Any experiences? Thanks for sharing.

-Vesa

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Ok, I got it working now. Some FLASH reading and writing back and forth and then I restarted AVRStudio and re-plugged the JTAG and voilà, it works...
Funnily, when I repeatedly read the bits at Avr Prog -> Advanced, some of the ID bits (or whatever was the exact term) may give different values at different times--at least one of the bytes varies. I wonder if that "flipping" of the bit values has something to do with why the upgrading sometimes seems to work and sometimes not...

-Vesa