atmega - afraid of jtag

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:confused I would like to buy an atmega 128 programmer. But, I do not know the box keys of my receiver. I have a atmega card that is already programmed, up to date & working fine. But, I want to start testing myself & I don’t think the person that programs my card, is going to tell me MY box keys. [I have a 301.13, and have had no luck reading the jtag #s. Yes -I am retarted & I don’t feel comfortable soldering the unit.]
My question: Is there any way to read the ”box keys” (and other important info) off of the card that I already am using (and is working great now) so I can start doing this stuff myself? thanks :oops:
 
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