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How to copy firmware from protected EPM7128?

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socketz

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Protected EPM7128

I have a rom emulator which had a bad contact in it's SIMM socket.
I soldered the RAM to its socket and accidentally shorted 3 pins.
Some ports of the 7128 seem to have blown, since once I cleaned the solder (and replaced the SIMM socket) the device stopped working for good (DRAM errors).
I'd like to transfer the firmware to a new chip, but it's copy protected. Is there anything I can do?
Thanks.
 

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