Arduino Nano V3 Clock Out 16 Mhz

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First of all, thank you for replying me.
About your valuable considerations I've done the following step :

  1. Get an Arduino Uno connecting SPI wires to target device
  2. Loaded the example Arduino ISP
  3. Compiled and load this sketch on Uno
  4. Selected Tools->Arduino Programmers as ISP
  5. Modified the values in 0xBF in boards.txt
  6. tools->bun bootloader

Leds was blinking...
This is a succesfull procedures I've used in the past to load boot loader, but nothing.. I still obtain no clockout.
Any further idea ?