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RetroZone
USB CopyNES
price:$ 70.00 



Game and save dumper, reverse engineering tool, in system debugger, and cart flasher all in one!

CopyNES is the most versatile hardware NES tool. This updated USB version avoids parallel port compatibility problems and runs at the maximum speed for the system. After soldering the board inside your NES system and connecting to your computer you can:
  • Dump NES games and Famicom (with pin adapter) games
  • Dump and rewrite saves
  • Reverse engineer games and mappers
  • Test and debug your homebrew on the system with a flash cart
  • Flash Glider, PowerPak Lite, UFROM, NSF, and RAM carts
  • Fix Game Action Replay carts after replacing the battery


  • Installation requires soldering, desoldering, and hole cutting on an original front loading NES system.

    Works on NTSC and PAL systems. Software requires WinXP/2K, untested on Vista. Protocol and drivers are public so others can write Win98/Linux/MacOS clients.

    USB board installed USB socket on back Options screen


    Package Includes:
  • USB CopyNES board
  • 6' black USB cable
  • NES system NOT included


  • System Compatibility List:
  • Works on all authentic Nintendo front loading systems.
  • Does NOT work on clone systems like the NEX, Yobo, or FC Twin.
  • Does not work on Famicom or top loader systems without extensive rewiring.
  • Tested only on Windows XP, untested on Win98/Vista


  • Downloads:
  • USB CopyNES Installation Manual PDF (1.9MB) - Explanation of how to install the USB CopyNES board.
  • USB CopyNES host app zip version 4.0.1 (640KB) - Windows XP/2k host application.
  • USB CopyNES source files zip version 4.0.0 (1MB) - BIOS, plugin, and host app source code.