Sega Project DIVA Arcade Future Tone - About the Key Chip

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INTRODUCTION
ABOUT THE KEY CHIP
The key chip has a serial number written on it that is necessary when making inquiries about ALL.Net.
The key chip attachment position is as shown in the diagram below.
PART NO.
SERIAL NO.
KEY CHIP SERIAL NUMBER
KEY CHIP ATTACHMENT POSITION
KEY CHIP STICKER
Nu (Game Board)
Key chip attachment position
KEY CHIP
http://op.sega.jp/op_e/