I have the main unit (CIB).
type computer
country Japan
year 1985
os Nintendo
cpu 8bit 6502
speed 1,66 MHz
graphic 256×240
color 52
sound yes
ports cartridge slot (12), controller port (4), zapper port, RF out, A/V out
The Nintendo NES M82 Demo Unit — Retail Gaming History
The Nintendo NES M82 was a retail demonstration unit designed for use in shops and department stores — a specially modified NES system in a lockable display cabinet that allowed potential customers to try up to 12 NES games on a timer before purchasing. The M82 was an essential part of Nintendo’s retail strategy in the late 1980s, giving customers hands-on experience with NES games in a controlled retail environment. These demo units were produced in relatively small quantities for retail use and were never sold to consumers, making surviving examples genuinely rare collector’s pieces. The M82 represents the retail history of the NES era — the shop floor experience that convinced millions of families to purchase Nintendo’s system.