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10NES Lockout Chip Basics

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10NES Lockout Chip Basics.

What does the 10NES system mean to the consumer? Well, combined with the zero-insertion force 72-pin socket, the 10NES chip is primarily responsible for anytime you are having trouble getting a game to boot. Anytime you see the 1 Hz red blinking power light, what you are actually seeing is the 10NES chip forcing a console reboot every 1 second. This usually happens because the game is not making adequate contact with the 72-pin socket, and the key chip cannot appropriately communicate with the lock chip. Most of the time you wasted blowing on cartridges as a kid can be chalked up to the 10NES and it’s inability to authenticate the game cartridge you were trying to play.

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