. Its job is to manage the "legacy" parts of a computer that the high-speed main processor is too busy to handle—things like the keyboard, mouse, serial ports, and thermal monitoring. Without this chip, your laptop wouldn't know you pressed a key, and it wouldn't know when to spin up the fans to keep itself from melting. The Quest for a "Better" Datasheet
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Coordinating the startup and shutdown of various power rails. and thermal monitoring. Without this chip