ic chip
IT4141 is an intelligent high-end power switch tube, using an integrated circuit chip, is 24V voltage regulator, responsible for the power of the motherboard, the main voltage generation and other effects.
AMD K8 CPU timing controller, responsible for motherboard power-on, main voltage generation and other functions.
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ITS4141D datasheet, ITS4141D datasheets, ITS4141D pdf, ITS4141D circuit : INFINEON - Smart High-Side Power Switch for Industrial Applications 1 Channel: 1 x 200mΩ,alld. This is the I\/O chip and basically the input and output on the board are managed by it such as some input and output interfaces