Home▸ Forums▸ Recover dead USB port? — #3▸ Recover dead USB port? — #3
Post #3 by techknight
Source ForumRecover dead USB port? — #3
CategoryHardware
Post DateFri, 13 Sep 2013 - 05:27
Original URLhttps://68kmla.org/bb/threads/recover-dead-usb-port.28417/
Post
Each USB port has a dedicated constant-current IC, that is SMBus controlled, etc.. switches on and off the power to USB port, and monitors current draw from the port. its a little 8 pin IC, ive seen them in both TSSOP and SOIC packages. These are accessed by the power management unit.

its probably bad.

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