Changes
/* FC-USB */
** 4x USB2 ports (type A)
** M.2 E-Key socket (usually used for Wi-Fi)
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fitlet2 with FC-USB has 8 USB ports (2x USB3 + 6x USB2), all type-A connectors
* The USB port supports in single transaction translator (TT)
* Port current limit - Up to 0.5A
* M.2 Key-E: 2230 (usually used for WiFi & BT module)