Blown element near USB header

What is the purpose of U8, U10, U22 , U24. Mark code S12, pakage MSOP-8.

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@lubo58 I would suggest you to take a picture on this...

and let us have a look

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They are located close to the USB ports and are too small to take a picture. I used a microscope to see the mark code.

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well, @lubo58

if you need help, i would still suggest to take a close up,

unless you have the schematics.... waiting for another person else having this same board ... so can make a comparison ... so does the board works?

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Does the board work?

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