Compact 101 KB ZIP for the ASUS X553MA laptop main board at revision 2.1. Its contents are not stated, but at this size it most likely contains a boardview layout. Such files open in OpenBoardView, FlexBV or similar viewers and let a technician search for a component or net and see where it sits on the PCB. Make sure the board revision printed on the PCB matches 2.1, as ASUS revisions can move parts. Use it to probe test points, follow power rails and pinpoint shorted components.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @ITHINKHS. Enginerys does not host this file.
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