Quanta QT6B boardview, a .brd layout of about 507 KB covering the B variant of the QT6 project. The name gives no model or revision, so compare the code and revision silkscreened on the motherboard before use, since QT6 boards exist in several versions. Loaded in OpenBoardView, FlexBV or another viewer, the file shows part placement on both sides, pin names and full net connectivity, which speeds up locating test points, tracing signals and isolating components on a rail that measures shorted.
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 @pepeelectronica. Enginerys does not host this file.
How to open a .brd file
The most common boardview extension. Several unrelated formats share it, which is why one viewer opens a .brd and another refuses it.