Boardview for an HP laptop motherboard built by Quanta, project G74A, board DAG74AMB8D1, revision D, with G74A-C also in the name, in .brd format at 312 KB. Quanta numbers start with DA followed by the project code, which is why the G74A code appears inside the board number. The BRD file opens in OpenBoardView, FlexBV or similar tools to locate parts, nets and test points. Check the PCB label matches DAG74AMB8D1 rev D before using placements to chase a short or missing rail.
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 @boardviews. 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.