Archive for the MSI Katana 17 HX B14V, board MS-17L7, with an RTX 5070 graphics variant, about 1.06 MB in RAR format. MS- numbers are MSI's own board designations. The name does not state exactly what the archive holds, so open it and check whether it is BIOS, EC or VBIOS data. Firmware for a specific GPU variant should only go onto a board fitted with that GPU. Dump the original chip with a programmer before flashing and confirm the image size fits the flash.
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 @boardsscanrepo. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
7-ZipWinRARThe Unarchiver (macOS)