ZIP archive of 4.18 MB labelled RZ09-01662, a Razer product code style used for Blade laptop models; the name gives no board number or content type. The package may contain a BIOS image, schematic or boardview. Inspect the files after extraction, compare any board number found inside with the PCB, and when a firmware dump is present, read and keep the original chip contents first and confirm the image size matches the flash chip.
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 @biositechyangiyer. Enginerys does not host this file.
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Compressed archive that every operating system opens without extra software.
Built-in OS tools7-Zip