HELLCAT 15 MS TGL 8L 19859-1 BIOS

BIOS .rar 17.1 MB Shared

BIOS dump for an MSI-branded HELLCAT 15 laptop on a Wistron-style board numbered 19859-1. The TGL token indicates a Tiger Lake platform, and the 8L token is stated in the name without further explanation. Wistron identifies its boards with five-digit numbers followed by a revision digit, so confirm the number silkscreened on the PCB matches before use. Dump and keep the original SPI contents with a programmer first, and check the extracted image size against the flash chip, since a mismatched file will not fit.

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 @biosarchive. 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)

More about .rar files

Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →

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