Original BIOS for a Lenovo ThinkPad built on the DAGC2AMB8H0 motherboard revision H, in a RAR archive of about 1 MB. The 8L token most likely refers to an 8-layer PCB. DA-prefixed codes follow the Quanta numbering pattern, where the last characters indicate the revision. Technicians program such images to the SPI flash with an external programmer to recover a bricked board. ThinkPad chips may also store security data, so read and save yours before overwriting.
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.
All sources (2)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 21 Aug 2017 | Open file on RM Schematics |
| @abgm_manutencao_bios | 8 Aug 2019 | Open file on RM Schematics |
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →