Embedded controller firmware for Compal board LA-F121P, a raw 128 KB binary marked as tested. The EC controls power-on sequencing, battery charging, keyboard and fan behaviour, so a corrupted EC image often leaves a board dead or not charging. Compal's LA-xxxxP numbering identifies the ODM motherboard rather than the retail laptop. Depending on the design, the EC code may sit in its own small flash chip or inside the controller, so confirm where it goes, back up the original, and match the 128 KB size.
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 @bioshub. 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 | |
|---|---|---|
| @bioshub | 20 Oct 2021 | Open file on RM Schematics |
| @ShareMan_Electronic_Files | 29 Apr 2025 | Open file on RM Schematics |
How to open a .bin file
A raw, byte-for-byte image of a flash chip: the main BIOS / UEFI, the embedded-controller (EC) firmware, or both.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →