Embedded controller firmware for a Dell 15 laptop using the Compal LA-9104P mainboard, intended for the ENE KB9012 keyboard controller and marked as working. The A3 token most likely refers to the chip revision or firmware variant. The 128 KB image is flashed into the internal flash of the KB9012, usually through a dedicated EC programmer or adapter rather than a plain SPI clip. A corrupt EC often causes no power, no charging or a dead keyboard. Dump the existing contents first and check that the board number on the PCB matches.
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 @laptexlaptopbios. Enginerys does not host this file.
All sources (10)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @laptexlaptopbios | 29 Jun 2020 | Open file on RM Schematics |
| @one5technology | 21 Nov 2020 | Open file on RM Schematics |
| @pepeelectronica | 20 Apr 2022 | Open file on RM Schematics |
| @pepeelectronica | 24 Apr 2022 | Open file on RM Schematics |
| @bios_laptop | 15 Jun 2022 | Open file on RM Schematics |
| @skclappybios | 10 Apr 2024 | Open file on RM Schematics |
| @generalbios | 15 Dec 2024 | Open file on RM Schematics |
| @schematics_bios | 23 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 25 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 1 Aug 2026 | 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 →