BIOS archive for a Compal-designed board LA-A901P revision 1.0, also referencing LA-A903P, which is likely the companion daughterboard number. The LA-xxxxP pattern is Compal's motherboard numbering, used on many Dell, Lenovo, Acer and HP laptops. At 8.38 MB the RAR should hold a full SPI flash image, likely including the ME region. Technicians write it with a programmer to fix dead or boot-looping boards. Check the board number and revision silkscreened on the PCB, and read out the original chip before erasing it.
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 (7)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 24 Nov 2019 | Open file on RM Schematics |
| @laptexlaptopbios | 11 Jul 2020 | Open file on RM Schematics |
| @one5technology | 21 Nov 2020 | Open file on RM Schematics |
| @pepeelectronica | 26 Apr 2022 | Open file on RM Schematics |
| @skclappybios | 10 Apr 2024 | Open file on RM Schematics |
| @schematics_bios | 25 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 2 Aug 2026 | 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 →