BIOS firmware archive for the Acer Aspire 5552 (spelled aspair in the name) built on the LA-6552P motherboard, a Compal board number. The name marks the dump as ok tested, and the (2) suffix suggests a second copy of the same set. Inside the RAR you should expect an SPI flash image meant for reprogramming the BIOS chip with an external programmer such as a CH341A. Confirm LA-6552P is silkscreened on your PCB, read and save the original chip contents first, and check that the image size matches the flash capacity before writing.
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 (6)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 24 Jun 2017 | Open file on RM Schematics |
| @efibios | 12 Aug 2020 | Open file on RM Schematics |
| @one5technology | 10 Nov 2020 | Open file on RM Schematics |
| @pepeelectronica | 26 Apr 2022 | 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 →