Toshiba Satellite C55T firmware archive tied to the Compal board LA-B303P. The RAR file weighs 4.09 MB and likely holds the BIOS and possibly EC images for programming the onboard flash. LA- prefixed numbers are Compal designations, and the same board can appear in several Toshiba variants, so read the number and revision on the PCB first. Dump and keep the existing chip contents before writing, and check that the extracted image size matches the chip capacity, otherwise it will not fit.
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 (5)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @biosarchive | 27 Dec 2017 | Open file on RM Schematics |
| @gunvantrathore | 20 Nov 2019 | Open file on RM Schematics |
| @gunvantrathore | 20 Nov 2019 | Open file on RM Schematics |
| @biositechyangiyer | 19 May 2020 | Open file on RM Schematics |
| @biosdumpcomputer | 25 May 2022 | 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 →