Zip archive of 1.04 MB for the Toshiba M55 laptop, referencing the LA-2721 board number. LA-prefixed numbers follow the Compal convention, so the files are probably service material for a Compal-built motherboard, such as a schematic or a firmware image; the name does not specify which. Technicians use this kind of material to trace power rails, find components, or recover firmware. Unpack it to see the contents and check that the LA number on the PCB matches before relying on it for diagnostics.
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 @schematicslaptop. Enginerys does not host this file.
All sources (14)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @schematicslaptop | 18 Dec 2017 | Open file on RM Schematics |
| @freeschematicdiagram | 20 May 2019 | Open file on RM Schematics |
| @LaptopsBoardview | 4 Jun 2019 | Open file on RM Schematics |
| @led_software | 17 Nov 2020 | Open file on RM Schematics |
| @pepeelectronica | 21 Apr 2022 | Open file on RM Schematics |
| @pepeelectronica | 27 Apr 2022 | Open file on RM Schematics |
| @generalschematics | 19 Oct 2024 | Open file on RM Schematics |
| @generalbios | 15 Dec 2024 | Open file on RM Schematics |
| @boardviewsandachematics | 2 Sept 2025 | Open file on RM Schematics |
| @cyberlanelectonik | 23 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 24 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 27 Jul 2026 | Open file on RM Schematics |
| @schematics_bios | 3 Aug 2026 | Open file on RM Schematics |
| @schematics_bios | 13 Aug 2026 | Open file on RM Schematics |
How to open a .zip file
Compressed archive that every operating system opens without extra software.