RAR archive for a Compal-designed board numbered LA-A491P, with R10 and 0624 in the name, likely a revision marker and a date code. At 6.49 MB it may contain a schematic, a boardview or a BIOS dump, but the name does not say which. Compal uses the LA-xxxxP pattern for its laptop mainboards, which are sold under brands such as Dell, Lenovo, HP and Acer, so check the code printed on the PCB. If a firmware image is inside, back up the original SPI chip before flashing.
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 (10)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @schematicslaptop | 5 Dec 2020 | Open file on RM Schematics |
| @schematicslaptop | 6 Dec 2020 | Open file on RM Schematics |
| @laptexdna | 8 Dec 2020 | Open file on RM Schematics |
| @pepeelectronica | 26 Apr 2022 | Open file on RM Schematics |
| @generalschematics | 15 Sept 2024 | Open file on RM Schematics |
| @cyberlanelectonik | 18 Jul 2026 | 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 |
| @schematics_bios | 14 Aug 2026 | Open file on RM Schematics |
| @schematics_bios | 14 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.