Gigabyte GA-78LMT-S2PT motherboard schematic labelled R401, most likely referring to revision 4.01, supplied as a PDF compressed in a 785 KB RAR file. Pages of a board schematic usually cover the power supply stages, chipset, Super I/O, memory slots and connectors, helping with fault diagnosis down to individual rails and signals. Extract the archive and open the PDF in a standard viewer. Compare the revision silkscreened on your board with the document before relying on part numbers or values.
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 (3)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @schematicslaptop | 6 Jun 2024 | Open file on RM Schematics |
| @cyberlanelectonik | 15 Jul 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.