MSI desktop motherboard schematic for the H81M-P33 and H81M-E33 models, MSI board number MS-7817 at revision 1.2, provided as a PDF inside a 735 KB RAR archive. MSI marks its boards with an MS-xxxx code printed on the PCB, which identifies the design across retail names. The H81 chipset points to an Intel LGA1150 platform. Use the drawings to trace VRM phases, standby rails and reset signals when the board does not start. Check that the PCB revision matches 1.2 before trusting 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 (4)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @schematicslaptop | 28 Jan 2023 | Open file on RM Schematics |
| @boardviewsandachematics | 2 Sept 2025 | Open file on RM Schematics |
| @cyberlanelectonik | 19 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.