MSI schematic for board MS-7557, revision 0A, with the code 0722 also in the name, supplied as a PDF inside a 2.83 MB RAR archive. MSI uses the MS-xxxx format to number its own mainboards. The diagrams help trace VRM and standby power rails, check component values, and follow signals between chipset, connectors and the power sequence circuitry. Open the PDF in any reader, and confirm that MS-7557 and the revision on your PCB silkscreen match before relying on 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 (6)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @schematicslaptop | 20 Nov 2021 | Open file on RM Schematics |
| @pepeelectronica | 26 Apr 2022 | Open file on RM Schematics |
| @cyberlanelectonik | 19 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 |
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.