Schematic in PDF form for an MSI board labelled MS-AA821, revision 0A, with what appears to be a document reference 00017967, stored in an 865 KB RAR archive. The circuit diagram helps a technician follow power rails, enable signals and connector pinouts while diagnosing no-power, shorts or missing voltages. Open the PDF in any standard viewer and search by net name or reference designator. A separate 1.0 revision of the same board exists, so confirm the revision silkscreened on the PCB 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 (3)
The same file was posted more than once. If one link is dead, try the next.
| Channel | Posted | |
|---|---|---|
| @schematicslaptop | 24 Dec 2023 | 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.