RAR-compressed PDF schematic covering revision 3.0 of the MSI MS-7A38 desktop motherboard. These factory drawings show how the voltage regulators, chipset, memory slots, rear I/O and BIOS flash are wired, giving a technician reference voltages and nets to probe when diagnosing dead or unstable boards. MSI assigns MS-7xxx codes to its desktop mainboards, and component choices often change between revisions, so confirm 3.0 on the PCB. Extract with WinRAR or 7-Zip before opening the drawings in a PDF reader.
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 | 4 Apr 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.