Gigabyte GA-B85M-D3H-A circuit diagram, revision 1.0, delivered as a PDF inside a 787 KB RAR. The -A suffix identifies a separate variant within the B85M-D3H family, so check the exact model on the board. With it you can follow standby and main power rails, verify PWM controller circuits and trace signals around the chipset and SPI flash. Make sure the revision silkscreened on the PCB reads 1.0, since values can differ on later revisions.
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 | 19 Apr 2023 | Open file on RM Schematics |
| @boardviewsandachematics | 2 Sept 2025 | 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.