Schematic PDF for the Quanta FM9B UMA motherboard, revision 3A, dated 5 October 2009 in the name. UMA means integrated graphics, so no discrete GPU pages are expected. FM9B is a Quanta project code; the laptop brand is not given. Engineers and repairers use these sheets to follow power rails, check the power-on sequence, find pull-ups and test points, and identify part values. Since a rev 2B FM9B schematic also exists, confirm that the board revision matches before relying on component 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 | 10 Nov 2022 | Open file on RM Schematics |
| @cyberlanelectonik | 22 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.