Wistron Poseidon schematics, revision R-1, with 860M in the name, likely the discrete GPU fitted to this board, packed in a 2.39 MB RAR archive. The graphics section therefore covers dedicated video memory and its supply rails. No laptop brand is given, so match the Poseidon code printed on the motherboard. Technicians rely on such drawings to follow power sequencing, measure each rail, check GPU core power and locate shorted components. Extract the file and confirm the board revision before relying on part 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 @IT_SERVICE_WORLD. 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 | |
|---|---|---|
| @IT_SERVICE_WORLD | 1 Oct 2019 | Open file on RM Schematics |
| @Satale_bios_esquemas_Laptop | 25 Feb 2021 | Open file on RM Schematics |
| @IT_SERVICE_WORLD | 2 May 2021 | 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.