PDF schematic for a PIH81F board, also coded B5030, with Wistron-style number 13101-1, delivered in a 4.30 MB RAR. The PIH81F naming points to an Intel H81 chipset design, often used in Lenovo desktops and all-in-ones, though no model is stated. Technicians use the drawings to trace power rails, standby circuits and signals when diagnosing no-power or short faults. Check that the number and revision printed on your PCB match 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 | 5 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.