B31R2 B305 B305MB
Schematic & Boardview.zip
B31R2 B305MB
schematic.pdf
B305MB (09181-1)
boardview.zip
Schematic & Boardview.zip
B31R2 B305MB
schematic.pdf
B305MB (09181-1)
boardview.zip
About this board
Lenovo B31R2 B305 B305MB — motherboard 09181-1.
Lenovo had this board built by Wistron; Wistron board numbers are 5–6 digits plus a revision. Check the number printed on the PCB before you download.
What this thread covers
- Schematic (PDF)
- Boardview (.brd / .bdv / .cad)
Typical reasons to reflash: no power or no display after a failed BIOS update, a BIOS/supervisor password lock, or a corrupted Intel ME region.
Back up the original dump first — it contains machine-specific data (serial, UUID, MAC, ME), and you will want it if anything goes wrong.
If you have a working file for this board, please share it below. More files: search 09181-1 in File Finder.
Attachments
B31R2 B305 B305MB (09181-1) bdv.rar
115.9 KB · Views: 2
115.9 KB · Views: 2
B31R2 B305 pdf.pdf
4 MB · Views: 2
4 MB · Views: 2
