Thinkpad L15 Gen 3 LG4 LT5 ADL RT UMA MB 223030-1
Bios
Schematic
Boardview
Bios
Schematic
Boardview
About this board
This thread is for the Thinkpad L15 Gen 3 LG4 LT5 ADL RT UMA with main board 223030-1.
The board was manufactured by Wistron for Lenovo. Wistron board numbers are 5–6 digits plus a revision, so you can confirm it on the PCB silkscreen.
From the title: integrated (UMA) graphics.
Files usually needed for this board
- BIOS (full SPI chip dump, .bin)
- EC / KBC firmware, if the board uses a separate EC chip
- 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 223030-1 in File Finder.
Attachments
223030-1.rar
11 MB · Views: 47
11 MB · Views: 47
213039-1.brd.zip
73.9 KB · Views: 18
73.9 KB · Views: 18
213039-1.pdf
2 MB · Views: 22
2 MB · Views: 22
Last edited:
