BIOS
Schematic
T431S LST-1 12235-2 MEC1619L
Schematic
T431S LST-1 12235-2 MEC1619L
About this board
Files for the Lenovo T431S LST-1 MEC1619L motherboard, board number 12235-2.
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.
Files listed for this board
- BIOS (full SPI chip dump, .bin)
- Schematic (PDF)
Common cases: dead board after an interrupted BIOS update, ME region errors, missing serial number or UUID after a board swap, or a password lock.
Back up the original dump first — it contains machine-specific data (serial, UUID, MAC, ME), and you will want it if anything goes wrong.
Have a tested file for 12235-2? Reply below and help the next technician. Looking for something else? Search all files in the File Finder.
Attachments
MAIN 16MB.rar
4.6 MB · Views: 28
4.6 MB · Views: 28
MEC1619L.zip
104.2 KB · Views: 26
104.2 KB · Views: 26
security chip.BIN
1 KB · Views: 28
1 KB · Views: 28
