Boards 13251-1 12
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- BIOS ThinkPad T550 W550S Wistron LSZ 1 13251 1 telegram BIOS RepairBIOS · 6.20 MB · 19 Sept 2025BIOS zip—6.20 MB
- BIOS ThinkPad T550 W550S Wistron LSZ-1 13251-1
BIOS dump collection for the Lenovo ThinkPad T550 and W550s, a Wistron LSZ-1 design with board number 13251-1.
BIOS · 13251-1 · 5.93 MB · 12 Jun 2021BIOS rar5.93 MB - lsz-1 mb 13251-1 mec ec
EC firmware archive for a laptop main board numbered 13251-1, with the LSZ-1 project code also in the name and MEC indicating a Microchip MEC-series embedded controller.
BIOS · 13251-1 · 110 KB · 25 Apr 2026BIOS zip110 KB