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- Lenovo B5400 Model 20278 ATIBIOS · 8.00 MB · 12 May 2025BIOS bin—8.00 MB
- Lenovo B5400 Model Name 20278 QuantaBIOS · 19.5 MB · 8 Aug 2019BIOS zip—19.5 MB
- LENOVO B5400 MODEL 20278 INTEL CORE I5 ATI GRAPICHBIOS · 8.00 MB · 8 Aug 2019BIOS bin—8.00 MB
- Lenovo B5400
Lenovo B5400 firmware dump in a 3.39 MB 7z archive. Besides the model name it carries no board number, revision or chip information, so the technician must confirm…
BIOS · 3.39 MB · 29 Aug 2020BIOS 7z—3.39 MB