Boards 6050A2497501 4
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- AFS Lenovo B340 B540 CIH77S CIH77S 6050A2497501 a03 v1.0BIOS · 6050A2497501 · 2.79 MB · 1 Feb 2024BIOS rar2.79 MB
- Lenovo B340 B540 CIH77S CIH77S 6050A2497501 a03 v1 0 telegram BIOSBIOS · 6050A2497501 · 2.99 MB · 23 Sept 2025BIOS zip2.99 MB
- Lenovo B340 B540 CIH77S CIH77S 6050A2497501 a03 v1 0 Luirons BiosBIOS · 6050A2497501 · 2.79 MB · 22 Feb 2021BIOS rar2.79 MB
- CIH77S V1 0 WORKING BIOS&EC 100% telegram BIOS Repair 2025 09 16BIOS · 3.03 MB · 19 Sept 2025BIOS zip—3.03 MB
- Lenovo B340 B540 CIH77S CIH77S 6050A2497501 a03 v1.0
Firmware archive for Lenovo B340 and B540 laptops on the CIH77S board, numbered 6050A2497501, revision A03, with v1.0 also in the name.
BIOS · 6050A2497501 · 2.79 MB · 9 May 2020BIOS rar2.79 MB - CIH77S V1.0 WORKING BIOS&EC 100%
Combined BIOS and EC firmware package for board CIH77S version 1.0, described in the name as fully working.
BIOS · 6.17 MB · 2 Sept 2023BIOS rar—6.17 MB