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- Lenovo IdeaCentre B300 CIG41SArchive · 625 KB · 30 Sept 2019Archive rar—625 KB
- Lenovo B300 CIG41S V2.1 BIOSBIOS · 338 KB · 9 May 2025BIOS bin—338 KB
- Lenovo IdeaCentre B300 CIG41S V1.3BIOS · 1.00 MB · 9 May 2025BIOS bin—1.00 MB
- Lenovo B300 CIG41S V1.1 PDFSchematic · 1.59 MB · 9 May 2025Schematic pdf—1.59 MB
- Lenovo Idea Center B300 CIG41S V2.1BIOS · 1.00 MB · 9 May 2025BIOS bin—1.00 MB
- vinafix.com Lenovo B300 CIG41S V2.1BIOSBIOS · 338 KB · 9 Aug 2019BIOS bin—338 KB
- OK - Lenovo Idea Center B300 CIG41S V2.1BIOS · 1.00 MB · 8 Aug 2019BIOS bin—1.00 MB
- OK - Lenovo Idea Center B300 CIG41S V1.3BIOS · 1.00 MB · 8 Aug 2019BIOS bin—1.00 MB
- vinafix.com Lenovo B300 CIG41S V1.1Schematic · 1.59 MB · 5 Aug 2019Schematic pdf—1.59 MB
- Lenovo ideacentre B300 CIG41S V1.2 DUMP OK TESTEDBIOS · 1.00 MB · 28 Apr 2025BIOS bin—1.00 MB
- Lenovo ideacentre B300 - CIG41S V1.2 DUMP OK TESTEDBIOS · 1.00 MB · 12 Oct 2023BIOS bin—1.00 MB
- Lenovo Idea Centre B300 TPV CIG41S BIOS DIS+UMABIOS · 632 KB · 28 May 2023BIOS rar—632 KB
- AFS Lenovo Idea Center B300 CIG41S V2.1 BIOS & ECBIOS · 652 KB · 1 Feb 2024BIOS rar—652 KB
- Lenovo ideacentre B300 - CIG41S V1.2 DUMP OK U2 (LVDS)BIOS · 69.4 KB · 12 Oct 2023BIOS rar—69.4 KB
- Lenovo Idea Center B300 CIG41S V2 1 BIOS & EC telegram BIOS RepairBIOS · 809 KB · 24 Sept 2025BIOS zip—809 KB
- Lenovo B300 CIG41S V1.1BIOS · 686 KB · 19 Mar 2024BIOS rar—686 KB
- Lenovo B300 CIG41S V1.1 PDF
PDF schematic for the Lenovo B300 all-in-one using the CIG41S motherboard, version 1.1, archived as RAR.
Schematic · 1.51 MB · 15 Nov 2021Schematic rar—1.51 MB - Lenovo Idea Center B300 CIG41S V2.1 BIOS & EC
BIOS and EC firmware set for the Lenovo IdeaCentre B300 all-in-one with the CIG41S board, version 2.1, in a 698 KB RAR archive.
BIOS · 698 KB · 15 Nov 2021BIOS rar—698 KB