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- Acer Extensa 5220BIOS · 1.00 MB · 10 May 2025BIOS bin—1.00 MB
- Acer Extensa 5220CLB 135BIOS · 1.00 MB · 28 Apr 2025BIOS bin—1.00 MB
- Acer Extensa 5220CLB-135BIOS · 1.00 MB · 23 Feb 2021BIOS bin—1.00 MB
- ACER EXTENSA 5220 5620 5620ZBIOS · 1.25 MB · 9 Jul 2019BIOS zip—1.25 MB
- Acer Extensa 5220 Columbia 48.4T301BIOS · 1.00 MB · 7 Aug 2019BIOS 01n—1.00 MB
- acer-extensa 5220 bios pass remove hridoySchematic · 127 KB · 15 Feb 2020Schematic pdf—127 KB
- Acer Extensa 5220 5620 7220 7620=1=WistronBIOS · 1.30 MB · 7 Aug 2019BIOS zip—1.30 MB
- Acer Extensa 5220 5620 Wistron Columbia 48.4T301.01NBIOS · 1.00 MB · 10 May 2025BIOS bin—1.00 MB
- Acer Extensa 5220 5620 Wistron 48 4T301 01N telegram BIOS RepairBIOS · 704 KB · 17 Sept 2025BIOS zip—704 KB
- Acer Extensa 5220 5620 7220 7620=1=Wistron Columbia Tangiz telegramBIOS · 1.43 MB · 17 Sept 2025BIOS zip—1.43 MB
- Acer Extensa 5220 5620 7220 7620=1=Wistron Columbia Tangiz
Shared BIOS archive for the Acer Extensa 5220, 5620, 7220 and 7620, all built on Wistron boards; Columbia and Tangiz appear to be the Wistron platform names.
BIOS · 1.30 MB · 26 Jan 2017BIOS zip—1.30 MB - Acer Extensa 5220 5620 Wistron 48.4T301.01N
BIOS firmware for Acer Extensa 5220 and 5620 laptops built on a Wistron motherboard, with the board identified by part number 48.4T301.01N.
BIOS · 551 KB · 21 Sept 2020BIOS rar—551 KB