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- 4820T - 4820TG Series ZQ1C ECBIOS · 512 KB · 23 Oct 2021BIOS bin—512 KB
- 4820T - 4820TG Series ZQ1C BiosBIOS · 4.00 MB · 23 Oct 2021BIOS bin—4.00 MB
- 4820T - 4820TG Series ZQ1C ECBIOS · 512 KB · 21 Jul 2020BIOS bin—512 KB
- 4820T - 4820TG Series ZQ1C BiosBIOS · 4.00 MB · 21 Jul 2020BIOS bin—4.00 MB
- ZQ1 4820TG 4MBBIOS · 4.00 MB · 10 May 2025BIOS bin—4.00 MB
- ZQ1 4820TG 66KBBIOS · 64.0 KB · 10 May 2025BIOS bin—64.0 KB
- Acer Aspire 4820T - 4820TG Series ZQ1C BiosBIOS · 4.00 MB · 10 May 2025BIOS bin—4.00 MB
- Acer Aspire 4820T - 4820TG Series ZQ1C ECBIOS · 512 KB · 10 May 2025BIOS bin—512 KB
- Acer Aspire 4820T - 4820TG Series ZQ1C Bios + ECBIOS · 1.62 MB · 23 Feb 2021BIOS rar—1.62 MB
- acer aspire 4820tg quantaZQ1BIOS · 1.62 MB · 9 Jul 2019BIOS rar—1.62 MB
- Acer Aspire 4820TG ZQ1C ECBIOS · 512 KB · 28 Apr 2025BIOS bin—512 KB
- Acer Aspire 4820TG ZQ1C ECBIOS · 512 KB · 15 Dec 2024BIOS bin—512 KB
- Acer 4820TG AS4745 AS4745G AS4820 AS4820G ZQ1 converter DiscreteBIOS · 25.8 MB · 5 Apr 2025BIOS rar—25.8 MB
- Acer Aspire-4820TG -Quanta ZR7B - BIOS, EC
Combined BIOS and EC firmware set for the Acer Aspire 4820TG with a Quanta ZR7B mainboard.
BIOS · 1.53 MB · 15 Jun 2022BIOS 7z—1.53 MB - acer aspire 4820tg
Compressed BIOS firmware for the Acer Aspire 4820TG, supplied as a 1.62 MB RAR archive.
BIOS · 1.62 MB · 21 Sept 2025BIOS rar—1.62 MB