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- NM-C821biosBIOS · 8.00 MB · 25 Apr 2026BIOS bin—8.00 MB
- NM -C821BIOS · 8.00 MB · 26 Jul 2025BIOS bin—8.00 MB
- Lenovo 15ADA05 GS450 GS550 GS750 NM C821 GS450 GS550 GS750 NM C821BIOS · NM-C821 · 5.56 MB · 24 Sept 2025BIOS zip5.56 MB
- RAM DISABLE NM -C821BIOS · 8.00 MB · 26 Jul 2025BIOS bin—8.00 MB
- NM C821 ECBIOS · NM-C821 · 128 KB · 29 Apr 2025BIOS bin128 KB
- NM-C821 DUMPBIOS · NM-C821 · 8.00 MB · 26 Apr 2025BIOS bin8.00 MB
- NM-C821 ECBIOS · NM-C821 · 128 KB · 4 Apr 2024BIOS bin128 KB
- NM C821 REV 1.0BIOS · NM-C821 · 8.00 MB · 29 Apr 2025BIOS bin8.00 MB
- GS450GS550&GS750 NM-C821(bios)BIOS · NM-C821 · 5.46 MB · 21 Jul 2022BIOS zip5.46 MB
- NM-C821 REV 1.0BIOS · NM-C821 · 8.00 MB · 23 Oct 2021BIOS bin8.00 MB
- RAM DISBLED NM C821 tested biosBIOS · NM-C821 · 8.00 MB · 5 May 2025BIOS bin8.00 MB
- RAM DISBLED NM C821 tested biosBIOS · NM-C821 · 8.00 MB · 29 Apr 2025BIOS bin8.00 MB
- AFS Lenovo 15ADA05 GS450 GS550 GS750 NM C821 GS450 GS550 GS750 NMBIOS · NM-C821 · 4.63 MB · 1 Feb 2024BIOS rar4.63 MB
- NM-C821 REV-1.0 OLDBIOS · NM-C821 · 8.00 MB · 21 Apr 2025BIOS bin8.00 MB
- NM-C821 REV-1.0 OLDBIOS · NM-C821 · 8.00 MB · 31 Jan 2025BIOS bin8.00 MB
- NM-C821 REV 1.0 Lenovo Ideapad S BIOS WORLDBIOS · NM-C821 · 5.09 MB · 27 Nov 2025BIOS rar5.09 MB
- NM-C821 DUMP DMI Injected to BIOS RGN DMI InjectedBIOS · NM-C821 · 4.76 MB · 26 Apr 2025BIOS rar4.76 MB
- AFS LENOVO GS450 GS550 GS750 NM-C821 (REV 1.0)BIOS · NM-C821 · 4.63 MB · 1 Feb 2024BIOS rar4.63 MB
- IdeaPad 3-17ADA05 GS450GS550&GS750 NM-C821 Rev 1.0BIOS · NM-C821 · 8.00 MB · 20 Sept 2021BIOS bin8.00 MB
- GS450 GS550 GS750 NM-C821 REV;1.0 WORKING BIOS OKBIOS · NM-C821 · 4.63 MB · 31 Jul 2026BIOS rar4.63 MB
- Lenovo 15ADA05 GS450 GS550 GS750 NM C821 GS450 GS550 GS750 NM C821BIOS · NM-C821 · 6.52 MB · 30 Jul 2026BIOS rar6.52 MB
- GS450 GS550 GS750 NM-C821 REV;1.0 WORKING BIOS 100% OKBIOS · NM-C821 · 9.99 MB · 31 Jul 2026BIOS rar9.99 MB
- LENOVO GS450 GS550 GS750 NM C821 REV 1 0 telegram BIOS Repair 2025BIOS · NM-C821 · 5.56 MB · 23 Sept 2025BIOS zip5.56 MB
- IdeaPad 3 17ADA05 GS450 GS550 & GS750 NM C821 Rev 1 0 telegram BIOSBIOS · NM-C821 · 5.59 MB · 23 Sept 2025BIOS zip5.59 MB
- GS450 GS550 GS750 NM C821 REV 1 0 WORKING BIOS 100% telegram BIOSBIOS · NM-C821 · 11.0 MB · 21 Sept 2025BIOS zip11.0 MB
- GS450 GS550 GS750 NM C821 REV 1 0 2019 15 05 WORKING BIOS 100% telegramBIOS · NM-C821 · 11.0 MB · 21 Sept 2025BIOS zip11.0 MB
- NM-A091 REV1.0 & NM-C821 EC BinBIOS · NM-A091 · 103 KB · 10 Aug 2022BIOS rar103 KB
- GS450 GS550 GS750 NM-C821 REV 1.0 WORKING BIOS 100%BIOS · NM-C821 · 19.9 MB · 8 Aug 2024BIOS rar19.9 MB
- LENOVO IDEAPAD 3 17ADA05 GS450 & GS550 & GS750 NM C821 REV 1 0 MAINBIOS · NM-C821 · 4.80 MB · 9 Jul 2025BIOS rar4.80 MB
- Lenovo IdeaPad 3 15ADA05 LCFC NM C821 GS450 GS550 & GS750SVOD4BIOS · NM-C821 · 8.00 MB · 13 Dec 2022BIOS bin8.00 MB
- NM-C821.binBIOS · NM-C821 · 5.45 MB · 14 Dec 2022BIOS zip5.45 MB
- Lenovo 15ADA05 GS450 GS550 GS750 NM C821 GS450 GS550 GS750 NM C821
Lenovo BIOS archive, 4.72 MB, for the 15ADA05 model on LCFC board NM-C821, with GS450, GS550 and GS750 repeated in the name as associated board or project codes.
BIOS · NM-C821 · 4.72 MB · 18 Nov 2021BIOS rar4.72 MB - NM-C821
Tiny 2 byte companion file for the Lenovo NM-C821 BIOS image, holding a flash status register value saved alongside the main dump.
BIOS · NM-C821 · 2 B · 19 Feb 2026BIOS bin_s2 B - NM-C821
BIOS dump for the Lenovo NM-C821 motherboard, built by LCFC, provided as an 8 MB binary.
BIOS · NM-C821 · 8.00 MB · 19 Feb 2026BIOS bin8.00 MB - NM-C821 bios
BIOS dump for a Lenovo laptop built on the NM-C821 motherboard, provided as an 8 MB binary.
BIOS · NM-C821 · 8.00 MB · 11 Sept 2026BIOS bin8.00 MB - Lenovo IDEAPAD 3 15ADA05 GS450 GS550 GS750 NM C821 REV 1 0 2019
BIOS dump for the Lenovo IdeaPad 3 15ADA05 on the LCFC NM-C821 motherboard, revision 1.0, listing GS450, GS550 and GS750 variants.
BIOS · NM-C821 · 4.78 MB · 19 Mar 2022BIOS rar4.78 MB - LENOVO IdeaPad 3 14ADA05 Laptop Type 81W0 NM C821 REV 1 0 CPU AMD
Lenovo IdeaPad 3 14ADA05 BIOS, machine type 81W0, for an LCFC NM-C821 mainboard revision 1.0 with an AMD processor.
BIOS · NM-C821 · 4.76 MB · 23 Dec 2024BIOS rar4.76 MB - NM-C821 REV 1.0
Raw BIOS binary for a Lenovo board made by LCFC, number NM-C821 at revision 1.0, 8.00 MB in size. The name states no model or testing status, only board and revision.
BIOS · NM-C821 · 8.00 MB · 7 Feb 2024BIOS bin8.00 MB - NM-C821 tested bios
Lenovo BIOS image in BIN form for LCFC motherboard NM-C821, marked as tested, 8.00 MB. The name gives no model name or revision, so match the board number on the PCB…
BIOS · NM-C821 · 8.00 MB · 7 Feb 2024BIOS bin8.00 MB - IdeaPad 3-17ADA05 GS450 GS550 & GS750 NM-C821 Rev 1.0
Firmware dump for the Lenovo IdeaPad 3-17ADA05, covering the GS450, GS550 and GS750 board family with motherboard NM-C821 revision 1.0, packed as a 4.72 MB RAR.
BIOS · NM-C821 · 4.72 MB · 23 Jun 2021BIOS rar4.72 MB