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- 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 REV 1.0 PHOTO
Photo archive of a Lenovo mainboard numbered NM-C821, revision 1.0, with no model name given in the file name.
Archive · NM-C821 · 3.44 MB · 3 Oct 2023Archive rar3.44 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 - LCFC NM-C821 PHOTO
Photo archive for the LCFC NM-C821 mainboard, a 16.7 MB RAR that presumably holds high-resolution pictures of the board rather than schematic or layout data.
Archive · NM-C821 · 16.7 MB · 17 Oct 2024Archive rar16.7 MB - IdeaPad 3-17ADA05 - NM-C821 REV0 (1).2 BoardView
Boardview for the Lenovo IdeaPad 3-17ADA05, board NM-C821 at revision 0.2, archived as RAR at 763 KB.
Boardview · NM-C821 · 763 KB · 21 Apr 2022Boardview rar763 KB - IdeaPad 3-17ADA05 - NM-C821 REV0.2 BoardView
Boardview for the Lenovo IdeaPad 3-17ADA05 mainboard NM-C821 revision 0.2, in a compact 763 KB RAR archive.
Boardview · NM-C821 · 763 KB · 23 Nov 2021Boardview rar763 KB - 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 - IdeaPad 3-17ADA05 - NM-C821 REV0.2 BoardView.tvw
Boardview for the Lenovo IdeaPad 3-17ADA05 on LCFC board NM-C821 at revision 0.2, packed as a zipped .tvw file.
Boardview · NM-C821 · 1.29 MB · 8 Oct 2026Boardview zip1.29 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 - LCFC NM-C821 photo
Zip archive of board photographs for the LCFC NM-C821 motherboard, the platform used in Lenovo IdeaPad 3 models.
Archive · NM-C821 · 16.7 MB · 8 Oct 2026Archive zip16.7 MB - Lenovo IdeaPad 3-15ADA05 LCFC NM-C821 GS450 GS550&GS750
Schematic in PDF form for the Lenovo IdeaPad 3-15ADA05, drawn on LCFC board NM-C821. The name also lists the GS450, GS550 and GS750 project codes that share this design.
Schematic · NM-C821 · 4.48 MB · 9 May 2025Schematic pdf4.48 MB - Lenovo IdeaPad 3 15ADA05 LCFC NM C821 GS450 GS550&GS750 PDF
Schematic in PDF form for the Lenovo IdeaPad 3 15ADA05 on LCFC board NM-C821, with GS450, GS550 and GS750 also named, which seem to be the platform codes shared across…
Schematic · NM-C821 · 4.34 MB · 23 Nov 2021Schematic rar4.34 MB - Lenovo IdeaPad 3 15ADA05 LCFC NM C821 GS450 GS550 Boardview boa
Lenovo IdeaPad 3-15ADA05 boardview for LCFC board NM-C821, listed with project codes GS450 and GS550, likely the 14 and 15 inch variants; no revision is stated.
Boardview · NM-C821 · 4.93 MB · 26 Apr 2026Boardview zip4.93 MB - Lenovo IdeaPad 3 15ADA05 LCFC NM C821 GS450 GS550 & GS750 PDF
Schematic in PDF format for the Lenovo IdeaPad 3 15ADA05, LCFC board NM-C821, covering codes GS450, GS550 and GS750, which likely indicate 14, 15 and 17-inch variants…
Schematic · NM-C821 · 4.34 MB · 1 Dec 2021Schematic rar4.34 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 - GS450 GS550 GS750 NM-C821 REV0.2 BOARDVIEW (BDV)(.TVW)
Boardview for the LCFC NM-C821 board, revision 0.2, used in the GS450, GS550 and GS750 Lenovo platforms, packed as BDV and TVW files in an 851 KB archive.
Boardview · NM-C821 · 851 KB · 17 Oct 2024Boardview rar851 KB - IdeaPad 3-17ADA05 GS450GS550&GS750 NM-C821 Rev 1.0
Raw 8 MB BIOS image for the Lenovo IdeaPad 3-17ADA05, board NM-C821 revision 1.0, with the name listing the GS450, GS550 and GS750 platform codes that share this design.
BIOS · NM-C821 · 8.00 MB · 8 Jul 2026BIOS bin8.00 MB - GS450 GS550 GS750 NM-C821 REV 1.0 PDF
PDF schematic for the LCFC NM-C821 mainboard, revision 1.0, shared across the Lenovo GS450, GS550 and GS750 designs and compressed into a 4.43 MB RAR.
Schematic · NM-C821 · 4.43 MB · 17 Oct 2024Schematic rar4.43 MB - RAM DISBLED NM-C821 tested bios
Tested 8 MB BIOS binary for a Lenovo laptop on LCFC board NM-C821, with RAM disabled in the name, which suggests the onboard memory is turned off so the board can run…
BIOS · NM-C821 · 8.00 MB · 7 Feb 2024BIOS bin8.00 MB - LENOVO GS450 GS550 GS750 NM-C821 (REV 1.0)
BIOS firmware for Lenovo boards GS450, GS550 and GS750, motherboard NM-C821 revision 1.0, in a 5.47 MB ZIP.
BIOS · NM-C821 · 5.47 MB · 23 Jun 2021BIOS zip5.47 MB - GS450 GS550 GS750 NM C821 REV 1 0 2019 15 05 WORKING BIOS 100%
Working BIOS, described as fully tested, for LCFC board NM-C821 revision 1.0, used in the GS450, GS550 and GS750 models, dated 2019 in the name, inside a 10.2 MB RAR…
BIOS · NM-C821 · 10.2 MB · 28 Sept 2022BIOS rar10.2 MB - LCFC NS-C821 IO r1.0
PDF schematic for the LCFC NS-C821 IO daughterboard at revision 1.0, a small Lenovo sub-board that pairs with the NM-C821 main board family.
Schematic · 723 KB · 9 May 2025Schematic pdf—723 KB - BIOS LENOVO GS450&GS550&GS750 NMC821 REV1 ( TURCO )BIOS · NM-C821 · 8.00 MB · 15 Jun 2026BIOS bin8.00 MB