NM-C821 is a LCFC (Lenovo) motherboard used in Lenovo devices. Enginerys has 8 schematics, 9 boardviews, 42 BIOS dumps and 9 archives for this board, collected from public Telegram channels.
Check that NM-C821 matches the number printed on your PCB, including the revision. Where to find it →
NM-C821 schematics
- NM-C821 NM-D151 REV-1.0 SchematicSchematic · NM-C821 · 4.48 MB · 30 Jul 2025Schematic pdf4.48 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 - Eletro X GS450 GS550 GS750 NM C821 (REV 1.0)Schematic · NM-C821 · 7.98 MB · 29 Apr 2025Schematic pdf7.98 MB
- Lenovo IdeaPad 3-15ADA05 LCFC NM-C821 GS450 GS550Schematic · NM-C821 · 4.93 MB · 17 Oct 2024Schematic zip4.93 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 - Lenovo IdeaPad 3 15ADA05 LCFC NM C821 GS450 GS550 & GS750 PDFSchematic · NM-C821 · 4.48 MB · 9 Aug 2022Schematic pdf4.48 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 - 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
NM-C821 boardviews
- 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 - 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 - GS450 GS550 GS750 NM-C821 REV0.2 (BDV) PDFBoardview · NM-C821 · 3.74 MB · 30 Jul 2025Boardview rar3.74 MB
- IdeaPad 3-17ADA05 - NM-C821 REV0.2 BoardViewBoardview · NM-C821 · 1.34 MB · 17 Oct 2024Boardview zip1.34 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 - NM-C821 REV0.2 BoardViewBoardview · NM-C821 · 3.73 MB · 29 Sept 2022Boardview tvw3.73 MB
- NM-C821 REV 1.0 BDVBoardview · NM-C821 · 717 KB · 9 Aug 2022Boardview rar717 KB
- 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 dumps
- 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 - GS450 GS550 GS750 NM-C821 REV;1.0 WORKING BIOS OKBIOS · NM-C821 · 4.63 MB · 31 Jul 2026BIOS rar4.63 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 15ADA05 GS450 GS550 GS750 NM C821 GS450 GS550 GS750 NM C821BIOS · NM-C821 · 6.52 MB · 30 Jul 2026BIOS rar6.52 MB
- 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 - BIOS LENOVO GS450&GS550&GS750 NMC821 REV1 ( TURCO )BIOS · NM-C821 · 8.00 MB · 15 Jun 2026BIOS bin8.00 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 REV 1.0 Lenovo Ideapad S BIOS WORLDBIOS · NM-C821 · 5.09 MB · 27 Nov 2025BIOS rar5.09 MB
- Lenovo 15ADA05 GS450 GS550 GS750 NM C821 GS450 GS550 GS750 NM C821BIOS · NM-C821 · 5.56 MB · 24 Sept 2025BIOS zip5.56 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 2019 15 05 WORKING BIOS 100% telegramBIOS · NM-C821 · 11.0 MB · 21 Sept 2025BIOS zip11.0 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
- LENOVO IDEAPAD 3 17ADA05 GS450 & GS550 & GS750 NM C821 REV 1 0 MAINBIOS · NM-C821 · 4.80 MB · 9 Jul 2025BIOS rar4.80 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
- NM C821 ECBIOS · NM-C821 · 128 KB · 29 Apr 2025BIOS bin128 KB
- NM C821 REV 1.0BIOS · NM-C821 · 8.00 MB · 29 Apr 2025BIOS bin8.00 MB
- NM-C821 DUMP DMI Injected to BIOS RGN DMI InjectedBIOS · NM-C821 · 4.76 MB · 26 Apr 2025BIOS rar4.76 MB
- NM-C821 DUMPBIOS · NM-C821 · 8.00 MB · 26 Apr 2025BIOS bin8.00 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
- 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 - GS450 GS550 GS750 NM-C821 REV 1.0 WORKING BIOS 100%BIOS · NM-C821 · 19.9 MB · 8 Aug 2024BIOS rar19.9 MB
- NM-C821 ECBIOS · NM-C821 · 128 KB · 4 Apr 2024BIOS bin128 KB
- 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 - 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 - AFS LENOVO GS450 GS550 GS750 NM-C821 (REV 1.0)BIOS · NM-C821 · 4.63 MB · 1 Feb 2024BIOS rar4.63 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.binBIOS · NM-C821 · 5.45 MB · 14 Dec 2022BIOS zip5.45 MB
- Lenovo IdeaPad 3 15ADA05 LCFC NM C821 GS450 GS550 & GS750SVOD4BIOS · NM-C821 · 8.00 MB · 13 Dec 2022BIOS bin8.00 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 - NM-A091 REV1.0 & NM-C821 EC BinBIOS · NM-A091 · 103 KB · 10 Aug 2022BIOS rar103 KB
- GS450GS550&GS750 NM-C821(bios)BIOS · NM-C821 · 5.46 MB · 21 Jul 2022BIOS zip5.46 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 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 1.0BIOS · NM-C821 · 8.00 MB · 23 Oct 2021BIOS bin8.00 MB
- IdeaPad 3-17ADA05 GS450GS550&GS750 NM-C821 Rev 1.0BIOS · NM-C821 · 8.00 MB · 20 Sept 2021BIOS 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 - 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
NM-C821 archives
- 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 - E8CN18WW IDEAPAD 3 15ADA05 GS450 GS550 GS750 NM-C821 REV 1.0Archive · NM-C821 · 4.67 MB · 15 Jun 2026Archive rar4.67 MB
- NM-C821Archive · NM-C821 · 107 MB · 17 Mar 2025Archive rar107 MB
- 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 - NM-C821Archive · NM-C821 · 10.9 MB · 8 Apr 2024Archive zip10.9 MB
- nm-c821 gs450 ip 3-17ada05Archive · NM-C821 · 9.06 MB · 11 Nov 2023Archive zip9.06 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 - GS450 GS550 GS750 NM-C821 (REV 1.0)Archive · NM-C821 · 5.30 MB · 10 Jul 2023Archive rar5.30 MB
- GS450 GS550 GS750 NM-C821 (REV 1.0) (2019-12-05)Archive · NM-C821 · 4.75 MB · 10 Jul 2023Archive rar4.75 MB
Questions about NM-C821
Is there a schematic for NM-C821?
Yes. Enginerys lists 8 schematic files for NM-C821. Each entry links to the Telegram post where the PDF can be downloaded.
Is there a boardview for NM-C821?
Yes, 9 boardview files are listed. Open them with OpenBoardView or the viewer named on the file page.
Who makes the NM-C821 board?
NM-C821 follows the LCFC (Lenovo) numbering scheme (NM-xxxx). It is found in Lenovo devices.