NM-C421 is a LCFC (Lenovo) motherboard used in Lenovo devices. Enginerys has 22 schematics, 7 boardviews, 57 BIOS dumps and 7 archives for this board, collected from public Telegram channels.
Check that NM-C421 matches the number printed on your PCB, including the revision. Where to find it →
NM-C421 schematics
- NM-C421 1.0Schematic · NM-C421 · 4.90 MB · 26 Sept 2025Schematic zip4.90 MB
- NM-C421 REV;1.0 PDFSchematic · NM-C421 · 3.67 MB · 17 Jun 2025Schematic pdf3.67 MB
- NM C421 (REV 1.0)Schematic · NM-C421 · 7.65 MB · 29 Apr 2025Schematic pdf7.65 MB
- NM C421 TOPSchematic · NM-C421 · 67.9 KB · 29 Apr 2025Schematic pdf67.9 KB
- NM C421 BOTSchematic · NM-C421 · 112 KB · 29 Apr 2025Schematic pdf112 KB
- FE4A0 FE5A0 NM C421 (REV 1 PDFSchematic · NM-C421 · 3.48 MB · 29 Apr 2025Schematic rar3.48 MB
- Eletro X FE4A0 FE5A0 NM C421 (REV 1.0)Schematic · NM-C421 · 3.67 MB · 29 Apr 2025Schematic pdf3.67 MB
- LENOVO E15 THINKPAD NM C421 REV 1 0 FE4A0 FE5A0 PDF FixTronix
Schematic in PDF form for the Lenovo ThinkPad E15, board NM-C421 revision 1.0, with the codes FE4A0 and FE5A0 named in the title, packed into a 6.47 MB RAR.
Schematic · NM-C421 · 6.47 MB · 12 Feb 2025Schematic rar6.47 MB - NM-C421 REV1.0 pdfSchematic · NM-C421 · 7.41 MB · 8 Oct 2023Schematic pdf7.41 MB
- NM-C421 1.0Schematic · NM-C421 · 4.90 MB · 27 Sept 2023Schematic zip4.90 MB
- NM-C421 1.0Schematic · NM-C421 · 4.90 MB · 16 May 2023Schematic zip4.90 MB
- LENOVO E15 THINKPAD NM-C421 REV 1.0 FE4A0 FE5A0Schematic · NM-C421 · 7.41 MB · 18 Feb 2023Schematic pdf7.41 MB
- SKIDS MUDFLAP V1.0 2019723 SVT -NM-C421Schematic · NM-C421 · 4.72 MB · 16 Nov 2022Schematic pdf4.72 MB
- NM-C421 BOTSchematic · NM-C421 · 127 KB · 29 Jul 2022Schematic pdf127 KB
- NM-C421 TOPSchematic · NM-C421 · 88.8 KB · 29 Jul 2022Schematic pdf88.8 KB
- NM-C421 Rev1.0 E14 R14 E15 R15 AMD R19M-P25 5070 Schematic
Schematic for the LCFC NM-C421 motherboard, revision 1.0, used in Lenovo ThinkPad E14, R14, E15 and R15 models, with an AMD R19M-P25 discrete GPU variant listed, plus a…
Schematic · NM-C421 · 4.87 MB · 10 Apr 2022Schematic rar4.87 MB - NM-C421 BOTSchematic · NM-C421 · 112 KB · 11 Feb 2022Schematic pdf112 KB
- NM-C421 TOPSchematic · NM-C421 · 67.9 KB · 11 Feb 2022Schematic pdf67.9 KB
- LCIIT NM-C421 TOP
Top-side layout drawing for the Lenovo LCFC NM-C421 motherboard, supplied as a small 67.9 KB PDF that shows component placement rather than full circuit pages.
Schematic · NM-C421 · 67.9 KB · 3 Feb 2022Schematic pdf67.9 KB - LCIIT NM-C421 BOT
Bottom-side component placement sheet for the LCFC NM-C421 board used in Lenovo laptops, a 112 KB PDF that complements the matching top-side drawing.
Schematic · NM-C421 · 112 KB · 3 Feb 2022Schematic pdf112 KB - LENOVO E15 THINKPAD NM-C421 REV 1.0 FE4A0 FE5A0 PDF
Schematic for the Lenovo ThinkPad E15, board NM-C421 revision 1.0, with the FE4A0 and FE5A0 design codes listed, delivered as a PDF inside a rar file.
Schematic · NM-C421 · 6.38 MB · 16 Sept 2021Schematic rar6.38 MB - NM-C421 REV1.0Schematic · NM-C421 · 7.41 MB · 11 Jul 2021Schematic pdf7.41 MB
NM-C421 boardviews
- NM-C421 REV 1.0 BDVBoardview · NM-C421 · 730 KB · 17 Jun 2025Boardview rar730 KB
- FE4A0 FE5A0 NM-C421 (REV 1.0) (BDV)Boardview · NM-C421 · 6.45 MB · 12 May 2025Boardview tvw6.45 MB
- FE4A0 FE5A0 NM C421 (REV 1.0) (BDV)Boardview · NM-C421 · 730 KB · 29 Apr 2025Boardview rar730 KB
- FE4A0 FE5A0 NM-C421 REV 1.0 BOARDVIEW (BDV)(.TVW)Boardview · NM-C421 · 1.67 MB · 15 Dec 2024Boardview zip1.67 MB
- ThinkPad E15 - NM-C421 REV 1.0 BoardView.tvwBoardview · NM-C421 · 1.60 MB · 19 Oct 2024Boardview zip1.60 MB
- FE4A0 FE5A0 NM-C421 (REV 1.0) (BDV)Boardview · NM-C421 · 1.67 MB · 28 Apr 2024Boardview zip1.67 MB
- FE4A0 FE5A0 NM-C421 REV 1.0 BOARDVIEW (BDV)(.TVW)
Boardview for the Lenovo LCFC mainboard NM-C421 revision 1.0, covering projects FE4A0 and FE5A0, archived as a 1.71 MB ZIP holding BDV and TVW versions.
Boardview · NM-C421 · 1.71 MB · 27 Apr 2024Boardview zip1.71 MB
NM-C421 BIOS dumps
- nm-c421 beep sound comingBIOS · NM-C421 · 16.0 MB · 12 Nov 2026BIOS bin16.0 MB
- RTS5455 NM-C421 20240307 142615 SVOD4BIOS · NM-C421 · 128 KB · 2 Sept 2026BIOS bin128 KB
- E15.FE4A0 FE5A0 NM-C421BIOS · NM-C421 · 16.0 MB · 2 Aug 2026BIOS bin16.0 MB
- E15.FE4A0 FE5A0 NM-C421BIOS · NM-C421 · 16.0 MB · 25 Jul 2026BIOS bin16.0 MB
- NM-C421 RTS5455 128KB CRC32 0xF2E7DC40
Lenovo NM-C421 firmware for the Realtek RTS5455 Type-C controller, sized for a 128 KB flash chip, with CRC32 0xF2E7DC40.
BIOS · NM-C421 · 46.9 KB · 21 May 2026BIOS rar46.9 KB - LENOVO NM-C421 REV 1.0 BIOS 100% OK(PK)BIOS · NM-C421 · 6.94 MB · 14 Apr 2026BIOS rar6.94 MB
- LENOVO THINKPAD S3 GEN 2 FE4A0 FE5A0 NM C421 REV 1 0 2019 07 05BIOS · NM-C421 · 14.4 MB · 24 Sept 2025BIOS zip14.4 MB
- E15 NM-C421
BIOS binary for the Lenovo E15 notebook on an NM-C421 mainboard, an LCFC board number, LCFC being Lenovo's in-house ODM.
BIOS · NM-C421 · 16.0 MB · 21 Sept 2025BIOS bin16.0 MB - FE4A0 FE5A0 NM C421 REV 1 0 SRGKY CPU I5 10210U 2019 07 05 BIOSBIOS · NM-C421 · 21.7 MB · 20 Sept 2025BIOS zip21.7 MB
- FE4A0 FE5A0 NM C421 REV 1 0 BIOS & KBEC 256KB WORKING BIOS 100%BIOS · NM-C421 · 7.28 MB · 20 Sept 2025BIOS zip7.28 MB
- FE4A0 FE5A0 NM C421 REV 1 0 2019 07 05 i5 SRGKY i5 10210U 216 0923010BIOS · NM-C421 · 21.8 MB · 20 Sept 2025BIOS zip21.8 MB
- FE4A0 FE5A0 NM C421 REV 1 0 2019 07 05 BIOS & EC WORKING BIOS 100%BIOS · NM-C421 · 14.5 MB · 20 Sept 2025BIOS zip14.5 MB
- FE4A0 FE5A0 NM C421 R1 0 MX25L12872F@SOP8 FE4A0 FE5A0 NM C421 R1BIOS · NM-C421 · 7.23 MB · 20 Sept 2025BIOS zip7.23 MB
- FE4A0 FE5A0 NM C421 Rev 1 0 W25Q128 telegram BIOS Repair 2025 09BIOS · NM-C421 · 7.26 MB · 20 Sept 2025BIOS zip7.26 MB
- FE4A0 FE5A0 NM C421 2019 07 05 Rev1 0 W25Q128 telegram BIOS RepairBIOS · NM-C421 · 7.26 MB · 20 Sept 2025BIOS zip7.26 MB
- FE4A0 FE5A0 NM C421 REV 1 0 2019 07 05 16MB TESTED OK telegram BIOSBIOS · NM-C421 · 7.23 MB · 20 Sept 2025BIOS zip7.23 MB
- NM-C421 RTS5455 C-PORT IC BIOS OK TESTEDBIOS · NM-C421 · 47.0 KB · 13 Sept 2025BIOS rar47.0 KB
- Lenovo e15 NM C421 REV 1 with passwordBIOS · NM-C421 · 6.94 MB · 31 Aug 2025BIOS rar6.94 MB
- FE4A0 FE5A0 NM-C421 Rev 1.0 W25Q128BIOS · NM-C421 · 16.0 MB · 13 May 2025BIOS bin16.0 MB
- FE4A0 FE5A0 NM-C421 Rev 1.0 W25Q128BIOS · NM-C421 · 16.0 MB · 12 May 2025BIOS bin16.0 MB
- Lenovo FE4A0 FE5A0 NM-C421 REV 1.0BIOS · NM-C421 · 16.0 MB · 9 May 2025BIOS bin16.0 MB
- Lenovo FE4A0 FE5A0 NM-C421 REV 1.0 PATCHEDBIOS · NM-C421 · 16.0 MB · 8 May 2025BIOS bin16.0 MB
- NM-C421BIOS · NM-C421 · 16.0 MB · 5 May 2025BIOS bin16.0 MB
- s3 nm-c421BIOS · NM-C421 · 16.0 MB · 5 May 2025BIOS bin16.0 MB
- LENOVO THINKPAD E15 Type 20RD, 20RE NM C421 REV 1 TESTED FST FIXBIOS · NM-C421 · 16.0 MB · 5 May 2025BIOS bin16.0 MB
- Lenovo Thinkpad E14 20RA FE4A0 FE5A0 NM C421 REV 1 0 Tasted BY FBIOS · NM-C421 · 16.0 MB · 5 May 2025BIOS bin16.0 MB
- NM C421 REV 1 TESTED OKBIOS · NM-C421 · 16.0 MB · 5 May 2025BIOS bin16.0 MB
- nm C421 rev 1.0BIOS · NM-C421 · 16.0 MB · 5 May 2025BIOS bin16.0 MB
- NM C421 REV 1 TESTED OKBIOS · NM-C421 · 16.0 MB · 5 May 2025BIOS bin16.0 MB
- nm C421 rev 1.0BIOS · NM-C421 · 16.0 MB · 5 May 2025BIOS bin16.0 MB
- NM C421 Rev 1.0. bin BY AadibBIOS · NM-C421 · 6.89 MB · 29 Apr 2025BIOS rar6.89 MB
- nm C421 rev 1.0BIOS · NM-C421 · 16.0 MB · 29 Apr 2025BIOS bin16.0 MB
- NM C421 REV 1 TESTED OKBIOS · NM-C421 · 16.0 MB · 29 Apr 2025BIOS bin16.0 MB
- MX25L12872F@SOP8 FE4A0 FE5A0 NM C421 R1.0BIOS · NM-C421 · 16.0 MB · 29 Apr 2025BIOS bin16.0 MB
- E15 NM C421BIOS · NM-C421 · 16.0 MB · 29 Apr 2025BIOS bin16.0 MB
- E15.FE4A0 FE5A0 NM C421BIOS · NM-C421 · 16.0 MB · 29 Apr 2025BIOS bin16.0 MB
- LENOVO THINKPAD E15 Type 20RD, 20RE NM C421 REV 1 TESTED FST FIX
Raw 16 MB BIOS image for the Lenovo ThinkPad E15, machine types 20RD and 20RE, board NM-C421 revision 1, marked as tested.
BIOS · NM-C421 · 16.0 MB · 23 Dec 2024BIOS bin16.0 MB - NM-C421 REV 1 TESTED OK
BIOS image for Lenovo board NM-C421 revision 1, numbered in the LCFC scheme used by Lenovo's in-house manufacturer.
BIOS · NM-C421 · 16.0 MB · 23 Dec 2024BIOS bin16.0 MB - Lenovo Thinkpad E14 20RA FE4A0 FE5A0 NM C421 REV 1 0 Tasted BY FST
Lenovo ThinkPad E14 BIOS image for machine type 20RA, board NM-C421 revision 1.0, which also carries FE4A0 and FE5A0 codes and follows the LCFC numbering scheme.
BIOS · NM-C421 · 16.0 MB · 23 Dec 2024BIOS bin16.0 MB - Lenovo Thinkpad E14 20RA FE4A0 FE5A0 NM C421 REV 1 0 Tasted BY FST
BIOS dump for the Lenovo ThinkPad E14 machine type 20RA, built on the LCFC board NM-C421 revision 1.0, with FE4A0 and FE5A0 also listed in the name as board codes.
BIOS · NM-C421 · 16.0 MB · 23 Dec 2024BIOS bin16.0 MB - Lenovo Thinkpad E14 20RA FE4A0 FE5A0 NM C421 REV 1 0 Tasted BY FST
A 16 MB SPI flash image for the ThinkPad E14 type 20RA from Lenovo, made for LCFC motherboard NM-C421 Rev 1.0, which the name also tags as FE4A0 and FE5A0.
BIOS · NM-C421 · 16.0 MB · 23 Dec 2024BIOS bin16.0 MB - Lenovo Thinkpad E14 20RA FE4A0 FE5A0 NM C421 REV 1 0 Tasted BY FST
Lenovo ThinkPad E14 (20RA) BIOS binary for board NM-C421 revision 1.0, with FE4A0 and FE5A0 noted as board identifiers and the file marked as tested by FST.
BIOS · NM-C421 · 16.0 MB · 23 Dec 2024BIOS bin16.0 MB - Lenovo Thinkpad E14 20RA FE4A0 FE5A0 NM C421 REV 1 0 Tasted BY FSTBIOS · NM-C421 · 16.0 MB · 23 Dec 2024BIOS bin16.0 MB
- Lenovo Thinkpad E14 20RA FE4A0 FE5A0 NM C421 REV 1 0 Tasted BY FSTBIOS · NM-C421 · 16.0 MB · 23 Dec 2024BIOS bin16.0 MB
- Lenovo Thinkpad E14 20RA FE4A0 FE5A0 NM C421 REV 1 0 Tasted BY FSTBIOS · NM-C421 · 16.0 MB · 23 Dec 2024BIOS bin16.0 MB
- MX25L12872F@SOP8 FE4A0 FE5A0 NM-C421 R1.0BIOS · NM-C421 · 16.0 MB · 19 Oct 2024BIOS bin16.0 MB
- FE4A0 FE5A0 NM C421 REV 1 0 2019 07 05 i5 SRGKY i5 10210U 216 0923010BIOS · NM-C421 · 27.4 MB · 27 Apr 2024BIOS rar27.4 MB
- FE4A0 FE5A0 NM C421 REV 1 0 2019 07 05 BIOS & EC WORKING BIOS 100%BIOS · NM-C421 · 16.0 MB · 27 Apr 2024BIOS rar16.0 MB
- FE4A0 FE5A0 NM C421 REV 1 0 BIOS & KBEC 256KB WORKING BIOS 100%BIOS · NM-C421 · 12.2 MB · 27 Apr 2024BIOS rar12.2 MB
- FE4A0 FE5A0 NM-C421 REV 1.0 2019-07-05 16MB TESTED OK
Lenovo BIOS dump for the LCFC board NM-C421 revision 1.0, used in projects FE4A0 and FE5A0, dated 2019-07-05 and intended for a 16 MB flash chip.
BIOS · NM-C421 · 7.13 MB · 27 Apr 2024BIOS zip7.13 MB - E15 NM-C421BIOS · NM-C421 · 16.0 MB · 8 Oct 2023BIOS bin16.0 MB
- LENOVO THINKPAD S3 GEN 2 FE4A0 FE5A0 NM C421 REV 1 0 2019 07 05
Lenovo ThinkPad S3 Gen 2 BIOS for board NM-C421 revision 1.0, also listing the FE4A0 and FE5A0 project codes and a date of 2019-07-05, in a 19.8 MB RAR archive.
BIOS · NM-C421 · 19.8 MB · 20 Dec 2022BIOS rar19.8 MB - FE4A0 FE5A0 NM C421 REV 1 0 SRGKY CPU I5 10210U 2019 07 05 BIOS
BIOS for the Lenovo LCFC board NM-C421, revision 1.0, used in the FE4A0 and FE5A0 designs, for the version with the Intel Core i5-10210U (S-Spec SRGKY), dated…
BIOS · NM-C421 · 20.7 MB · 10 Sept 2022BIOS rar20.7 MB - E15.FE4A0 FE5A0 NM-C421BIOS · NM-C421 · 16.0 MB · 25 Apr 2022BIOS bin16.0 MB
- FE4A0 FE5A0 NM C421 R1 0 MX25L12872F@SOP8 FE4A0 FE5A0 NM C421 R1
BIOS dump for a Lenovo board numbered NM-C421 revision 1.0, associated with the FE4A0 / FE5A0 project codes, an LCFC design.
BIOS · NM-C421 · 6.92 MB · 20 Jan 2022BIOS rar6.92 MB - FE4A0 FE5A0 NM-C421 2019-07-05-Rev1.0 W25Q128
Lenovo BIOS image for the FE4A0 and FE5A0 platforms on the LCFC board NM-C421, revision 1.0, dated 2019-07-05, intended for a W25Q128 flash chip, which is a 16 MB SPI…
BIOS · NM-C421 · 6.95 MB · 14 Apr 2021BIOS rar6.95 MB - FE4A0 FE5A0 NM-C421 Rev 1.0 W25Q128
Dump for the Lenovo FE4A0 and FE5A0 designs on LCFC motherboard NM-C421 rev 1.0, targeting a W25Q128 SPI flash with 128 Mbit (16 MB) capacity.
BIOS · NM-C421 · 6.95 MB · 14 Apr 2021BIOS rar6.95 MB
NM-C421 archives
- NM-C421 1.0Archive · NM-C421 · 4.90 MB · 4 Aug 2026Archive zip4.90 MB
- NM-C421 1.0Archive · NM-C421 · 4.90 MB · 12 Sept 2025Archive zip4.90 MB
- FE4A0 FE5A0 NM C421 (REV 1.0) (2019 07 05)Archive · NM-C421 · 6.79 MB · 29 Apr 2025Archive rar6.79 MB
- FE4A0 FE5A0 NM C421 (REV 1Archive · NM-C421 · 27.6 MB · 29 Apr 2025Archive rar27.6 MB
- Lenovo FE4A0 FE5A0 NM-C421 REV 1.0 con contraseñaArchive · NM-C421 · 6.93 MB · 2 Dec 2024Archive rar6.93 MB
- Photos NM-C421Archive · NM-C421 · 21.1 MB · 2 Nov 2023Archive zip21.1 MB
- FE4A0 FE5A0 NM-C421 (REV 1.0) (2019-07-05)Archive · NM-C421 · 7.09 MB · 10 Jul 2023Archive rar7.09 MB
Questions about NM-C421
Is there a schematic for NM-C421?
Yes. Enginerys lists 22 schematic files for NM-C421. Each entry links to the Telegram post where the PDF can be downloaded.
Is there a boardview for NM-C421?
Yes, 7 boardview files are listed. Open them with OpenBoardView or the viewer named on the file page.
Who makes the NM-C421 board?
NM-C421 follows the LCFC (Lenovo) numbering scheme (NM-xxxx). It is found in Lenovo devices.