NM-B451 is a LCFC (Lenovo) motherboard used in Lenovo devices. Enginerys has 16 schematics, 16 boardviews, 35 BIOS dumps and 6 archives for this board, collected from public Telegram channels.
Check that NM-B451 matches the number printed on your PCB, including the revision. Where to find it →
NM-B451 schematics
- LCFC EG521 EG522 NM-B451 Rev 0.2 UMA Schematic PDF(PK)Schematic · NM-B451 · 2.85 MB · 11 Mar 2026Schematic pdf2.85 MB
- Esquemas Lenovo IDEAPAD 320 - LCFC EG521 EG522 NM-B451 UMASchematic · NM-B451 · 2.73 MB · 9 May 2025Schematic pdf2.73 MB
- G320 KBL-R UMA NM-B451 SIT SCHSchematic · NM-B451 · 2.68 MB · 5 May 2025Schematic pdf2.68 MB
- AFS..LCFC EG521 EG522 NM-B451 Rev 0.2 UMA PDF
LCFC schematic for the NM-B451 motherboard, revision 0.2, with the EG521 and EG522 project codes and a UMA build, meaning integrated graphics with no discrete GPU.
Schematic · NM-B451 · 2.94 MB · 23 Feb 2024Schematic pdf2.94 MB - Esquemas Lenovo IDEAPAD 320 - LCFC EG521 EG522 NM-B451 UMASchematic · NM-B451 · 2.69 MB · 2 Mar 2023Schematic rar2.69 MB
- LCFC EG521 EG522 NM-B451 Rev 0.2 UMA PDF
PDF schematic of LCFC project EG521/EG522, board NM-B451, revision 0.2, UMA version with integrated graphics only.
Schematic · NM-B451 · 2.85 MB · 16 Nov 2022Schematic pdf2.85 MB - LCFC EG521 EG522 NM-B451 Rev 0.2 UMASchematic · NM-B451 · 2.85 MB · 25 Jul 2022Schematic pdf2.85 MB
- LCFC NM-B451 UMASchematic · NM-B451 · 2.71 MB · 20 May 2022Schematic pdf2.71 MB
- LCFC EG521 EG522 NM-B451 Rev 0.2 UMA PDF
PDF schematic for an LCFC board NM-B451, revision 0.2, covering the EG521/EG522 projects in the UMA build, meaning integrated graphics without a discrete GPU.
Schematic · NM-B451 · 2.61 MB · 26 Feb 2022Schematic rar2.61 MB - Lenovo IdeaPad 320-15IKB LCFC NM-B451 UMA Schematic
Schematic for the Lenovo IdeaPad 320-15IKB on the LCFC NM-B451 mainboard, the UMA version that uses integrated graphics with no discrete GPU.
Schematic · NM-B451 · 2.71 MB · 13 Sept 2021Schematic pdf2.71 MB - LENOVO EG521 EG522 EZ511 EG721 NM-B451 R1.0
Revision 1.0 schematic covering board NM-B451, shared by the Lenovo EG521, EG522, EZ511 and EG721 models, in PDF.
Schematic · NM-B451 · 2.85 MB · 13 Sept 2021Schematic pdf2.85 MB - LENOVO IDEAPAD 320 LCFC EG521 EG522 NM B451 UMA VÃ DEO INTEGRADOSchematic · NM-B451 · 2.73 MB · 18 Aug 2021Schematic pdf2.73 MB
- Lenovo IdeaPad 320-15IKB LCFC NM-B451 UMA Schematic
Schematic package for the Lenovo IdeaPad 320-15IKB built on the LCFC NM-B451 motherboard, in the UMA version that relies on integrated graphics with no discrete GPU.
Schematic · NM-B451 · 3.88 MB · 23 Apr 2021Schematic rar3.88 MB - Lenovo IdeaPad 320-15IKB LCFC NM-B451 UMA SchematicSchematic · NM-B451 · 2.55 MB · 31 Mar 2021Schematic rar2.55 MB
- Lenovo IdeaPad 320-15IKB LCFC NM-B451 UMA Schematic
Schematic for the Lenovo IdeaPad 320-15IKB on LCFC board NM-B451, the UMA variant using integrated graphics only, packed in a 2.59 MB RAR.
Schematic · NM-B451 · 2.59 MB · 6 Mar 2021Schematic rar2.59 MB - ideapad 320 15IKB DG421 DG521 DG721 NM B242 NM B241 NM B451 RevSchematic · NM-B242 · 21.6 MB · 17 Jul 2020Schematic pdf21.6 MB
NM-B451 boardviews
- EG521EG522EZ511EG721 NM-B451 REV 02 UMA BOARDVIEW(PK)Boardview · NM-B451 · 978 KB · 8 Sept 2025Boardview rar978 KB
- Boardview Lenovo IDEAPAD 330 15IKB LCFC NM B451 REV 0 2 BOARDVIBoardview · NM-B451 · 5.31 MB · 9 May 2025Boardview tvw5.31 MB
- NM-B451 R02 UMA
Compressed package for LCFC board NM-B451, revision 0.2, UMA variant without discrete graphics, about 2 MB in ZIP.
Boardview · NM-B451 · 2.00 MB · 17 Oct 2024Boardview zip2.00 MB - EG521EG522EZ511EG721 NM-B451 REV 02 UMA BOARDVIEW(BDV)(.TVW)
Boardview for the LCFC board NM-B451 revision 02, UMA version without dedicated graphics, used across the EG521, EG522, EZ511 and EG721 platforms found in Lenovo IdeaPad…
Boardview · NM-B451 · 979 KB · 17 Oct 2024Boardview rar979 KB - Lenovo Ideapad 330-15IKB LCFC NM-B451 Rev0.2
TVW boardview for the Lenovo IdeaPad 330-15IKB, built on LCFC mainboard NM-B451 revision 0.2. NM-prefixed numbers belong to LCFC, the Lenovo ODM.
Boardview · NM-B451 · 5.31 MB · 17 Oct 2024Boardview tvw5.31 MB - EG521 EG522 EZ511 EG721 NM-B451 (UMA)Boardview · NM-B451 · 5.31 MB · 22 Sept 2024Boardview tvw5.31 MB
- Lenovo IdeaPad 320-15IKB LCFC NM-B451 UMA BoardviewBoardview · NM-B451 · 1.93 MB · 8 Sept 2023Boardview rar1.93 MB
- NM-B451 REV 0.2 UMABoardview · NM-B451 · 2.00 MB · 20 Jul 2023Boardview zip2.00 MB
- Boardview Lenovo IDEAPAD 330 15IKB LCFC NM B451 REV 0 2 BOARDVIEWBoardview · NM-B451 · 979 KB · 2 Mar 2023Boardview rar979 KB
- NM-B451 R02 UMA.tvwBoardview · NM-B451 · 1.93 MB · 25 Jul 2022Boardview zip1.93 MB
- NM-B451 REV 0.2 UMABoardview · NM-B451 · 5.31 MB · 8 Dec 2021Boardview tvw5.31 MB
- LENOVO IDEAPAD 330-15IKB LCFC NM-B451 REV 0.2 (BOARDVIEW)
Boardview for the Lenovo IdeaPad 330-15IKB, built on the LCFC board NM-B451 at revision 0.2, packed in a 1 MB RAR archive.
Boardview · NM-B451 · 1.00 MB · 18 Nov 2021Boardview rar1.00 MB - NM-B451 R02 UMA
Lenovo boardview for the LCFC-designed NM-B451 motherboard, revision R02, in the UMA variant, meaning graphics run from the processor with no discrete GPU fitted.
Boardview · NM-B451 · 5.31 MB · 16 Sept 2021Boardview tvw5.31 MB - Lenovo IdeaPad 320-15IKB LCFC NM-B451 UMA BoardviewBoardview · NM-B451 · 1.93 MB · 31 Mar 2021Boardview zip1.93 MB
- Lenovo IdeaPad 320-15IKB LCFC NM-B451 UMA Boardview
Boardview for the Lenovo IdeaPad 320-15IKB, LCFC mainboard NM-B451 in its UMA configuration with integrated graphics, compressed into a 1.98 MB ZIP.
Boardview · NM-B451 · 1.98 MB · 6 Mar 2021Boardview zip1.98 MB - LENOVO IDEAPAD 330-15IKB LCFC NM-B451 REV 0.2 (BOARDVIEW)
Boardview for the Lenovo IdeaPad 330-15IKB on LCFC board NM-B451, revision 0.2, packed in a 979 KB RAR. NM- numbers follow LCFC, the Lenovo-owned ODM.
Boardview · NM-B451 · 979 KB · 23 Feb 2021Boardview rar979 KB
NM-B451 BIOS dumps
- NM-B451 OLDBIOS · NM-B451 · 8.00 MB · 19 Oct 2026BIOS8.00 MB
- LENOVO EG521 EG522 EZ511 EG721 NM B451 REV 1 0 2017 06 26 8MB BIOS+ECBIOS · NM-B451 · 4.94 MB · 13 Jun 2026BIOS rar4.94 MB
- LENOVO THINKPAD P50 EG521EG522EZ511EG721 NM B451 REV 1 0 2017 06BIOS · NM-B451 · 7.80 MB · 24 Sept 2025BIOS zip7.80 MB
- LENOVO IDEAPAD 330 15IKB EG521EG522EZ511EG721 NM B451 REV 1 0 2017BIOS · NM-B451 · 5.27 MB · 24 Sept 2025BIOS zip5.27 MB
- LENOVO EG521EG522EZ511EG721 NM B451 REV 1 0 2017 06 26 8MB BIOSBIOS · NM-B451 · 5.13 MB · 24 Sept 2025BIOS zip5.13 MB
- IdeaPad330 15IKB EG521EG522EZ511EG721 NM B451 REV1 0 BIN telegramBIOS · NM-B451 · 5.23 MB · 23 Sept 2025BIOS zip5.23 MB
- EG521 EG522 EG751 EG721 NM B451 REV 1 0 2017 06 26 7GEN TH BLUEBIOS · NM-B451 · 10.5 MB · 20 Sept 2025BIOS zip10.5 MB
- EG521EG522EZ511EG721 NM B451 REV 1 0 2017 06 26 WORKING BIOS 100%BIOS · NM-B451 · 5.33 MB · 20 Sept 2025BIOS zip5.33 MB
- EG521 EG522 EZ511 EG721 NM B451 REV 1 0 telegram BIOS Repair 2025BIOS · NM-B451 · 5.30 MB · 20 Sept 2025BIOS zip5.30 MB
- LENOVO EG521EG522EZ511EG721 NM B451 REV 1 0 2017 06 26 8MB BIOSBIOS · NM-B451 · 4.98 MB · 3 Jun 2025BIOS rar4.98 MB
- LENOVO EG521EG522EZ511EG721 NM B451 REV 1 0 2017 06 26 8MB BIOS
Lenovo BIOS dump for board NM-B451 rev 1.0, dated 2017-06-26 and sized for an 8 MB SPI flash chip.
BIOS · NM-B451 · 5.03 MB · 31 May 2025BIOS rar5.03 MB - LENOVO 330 15IKB Type 81DE EG521EG522EZ511EG721 NM B451 REV1 0 8BIOS · NM-B451 · 8.00 MB · 12 May 2025BIOS bin8.00 MB
- nm-b451 originalBIOS · NM-B451 · 8.00 MB · 12 May 2025BIOS bin8.00 MB
- Lenovo Ideapad 320-15IKB NM-B451 BiosBIOS · NM-B451 · 8.00 MB · 9 May 2025BIOS bin8.00 MB
- LENOVO 330 15IKB Type 81DE EG521EG522EZ511EG721 NM B451 REV1 0 8BIOS · NM-B451 · 8.00 MB · 9 May 2025BIOS bin8.00 MB
- nm-b451 originalBIOS · NM-B451 · 8.00 MB · 7 May 2025BIOS bin8.00 MB
- EG521 EG522 EG751 EG721 NM B451 REV 1.0 2017 06 26 BLUE oldBIOS · NM-B451 · 8.00 MB · 29 Apr 2025BIOS bin8.00 MB
- EG521EG522EZ511EG721 NM B451 REV 1 0 2017 06 26 WORKING BIOS 100%BIOS · NM-B451 · 6.04 MB · 15 Dec 2024BIOS rar6.04 MB
- NM-B451 ecBIOS · NM-B451 · 128 KB · 15 Dec 2024BIOS bin128 KB
- EG521EG522EZ511EG721 NM B451 REV 1 0 2017 06 26 WORKING BIOS 100%
Working BIOS dump for the LCFC NM-B451 board revision 1.0, dated 2017-06-26, covering the EG521, EG522, EZ511 and EG721 platforms used in Lenovo IdeaPad laptops…
BIOS · NM-B451 · 6.09 MB · 17 Oct 2024BIOS rar6.09 MB - LENOVO 330 15IKB Type 81DE EG521EG522EZ511EG721 NM B451 REV1 0 8MBBIOS · NM-B451 · 8.00 MB · 23 May 2024BIOS bin8.00 MB
- LENOVO IDEAPAD 330 15IKB EG521EG522EZ511EG721 NM B451 REV 1 0 2017
BIOS archive for the Lenovo IdeaPad 330-15IKB on board NM-B451 revision 1.0 from 2017, about 4.91 MB in RAR form.
BIOS · NM-B451 · 4.91 MB · 29 Jan 2024BIOS rar4.91 MB - LENOVO THINKPAD P50 EG521EG522EZ511EG721 NM B451 REV 1 0 2017 06
BIOS archive labelled for the Lenovo ThinkPad P50 with board NM-B451 revision 1.0, dated June 2017, in a 9.33 MB RAR.
BIOS · NM-B451 · 9.33 MB · 29 Jan 2024BIOS rar9.33 MB - LENOVO IDEAPAD 330 15IKB EG521EG522EZ511EG721 NM B451 REV 1 0 2017
Another BIOS package for the Lenovo IdeaPad 330-15IKB, board NM-B451 revision 1.0 from 2017, here a 5.76 MB RAR, larger than a similarly named archive.
BIOS · NM-B451 · 5.76 MB · 29 Jan 2024BIOS rar5.76 MB - EG521 EG522 EG751 EG721 NM-B451 REV 1.0 2017-06-26 BLUE oldBIOS · NM-B451 · 8.00 MB · 8 Oct 2023BIOS bin8.00 MB
- LENOVO 330 15IKB Type 81DE EG521EG522EZ511EG721 NM B451 REV1 0 8MBBIOS · NM-B451 · 8.00 MB · 15 May 2023BIOS bin8.00 MB
- LENOVO 330 15IKB EG521 EG522 EZ511 G721 NM B451 BIOS 8MB + EC BIOSBIOS · NM-B451 · 8.00 MB · 15 May 2023BIOS bin8.00 MB
- Lenovo Ideapad 320-15IKB (Type 81DC) 8RCN50WW NM-B451 8MBBIOS · NM-B451 · 4.85 MB · 5 Feb 2023BIOS rar4.85 MB
- Lenovo Ideapad 320-15IKB NM-B451 BiosBIOS · NM-B451 · 5.04 MB · 26 Oct 2021BIOS rar5.04 MB
- EG521 EG522 EG751 EG721 NM B451 REV 1 0 2017 06 26 7GEN TH BLUE
Lenovo firmware for the NM-B451 board, revision 1.0, used in the EG521, EG522, EG751 and EG721 platforms, dated 26 June 2017 and tagged for 7th-generation Intel…
BIOS · NM-B451 · 10.2 MB · 21 Oct 2021BIOS rar10.2 MB - IdeaPad330-15IKB EG521EG522EZ511EG721 NM-B451 REV1.0.BIN
BIOS dump for the Lenovo IdeaPad 330-15IKB built on the LCFC NM-B451 motherboard, revision 1.0, packed as a zip archive of about 5 MB.
BIOS · NM-B451 · 5.12 MB · 14 Jul 2021BIOS zip5.12 MB - EG521 EG522 EZ511 EG721 NM-B451 (REV 1.0)
Firmware image set for the LCFC NM-B451 mainboard, revision 1.0, associated with the Lenovo platform codes EG521, EG522, EZ511 and EG721.
BIOS · NM-B451 · 5.21 MB · 14 Jul 2021BIOS zip5.21 MB - LENOVO 330 15IKB Type 81DE EG521EG522EZ511EG721 NM B451 REV1 0 8MBBIOS · NM-B451 · 4.97 MB · 24 Oct 2020BIOS rar4.97 MB
- 8mb-2BIOS · NM-B451 · 8.00 MB · 17 Aug 2020BIOS bin8.00 MB
- IdeaPad330-15IKB EG521EG522EZ511EG721 NM-B451 REV1.0.BINBIOS · NM-B451 · 5.08 MB · 26 May 2020BIOS zip5.08 MB
NM-B451 archives
- EG521 EG522 EZ511 EG721 NM-B451 (REV 1.0) (2016-06-26)Archive · NM-B451 · 5.13 MB · 10 Jul 2023Archive rar5.13 MB
- Lenovo EG521 EG522 EG751 EG721 NM B451 REV 1.0 7GENArchive · NM-B451 · 10.1 MB · 2 Mar 2023Archive rar10.1 MB
- Lenovo 330 15IKB EG521 EG522 EZ511 G721 NM-B451Archive · NM-B451 · 4.86 MB · 2 Mar 2023Archive rar4.86 MB
- LENOVO EG521 EG522 EZ511 EG721 NM-B451 R1.0
Lenovo repair archive covering the EG521, EG522, EZ511 and EG721 project codes on board NM-B451 revision 1.0.
Archive · NM-B451 · 2.61 MB · 10 Feb 2021Archive rar2.61 MB - yoga 330 nm-b451 rev 1.0
Archive for the Lenovo Yoga 330 notebook, motherboard NM-B451 revision 1.0, 5.04 MB in RAR format, with the contents not described in the name.
Archive · NM-B451 · 5.04 MB · 19 Dec 2020Archive rar5.04 MB - Lenovo Ideapad 320-15IKB (Type 81DC) 8RCN50WW NM-B451
Archive for the Lenovo IdeaPad 320-15IKB, machine type 81DC, BIOS version 8RCN50WW, on LCFC board NM-B451, packed as a 4.89 MB RAR.
Archive · NM-B451 · 4.89 MB · 19 Dec 2020Archive rar4.89 MB
Questions about NM-B451
Is there a schematic for NM-B451?
Yes. Enginerys lists 16 schematic files for NM-B451. Each entry links to the Telegram post where the PDF can be downloaded.
Is there a boardview for NM-B451?
Yes, 16 boardview files are listed. Open them with OpenBoardView or the viewer named on the file page.
Who makes the NM-B451 board?
NM-B451 follows the LCFC (Lenovo) numbering scheme (NM-xxxx). It is found in Lenovo devices.