NM-B661 is a LCFC (Lenovo) motherboard used in Lenovo devices. Enginerys has 9 schematics, 16 boardviews, 45 BIOS dumps and 4 archives for this board, collected from public Telegram channels.
Check that NM-B661 matches the number printed on your PCB, including the revision. Where to find it →
NM-B661 schematics
- NM B661 EG431 EG532 MB V10 20180302 Lenovo IdeaPad 330 14IGM PDFSchematic · NM-B661 · 4.43 MB · 5 Apr 2026Schematic rar4.43 MB
- NM B661 EG431 EG532 MB V10 20180302 Lenovo IdeaPad 330 14IGM PDFSchematic · NM-B661 · 3.73 MB · 15 Aug 2025Schematic pdf3.73 MB
- AFS NM B661 EG431 EG532 MB V10 20180302 Lenovo IdeaPad 330 14IGM
Lenovo IdeaPad 330-14IGM motherboard schematic in PDF, board NM-B661 covering the EG431 and EG532 projects. It is version 1.0, dated 2018-03-02.
Schematic · NM-B661 · 1.49 MB · 23 Feb 2024Schematic pdf1.49 MB - NM B661 EG431 EG532 MB V10 20180302 Lenovo IdeaPad 330 14IGM PDFSchematic · NM-B661 · 9.26 MB · 16 Nov 2022Schematic pdf9.26 MB
- NM B661 EG431 EG532 MB V10 20180302 Lenovo IdeaPad 330 14IGM PDF
Schematic PDF for the Lenovo IdeaPad 330-14IGM, LCFC board NM-B661 with project codes EG431 and EG532, mainboard version 1.0, dated 2018-03-02.
Schematic · NM-B661 · 4.47 MB · 6 Feb 2022Schematic rar4.47 MB - Lenovo IdeaPad 330-14IGM NM-B661 EG431 EG532 MB V10 PDF
Lenovo IdeaPad 330-14IGM schematic for the NM-B661 mainboard, covering the EG431 and EG532 platforms, with MB V10 most likely marking version 1.0.
Schematic · NM-B661 · 3.73 MB · 13 Sept 2021Schematic pdf3.73 MB - Lenovo IdeaPad 330-14IGM NM-B661 EG431 EG532 MB V10 PDF
Schematic for the Lenovo IdeaPad 330-14IGM motherboard, LCFC board NM-B661, with platform codes EG431 and EG532 and the MB V10 marking, delivered as a PDF in a 3.43 MB…
Schematic · NM-B661 · 3.43 MB · 14 Jul 2021Schematic rar3.43 MB - NM B661 EG431 EG532 MB V10 20180302 Lenovo IdeaPad 330 14IGMEsquemasSchematic · NM-B661 · 3.55 MB · 11 Jul 2021Schematic rar3.55 MB
- NM B661 EG431 EG532 MB V10 20180302 Lenovo IdeaPad 330-14IGM
Lenovo schematic for board NM-B661, project codes EG431 and EG532, version V10 dated 2018-03-02, made for the IdeaPad 330-14IGM, in a 3.73 MB PDF.
Schematic · NM-B661 · 3.73 MB · 4 Jan 2021Schematic pdf3.73 MB
NM-B661 boardviews
- NM B661 R10Boardview · NM-B661 · 2.08 MB · 26 Sept 2025Boardview zip2.08 MB
- EG431 EG532 FG5N2 NM-B661 (REV 1.0) (BDV)(PK)Boardview · NM-B661 · 1.02 MB · 15 Aug 2025Boardview rar1.02 MB
- NM B661 REV 1.0 BDV(PK)Boardview · NM-B661 · 1.02 MB · 15 Aug 2025Boardview rar1.02 MB
- LCFC NM-B661 EG431 EG532 Rev1.0 Boardview(PK)Boardview · NM-B661 · 1.02 MB · 15 Aug 2025Boardview rar1.02 MB
- NM B661 R10Boardview · NM-B661 · 5.53 MB · 12 May 2025Boardview tvw5.53 MB
- NM B661 R10Boardview · NM-B661 · 5.53 MB · 7 May 2025Boardview tvw5.53 MB
- NM B661 R10Boardview · NM-B661 · 2.08 MB · 8 Feb 2024Boardview zip2.08 MB
- EG431 EG532 FG5N2 NM-B661 (REV 1.0) (BDV)Boardview · NM-B661 · 5.53 MB · 16 Nov 2022Boardview tvw5.53 MB
- EG431 EG532 FG5N2 NM-B661 (REV 1.0) (BDV)
Boardview file for Lenovo models with the EG431, EG532 and FG5N2 codes on the NM-B661 motherboard, revision 1.0, supplied as a ZIP archive.
Boardview · NM-B661 · 2.14 MB · 1 Sept 2022Boardview zip2.14 MB - NM B661 R10.tvw BDV
Boardview file for LCFC mainboard NM-B661, revision 1.0, in TVW format packed in a RAR archive.
Boardview · NM-B661 · 1.07 MB · 6 Feb 2022Boardview rar1.07 MB - LCFC NM-B661 EG431 EG532 Rev1.0 Boardview(TVW)
Boardview in TVW format for the LCFC motherboard NM-B661 at revision 1.0, used in the Lenovo models coded EG431 and EG532.
Boardview · NM-B661 · 5.53 MB · 16 Sept 2021Boardview tvw5.53 MB - LCFC NM-B661 EG431 EG532 Rev1 (1).0 Boardview(TVW)
Boardview for LCFC board NM-B661, revision 1.0, covering projects EG431 and EG532 in Lenovo notebooks.
Boardview · NM-B661 · 2.14 MB · 17 Aug 2021Boardview zip2.14 MB - LCFC NM-B661 EG431 EG532 Rev1.0 Boardview(TVW)
Boardview for the LCFC NM-B661 motherboard used with the EG431 and EG532 designs, revision 1.0, packed as a 2.14 MB ZIP.
Boardview · NM-B661 · 2.14 MB · 7 Aug 2021Boardview zip2.14 MB - 330-15IGM Laptop (ideapad) 7XCN24WW.binBoardview · NM-B661 · 3.76 MB · 11 Jul 2021Boardview zip3.76 MB
- NM B661 R10.tvwBoardview · NM-B661 · 2.06 MB · 11 Jul 2021Boardview zip2.06 MB
- NM B661 R10.tvwBoardview · NM-B661 · 2.02 MB · 21 Jan 2021Boardview zip2.02 MB
NM-B661 BIOS dumps
- LENOVO EG431 EG532 FG5N2 NM-B661 REV;1.0 2018-02-28 BIOSBIOS · NM-B661 · 7.83 MB · 25 Sept 2026BIOS rar7.83 MB
- Lenovo 330 15IGM EG431 EG532 FG5N2 NM B661 Rev 1 0 bios clean me
Lenovo IdeaPad 330-15IGM BIOS for the LCFC board NM-B661 revision 1.0, also associated with codes EG431, EG532 and FG5N2, with the ME region cleaned, in a 3.71 MB RAR.
BIOS · NM-B661 · 3.71 MB · 1 Jun 2026BIOS rar3.71 MB - Lenovo ideapad 330 15IGM NM B661 Rev 1 0 bios clean me test ok
Lenovo IdeaPad 330-15IGM BIOS for LCFC board NM-B661 revision 1.0, ME cleaned and labelled test ok, in a 3.68 MB RAR.
BIOS · NM-B661 · 3.68 MB · 1 Jun 2026BIOS rar3.68 MB - EG431 EG532 FG5N2 NM-B661 REV;1.0 2018-02-28 BIOS OKBIOS · NM-B661 · 3.92 MB · 6 Apr 2026BIOS rar3.92 MB
- LENOVO 330 - 14IGM NM-B661 REV 1.0 BIOS & EC
BIOS and EC firmware set for the Lenovo 330-14IGM laptop on LCFC motherboard NM-B661 revision 1.0, packed in a RAR of about 8.19 MB.
BIOS · NM-B661 · 8.19 MB · 8 Dec 2025BIOS rar8.19 MB - Lenovo IdeaPad EG431 EG532 FG5N2 NM B661 Rev1 0 W25Q64FWSIQ telegramBIOS · NM-B661 · 7.80 MB · 24 Sept 2025BIOS zip7.80 MB
- Lenovo IdeaPad EG431 EG532 FG5N2 NM B661 Rev1 0 W25Q64FWSIQ OK telegramBIOS · NM-B661 · 4.03 MB · 24 Sept 2025BIOS zip4.03 MB
- LENOVO 330 14IGM Laptop ideapad Type 81D0 new NM B661 REV 1 0 telegramBIOS · NM-B661 · 7.83 MB · 24 Sept 2025BIOS zip7.83 MB
- Lenovo IdeaPad EG431 EG532 FG5N2 NM B661 Rev1 0 W25Q64FWSIQ telegramBIOS · NM-B661 · 4.03 MB · 24 Sept 2025BIOS zip4.03 MB
- Lenovo IdeaPad EG431 EG532 FG5N2 NM B661 Rev1 1 0 W25Q64FWSIQ telegramBIOS · NM-B661 · 4.03 MB · 24 Sept 2025BIOS zip4.03 MB
- Lenovo Ideapad 330 15IGM EG431 EG5N2 NM B661 BIOS telegram BIOSBIOS · NM-B661 · 3.93 MB · 24 Sept 2025BIOS zip3.93 MB
- LENOVO 330 14IGM EG431 EG531 NM B661 REV 0 1 2017 09 26 TB telegramBIOS · NM-B661 · 3.91 MB · 23 Sept 2025BIOS zip3.91 MB
- LENOVO 330 14IGM NM B661 REV 1 0 ORGINAL BIOS telegram BIOS RepairBIOS · NM-B661 · 4.19 MB · 23 Sept 2025BIOS zip4.19 MB
- EG431 EG532 FG5N2 NM B661 REV 1 0 telegram BIOS Repair 2025 09 16BIOS · NM-B661 · 4.14 MB · 20 Sept 2025BIOS zip4.14 MB
- Lenovo IdeaPad EG431 EG532 FG5N2 NM B661 Rev1 0 W25Q64FWSIQBIOS · NM-B661 · 8.00 MB · 9 May 2025BIOS bin8.00 MB
- NM B661 CLEAN MEBIOS · NM-B661 · 8.00 MB · 5 May 2025BIOS bin8.00 MB
- NM B661 CLEAN MEBIOS · NM-B661 · 8.00 MB · 29 Apr 2025BIOS bin8.00 MB
- 330-15igm NM-B661 TBBIOS · NM-B661 · 8.00 MB · 17 Feb 2025BIOS bin8.00 MB
- LENOVO 330 14IGM EG431 EG532 FG5N2 NM B661 REV 1 0 2018 02 28 BIOS
BIOS package for the Lenovo 330-14IGM on LCFC board NM-B661 revision 1.0, with EG431, EG532 and FG5N2 codes and a 2018-02-28 date in its name, packed in a 4.22 MB ZIP.
BIOS · NM-B661 · 4.22 MB · 15 Feb 2025BIOS zip4.22 MB - LENOVO 330 - 14IGM NM-B661 REV 1.0 ORGINAL BIOS
Original BIOS for the Lenovo 330-14IGM on board NM-B661 at revision 1.0, delivered as a 3.97 MB RAR. The NM- code is LCFC's board numbering, used for Lenovo laptops.
BIOS · NM-B661 · 3.97 MB · 15 Feb 2025BIOS rar3.97 MB - LENOVO 330 14IGM Laptop ideapad Type 81D0 new NM B661 REV 1 0
BIOS archive for the Lenovo ideapad 330-14IGM, machine type 81D0, on board NM-B661 revision 1.0, labelled as new, in a 7.52 MB RAR.
BIOS · NM-B661 · 7.52 MB · 15 Feb 2025BIOS rar7.52 MB - 330 15IGM Laptop ideapad Type 81D1 NM B661 REV 1 TESTED BY FST FIX
Lenovo ideapad 330-15IGM BIOS, machine type 81D1, for an LCFC NM-B661 motherboard revision 1, marked as tested and fixed.
BIOS · NM-B661 · 3.68 MB · 23 Dec 2024BIOS rar3.68 MB - AFS Lenovo IdeaPad EG431 EG532 FG5N2 NM B661 Rev1 0 W25Q64FWSIQ
Lenovo IdeaPad BIOS dump for the NM-B661 motherboard, revision 1.0, used in designs labelled EG431, EG532 and FG5N2.
BIOS · NM-B661 · 3.76 MB · 1 Feb 2024BIOS rar3.76 MB - AFS Lenovo IdeaPad EG431 EG532 FG5N2 NM B661 Rev1 1 0 W25Q64FWSIQ
Alternative copy of the BIOS image for Lenovo IdeaPad boards numbered NM-B661, shared by the EG431, EG532 and FG5N2 designs, marked Rev 1.0 and packed as a 3.76 MB RAR.
BIOS · NM-B661 · 3.76 MB · 1 Feb 2024BIOS rar3.76 MB - AFS Lenovo Ideapad 330-15IGM EG431 EG5N2 NM-B661 BIOS
BIOS image for the Lenovo IdeaPad 330-15IGM on the LCFC NM-B661 board, with EG431 and EG5N2 given as the design codes.
BIOS · NM-B661 · 3.71 MB · 1 Feb 2024BIOS rar3.71 MB - AFS Lenovo IdeaPad EG431 EG532 FG5N2 NM B661 Rev1 0 W25Q64FWSIQBIOS · NM-B661 · 3.76 MB · 1 Feb 2024BIOS rar3.76 MB
- AFS Lenovo IdeaPad EG431 EG532 FG5N2 NM B661 Rev1 0 W25Q64FWSIQBIOS · NM-B661 · 7.41 MB · 1 Feb 2024BIOS rar7.41 MB
- LENOVO EG431 EG532 FG5N2 NM-B661 REV 1.0 TESTEDBIOS · NM-B661 · 3.69 MB · 26 Aug 2023BIOS rar3.69 MB
- LENOVO IDEAPAD 330 14IGM TYPE 81D0 EG431 EG532 FG5N2 NM B661 REV
BIOS package for the Lenovo IdeaPad 330-14IGM, machine type 81D0, on board NM-B661 with EG431, EG532 and FG5N2 also listed, which are LCFC board family codes.
BIOS · NM-B661 · 7.52 MB · 12 Jun 2023BIOS rar7.52 MB - LENOVO 330-14IGM EG431 EG531 NM-B661 REV 0.1 2017-09-26 (TB)
BIOS dump for the Lenovo IdeaPad 330-14IGM on the LCFC board NM-B661 revision 0.1, with the EG431 and EG531 model codes and a board date of 2017-09-26.
BIOS · NM-B661 · 3.72 MB · 20 Mar 2023BIOS rar3.72 MB - LENOVO 330 14IGM EG431 EG531 NM B661 REV 0 1 2017 09 26 QNV9 N4000
Firmware for the Lenovo 330-14IGM, with the EG431 and EG531 codes, on board NM-B661 revision 0.1 dated 2017-09-26.
BIOS · NM-B661 · 9.57 MB · 20 Mar 2023BIOS rar9.57 MB - Lenovo Ideapad 330-15IGM EG431 EG5N2 NM-B661 BIOSBIOS · NM-B661 · 3.71 MB · 24 Apr 2022BIOS rar3.71 MB
- Lenovo IdeaPad EG431 EG532 FG5N2 NM B661 Rev1 0 W25Q64FWSIQ
BIOS package for Lenovo IdeaPad models on LCFC board NM-B661 revision 1.0, with EG431, EG532 and FG5N2 project codes in the title.
BIOS · NM-B661 · 7.47 MB · 30 Jan 2022BIOS rar7.47 MB - 330-15IGM NM-B661 TB.BIN [DIAGRAMAS.COM.BR]BIOS · NM-B661 · 3.78 MB · 23 Oct 2021BIOS zip3.78 MB
- NM-B661 CLEAN MEBIOS · NM-B661 · 8.00 MB · 25 Sept 2021BIOS bin8.00 MB
- Vinafix Lenovo IdeaPad EG431 EG532 FG5N2 NM B661 Rev1 0 W25Q64FWSIQ
Raw 8 MB BIOS dump for a Lenovo IdeaPad on LCFC board NM-B661 revision 1.0, with project codes EG431, EG532 and FG5N2.
BIOS · NM-B661 · 8.00 MB · 2 Aug 2021BIOS bin8.00 MB - NM-B661 BKP workingBIOS · NM-B661 · 8.00 MB · 18 May 2021BIOS bin8.00 MB
- EG431 EG532 FG5N2 NM-B661 (REV 1.0)
Lenovo firmware archive for the EG431/EG532 and FG5N2 projects on LCFC board NM-B661, revision 1.0, in a 7.76 MB RAR.
BIOS · NM-B661 · 7.76 MB · 23 Mar 2021BIOS rar7.76 MB - Lenovo IdeaPad EG431 EG532 FG5N2 NM B661 Rev1 0 W25Q64FWSIQ OK
BIOS dump for Lenovo IdeaPad boards with the codes EG431, EG532 and FG5N2, using the LCFC board NM-B661, revision 1.0.
BIOS · NM-B661 · 3.81 MB · 16 Mar 2021BIOS rar3.81 MB - Lenovo Ideapad 330 15IGM EG431 EG5N2 NM B661 BIOS Luirons BiosBIOS · NM-B661 · 3.71 MB · 22 Feb 2021BIOS rar3.71 MB
- Lenovo IdeaPad EG431 EG532 FG5N2 NM B661 Rev1 0 W25Q64FWSIQ LuironsBIOS · NM-B661 · 3.77 MB · 22 Feb 2021BIOS rar3.77 MB
- Lenovo IdeaPad EG431 EG532 FG5N2 NM B661 Rev1 1 0 W25Q64FWSIQ LuironsBIOS · NM-B661 · 3.77 MB · 22 Feb 2021BIOS rar3.77 MB
- Lenovo IdeaPad EG431-EG532-FG5N2 NM-B661 Rev1.0 W25Q64FWSIQ
BIOS dump for Lenovo IdeaPad laptops on the EG431, EG532 and FG5N2 platforms, motherboard NM-B661 revision 1.0, read from a W25Q64FWSIQ flash chip.
BIOS · NM-B661 · 3.77 MB · 12 May 2020BIOS rar3.77 MB - Lenovo Ideapad 330-15IGM EG431 EG5N2 NM-B661 BIOS
BIOS for the Lenovo IdeaPad 330-15IGM, platform codes EG431 and EG5N2, motherboard NM-B661, packed in a 3.71 MB RAR archive.
BIOS · NM-B661 · 3.71 MB · 12 May 2020BIOS rar3.71 MB - Lenovo IdeaPad EG431-EG532-FG5N2 NM-B661 Rev1.0 W25Q64FWSIQ
Lenovo IdeaPad BIOS archive for the EG431, EG532 and FG5N2 board family on the NM-B661 motherboard, revision 1.0.
BIOS · NM-B661 · 3.76 MB · 28 May 2019BIOS rar3.76 MB
NM-B661 archives
- NM B661 R10Archive · NM-B661 · 2.08 MB · 5 Aug 2026Archive zip2.08 MB
- EG431 EG532 FG5N2 NM-B661 (REV 1.0)Archive · NM-B661 · 7.72 MB · 10 Jul 2023Archive rar7.72 MB
- 330-15igm NM-B661 TBArchive · NM-B661 · 3.67 MB · 11 Jul 2021Archive rar3.67 MB
- NM B661 EG431 EG532 MB V10 20180302 Lenovo IdeaPad 330-14IGM
Archive for the Lenovo IdeaPad 330-14IGM built on LCFC board NM-B661, with the EG431 and EG532 board codes and an MB V1.0 marking dated 2018-03-02 in the name.
Archive · NM-B661 · 3.38 MB · 25 Jan 2021Archive rar3.38 MB
Questions about NM-B661
Is there a schematic for NM-B661?
Yes. Enginerys lists 9 schematic files for NM-B661. Each entry links to the Telegram post where the PDF can be downloaded.
Is there a boardview for NM-B661?
Yes, 16 boardview files are listed. Open them with OpenBoardView or the viewer named on the file page.
Who makes the NM-B661 board?
NM-B661 follows the LCFC (Lenovo) numbering scheme (NM-xxxx). It is found in Lenovo devices.