NM-B191 is a LCFC (Lenovo) motherboard used in Lenovo devices. Enginerys has 13 schematics, 10 boardviews, 42 BIOS dumps and 5 archives for this board, collected from public Telegram channels.
Check that NM-B191 matches the number printed on your PCB, including the revision. Where to find it →
NM-B191 schematics
- NM-B191 Y520 MB N17P SVT 20161125-1430
Schematic set for the Lenovo Legion Y520 mainboard NM-B191, with NM-B391 also linked to it, both LCFC board codes.
Schematic · NM-B191 · 1.48 MB · 25 Jun 2026Schematic zip1.48 MB - Lenovo Legion Y520 15IKBN DY512 NM B191 NM B391 SchematicPDFPKSchematic · NM-B191 · 1.47 MB · 25 Jun 2026Schematic rar1.47 MB
- NM-B191 Y520 MB N17PSchematic · NM-B191 · 2.08 MB · 9 May 2025Schematic pdf2.08 MB
- NM-B191 Y520 MB N17P SVT 20161125-1430 password-lcfc updateSchematic · NM-B191 · 1.44 MB · 5 May 2025Schematic pdf1.44 MB
- NM-B191 Y520 MB N17P SVT 20161125-1430Schematic · NM-B191 · 1.48 MB · 19 Dec 2023Schematic zip1.48 MB
- LENOVO LEGION Y520-15IKBN DY512 LCFC NM-B191 REV 1.0Schematic · NM-B191 · 2.82 MB · 12 Oct 2022Schematic pdf2.82 MB
- NM-B191 Y520 MB N17P SVT 20161125-1430
Lenovo Legion Y520 motherboard schematic for LCFC board NM-B191. The N17P token refers to an NVIDIA N17P-series discrete GPU design, and SVT marks a pre-production…
Schematic · NM-B191 · 1.34 MB · 13 Sept 2021Schematic pdf1.34 MB - Lenovo Legion Y520-15IKBN DY512 NM-B191 NM-B391 Schematic
Schematic for the Lenovo Legion Y520-15IKBN, platform DY512, covering LCFC boards NM-B191 and NM-B391, delivered as a 1.51 MB RAR archive.
Schematic · NM-B191 · 1.51 MB · 16 Mar 2021Schematic rar1.51 MB - Lenovo Legion Y520 15IKBN DY512 NM B191 Schematic Luirons EsquemasSchematic · NM-B191 · 1.47 MB · 22 Feb 2021Schematic rar1.47 MB
- lenovo legion y520 15ikbn lcfc nm b191 rev 1 0 Luirons EsquemasSchematic · NM-B191 · 1.65 MB · 22 Feb 2021Schematic rar1.65 MB
- Lenovo Legion Y520-15IKBN DY512 NM-B191 Schematic
Schematic for the Lenovo Legion Y520-15IKBN on the LCFC NM-B191 board, project code DY512, packed in a 1.47 MB RAR.
Schematic · NM-B191 · 1.47 MB · 7 Nov 2020Schematic rar1.47 MB - lenovo-legion-y520-15ikbn-lcfc-nm-b191-rev-1-0
Lenovo Legion Y520-15IKBN schematic for LCFC board NM-B191, revision 1.0, as a 1.7 MB PDF.
Schematic · NM-B191 · 1.72 MB · 19 Jul 2020Schematic pdf1.72 MB - NM-B191 Y520 MB N17P SVT 20161125-1430Schematic · NM-B191 · 2.08 MB · 22 Sept 2019Schematic pdf2.08 MB
NM-B191 boardviews
- Lenovo Legion Y520-15IKBN NM-B191 REV.1.0 Boardvie
Boardview for the Lenovo Legion Y520-15IKBN, mainboard NM-B191, revision 1.0. NM codes come from the Compal / LCFC scheme used on most Lenovo consumer laptops.
Boardview · NM-B191 · 4.94 MB · 25 Jun 2026Boardview zip4.94 MB - Lenovo Legion Y520-15IKBN NM-B191 REV.1.0 Boardview(PK)Boardview · NM-B191 · 1.72 MB · 25 Jun 2026Boardview rar1.72 MB
- Lenovo Legion Y520-15IKBN NM-B191 REV.1.0 Boardview (bdvpk)Boardview · NM-B191 · 1.72 MB · 25 Jun 2026Boardview rar1.72 MB
- Lenovo Legion Y520 15IKBN NM B191 REV 1 0 Boardvie Boardview bo
Layout file for the Lenovo Legion Y520-15IKBN, board NM-B191 revision 1.0, in a 4.94 MB zip. LCFC, the Lenovo-owned ODM, uses the NM- numbering seen here.
Boardview · NM-B191 · 4.94 MB · 26 Apr 2026Boardview zip4.94 MB - LEGION Y520-15IKBN LCFC NM-B191 REV 1.0Boardview · NM-B191 · 12.4 MB · 16 Aug 2024Boardview tvw12.4 MB
- Lenovo Legion Y520-15IKBN NM-B191 REV.1.0 BoardvieBoardview · NM-B191 · 4.94 MB · 19 Dec 2023Boardview zip4.94 MB
- Lenovo Legion Y520-15IKBN NM-B191 REV (1).1.0 Boardview
Boardview for the Lenovo Legion Y520-15IKBN, LCFC motherboard NM-B191 revision 1.0, compressed in a 1.81 MB RAR.
Boardview · NM-B191 · 1.81 MB · 21 Apr 2022Boardview rar1.81 MB - Lenovo Legion Y520-15IKBN NM-B191 REV.1.0 Boardview
Boardview for the Lenovo Legion Y520-15IKBN, board NM-B191 revision 1.0, supplied as a 1.81 MB RAR archive.
Boardview · NM-B191 · 1.81 MB · 28 Dec 2021Boardview rar1.81 MB - Lenovo Legion Y520-15IKBN NM-B191 REV.1.0 Boardview
Boardview for the Lenovo Legion Y520-15IKBN gaming laptop, motherboard NM-B191 revision 1.0, packed in a 1.82 MB rar archive.
Boardview · NM-B191 · 1.82 MB · 16 Oct 2021Boardview rar1.82 MB - Lenovo Legion Y520-15IKBN NM-B191 REV.1.0 BoardviewBoardview · NM-B191 · 12.4 MB · 2 Oct 2019Boardview tvw12.4 MB
NM-B191 BIOS dumps
- LENOVO Y520 15IKBN DY512 NM B191 REV 1 0 2016 11 25 VGA GTX 1050BIOS · NM-B191 · 5.07 MB · 25 Jun 2026BIOS rar5.07 MB
- LENOVO Y520 15IKBN DY512 NM B191 REV 1 0 2016 11 25 VGA GTX 1050BIOS · NM-B191 · 5.42 MB · 24 Sept 2025BIOS zip5.42 MB
- Lenovo Legion Y520 15IKBN Model 80WK DY512 NM B191 Rev 1 0 UC3 fixedBIOS · NM-B191 · 5.17 MB · 24 Sept 2025BIOS zip5.17 MB
- Lenovo Legion Y520 15IKBN Model 80WK DY512 NM B191 Rev 1 0 telegramBIOS · NM-B191 · 5.41 MB · 24 Sept 2025BIOS zip5.41 MB
- lenovo legion y520 15ikbn lcfc nm b191 rev 1 0 bios telegram BIOSBIOS · NM-B191 · 5.45 MB · 24 Sept 2025BIOS zip5.45 MB
- lenovo Y520 15lKBN DY512 nm b191 rev 1 0 telegram BIOS Repair 2025BIOS · NM-B191 · 5.33 MB · 24 Sept 2025BIOS zip5.33 MB
- Lenovo Y520 15IKBN Model 80WK DY512 NM B191 Rev 1 0 telegram BIOSBIOS · NM-B191 · 5.48 MB · 24 Sept 2025BIOS zip5.48 MB
- Lenovo Legion Y520 15IKBN Model 80WK DY512 NM B191 Rev 1 0 telegramBIOS · NM-B191 · 5.48 MB · 24 Sept 2025BIOS zip5.48 MB
- DY512 NM B191 REV 1 0 2016 11 25 BIOS & EC U115 UC3 telegram BIOSBIOS · NM-B191 · 5.42 MB · 20 Sept 2025BIOS zip5.42 MB
- AFS Lenovo Legion Y520 15IKBN Model 80WK DY512 NM B191 Rev 1 0 UBIOS · NM-B191 · 8.00 MB · 9 May 2025BIOS bin8.00 MB
- Lenovo Legion Y520 15IKBN Model 80WK DY512 NM B191 Rev 1 0 UC3 2BIOS · NM-B191 · 8.00 MB · 9 May 2025BIOS bin8.00 MB
- Lenovo Y520-15IKBN NM-B191 REV 1 TESTED BY FST FIXBIOS · NM-B191 · 8.00 MB · 9 May 2025BIOS bin8.00 MB
- NM B191 UC3BIOS · NM-B191 · 8.00 MB · 29 Apr 2025BIOS bin8.00 MB
- DY512 NM B191 REV 1 0 2016 11 25 N17P G1 A1 GTX 1050TI 8MB & 1MB
BIOS package for a Lenovo laptop built on the LCFC board NM-B191 revision 1.0, labelled DY512 and dated 2016-11-25.
BIOS · NM-B191 · 11.1 MB · 11 Feb 2025BIOS zip11.1 MB - Lenovo Y520-15IKBN NM-B191 REV 1 TESTED BY FST FIX
BIOS dump for the Lenovo Legion Y520-15IKBN, on LCFC board NM-B191 revision 1, labelled as tested and fixed.
BIOS · NM-B191 · 4.89 MB · 23 Dec 2024BIOS rar4.89 MB - AFS Lenovo Legion Y520 15IKBN Model 80WK DY512 NM B191 Rev 1 0
BIOS dump for the Lenovo Legion Y520-15IKBN, model type 80WK, built on board DY512 with LCFC number NM-B191 revision 1.0, stored in a 5.18 MB RAR file.
BIOS · NM-B191 · 5.18 MB · 1 Feb 2024BIOS rar5.18 MB - AFS Lenovo Legion Y520 15IKBN Model 80WK DY512 NM B191 Rev 1 0 UC3BIOS · NM-B191 · 4.89 MB · 1 Feb 2024BIOS rar4.89 MB
- AFS Lenovo Legion Y520 15IKBN Model 80WK DY512 NM B191 Rev 1 0BIOS · NM-B191 · 5.13 MB · 1 Feb 2024BIOS rar5.13 MB
- AFS lenovo Y520-15lKBN DY512 nm-b191 rev 1.0BIOS · NM-B191 · 4.99 MB · 1 Feb 2024BIOS rar4.99 MB
- AFS Lenovo Y520-15IKBN Model 80WK DY512 NM-B191 Rev.1.0BIOS · NM-B191 · 5.18 MB · 1 Feb 2024BIOS rar5.18 MB
- AFS lenovo-legion-y520-15ikbn-lcfc-nm-b191-rev-1-0 biosBIOS · NM-B191 · 5.10 MB · 1 Feb 2024BIOS rar5.10 MB
- AFS DY512 NM-B191 REV 1.0 2016-11-25 BIOS & EC U115 UC3BIOS · NM-B191 · 5.07 MB · 1 Feb 2024BIOS rar5.07 MB
- Y520 15IKBN Model 80WK DY512 NM B191 Rev 1 0 U115 25Q80JVSIQ LegionBIOS · NM-B191 · 1.00 MB · 26 Sept 2023BIOS bin1.00 MB
- Y520 15IKBN Model 80WK DY512 NM B191 Rev 1 0 U115 25Q80JVSIQ LegionBIOS · NM-B191 · 1.00 MB · 22 Sept 2023BIOS bin1.00 MB
- LENOVO Y520 15IKBN DY512 NM B191 REV 1 0 2016 11 25 VGA GTX 1050
BIOS image for the Lenovo Y520-15IKBN built on LCFC board NM-B191, revision 1.0, project DY512, dated 2016-11-25.
BIOS · NM-B191 · 5.12 MB · 9 May 2022BIOS rar5.12 MB - LENOVO Y520 15IKBN DY512 NM B191 REV 1 0 2016 11 25 WORKING BIOS
Working BIOS dump for the Lenovo Y520-15IKBN, project DY512, on LCFC mainboard NM-B191 revision 1.0 from 2016-11-25.
BIOS · NM-B191 · 6.76 MB · 9 May 2022BIOS rar6.76 MB - Y520 15IKBN DY512 NM B191 REV 1 0 2016 11 25 16MB & 1MB BIOS
Firmware for the Lenovo Y520-15IKBN on board DY512 NM-B191 revision 1.0, dated 25 November 2016, in a 5.12 MB rar.
BIOS · NM-B191 · 5.12 MB · 11 Dec 2021BIOS rar5.12 MB - DY512 NM-B191 REV 1.0 2016-11-25 BIOS & EC U115 UC3
Firmware archive for the Lenovo DY512 board, LCFC number NM-B191 revision 1.0, dated 2016-11-25 in the name.
BIOS · NM-B191 · 5.12 MB · 11 Dec 2021BIOS rar5.12 MB - Lenovo Legion Y520 15IKBN Model 80WK DY512 NM B191 Rev 1 0 UC3 fixed
BIOS image for the Lenovo Legion Y520-15IKBN, model 80WK, on LCFC board DY512 NM-B191 Rev 1.0, marked fixed and labelled UC3 in a 4.98 MB RAR.
BIOS · NM-B191 · 4.98 MB · 30 Jun 2021BIOS rar4.98 MB - Lenovo Legion Y520 15IKBN Model 80WK DY512 NM B191 Rev 1 0
BIOS firmware for the Lenovo Legion Y520-15IKBN, machine type 80WK, board DY512 NM-B191 revision 1.0, in a RAR archive of 5.18 MB.
BIOS · NM-B191 · 5.18 MB · 27 Mar 2021BIOS rar5.18 MB - Lenovo Y520-15IKBN Model 80WK DY512 NM-B191 Rev.1.0
Lenovo Y520-15IKBN firmware package, model 80WK, with the DY512 NM-B191 Rev 1.0 mainboard named, about 5.24 MB as RAR.
BIOS · NM-B191 · 5.24 MB · 27 Mar 2021BIOS rar5.24 MB - lenovo Y520-15lKBN DY512 nm-b191 rev 1.0 (Luirons Bios)BIOS · NM-B191 · 4.99 MB · 22 Feb 2021BIOS rar4.99 MB
- lenovo legion y520 15ikbn lcfc nm b191 rev 1 0 bios Luirons BiosBIOS · NM-B191 · 5.10 MB · 22 Feb 2021BIOS rar5.10 MB
- Y520 15IKBN Model 80WK DY512 NM B191 Rev 1 0 U115 25Q80JVSIQ LegionBIOS · NM-B191 · 1.00 MB · 17 Feb 2021BIOS bin1.00 MB
- Y520 15IKBN Model 80WK DY512 NM B191 Rev 1 0 U115 25Q80JVSIQ LegionBIOS · NM-B191 · 1.00 MB · 30 Oct 2020BIOS bin1.00 MB
- Y520-15IKBN Model 80WK DY512 NM-B191 Rev.1.0 UC3 25Q64FVSIQBIOS · NM-B191 · 8.00 MB · 22 Jul 2020BIOS bin8.00 MB
- Y520-15IKBN Model 80WK DY512 NM-B191 Rev.1.0 U115 25Q80JVSIQBIOS · NM-B191 · 1.00 MB · 22 Jul 2020BIOS bin1.00 MB
- R Lenovo Legion Y520 15IKBN Model 80WK DY512 NM B191 Rev 1 0 UC3BIOS · NM-B191 · 8.00 MB · 22 Jul 2020BIOS bin8.00 MB
- R Lenovo Legion Y520 15IKBN Model 80WK DY512 NM B191 Rev 1 0 U115BIOS · NM-B191 · 1.00 MB · 22 Jul 2020BIOS bin1.00 MB
- lenovo-legion-y520-15ikbn-lcfc-nm-b191-rev-1-0 bios
BIOS firmware package for the Lenovo Legion Y520-15IKBN laptop, built on the LCFC motherboard NM-B191 at revision 1.0, supplied as a 5.11 MB RAR archive.
BIOS · NM-B191 · 5.11 MB · 10 Jun 2020BIOS rar5.11 MB - lenovo Y520-15lKBN DY512 nm-b191 rev 1.0
BIOS firmware for the Lenovo Legion Y520-15IKBN, board DY512 with number NM-B191 revision 1.0, supplied as a 4.99 MB rar.
BIOS · NM-B191 · 4.99 MB · 22 Feb 2020BIOS rar4.99 MB - Lenovo Legion Y520-15IKBN Model 80WK DY512 NM-B191 Rev.1.0
BIOS image archive for the Lenovo Legion Y520-15IKBN, machine type 80WK, built on the NM-B191 board, revision 1.0, with DY512 as the platform code.
BIOS · NM-B191 · 5.21 MB · 25 Mar 2019BIOS rar5.21 MB
NM-B191 archives
- NM-B191Archive · NM-B191 · 134 MB · 17 Mar 2025Archive rar134 MB
- lenovo Y520-15IKBN NM-B191Archive · NM-B191 · 9.02 MB · 21 Sept 2024Archive rar9.02 MB
- NM B191 LENOVO Y520
RAR archive for the Lenovo Y520 built on LCFC board NM-B191, the numbering format of the ODM that manufactures many Lenovo laptops.
Archive · NM-B191 · 1.73 MB · 3 Jan 2022Archive rar1.73 MB - Lenovo Legion Y520 15IKBN Model 80WK DY512 NM B191 Rev 1 0 LuironsArchive · NM-B191 · 5.21 MB · 22 Feb 2021Archive rar5.21 MB
- lenovo-legion-y520-15ikbn-lcfc-nm-b191-rev-1-0
Archive for the Lenovo Legion Y520-15IKBN gaming laptop, LCFC motherboard NM-B191, revision 1.0.
Archive · NM-B191 · 1.65 MB · 10 Jun 2020Archive rar1.65 MB
Questions about NM-B191
Is there a schematic for NM-B191?
Yes. Enginerys lists 13 schematic files for NM-B191. Each entry links to the Telegram post where the PDF can be downloaded.
Is there a boardview for NM-B191?
Yes, 10 boardview files are listed. Open them with OpenBoardView or the viewer named on the file page.
Who makes the NM-B191 board?
NM-B191 follows the LCFC (Lenovo) numbering scheme (NM-xxxx). It is found in Lenovo devices.