NM-B331 is a LCFC (Lenovo) motherboard used in Lenovo devices. Enginerys has 4 schematics and 7 BIOS dumps for this board, collected from public Telegram channels.
Check that NM-B331 matches the number printed on your PCB, including the revision. Where to find it →
NM-B331 schematics
- NM-B331 DS321 SIT Final SCH-20170122Schematic · NM-B331 · 3.12 MB · 5 May 2025Schematic pdf3.12 MB
- Lenovo IdeaPad 720S 13IKB LCFC DS321 NM B331 rev 1 0 Schematic
Schematic for the Lenovo IdeaPad 720S-13IKB, LCFC project DS321, mainboard NM-B331 revision 1.0, a 5.86 MB PDF. LCFC, Lenovo's in-house ODM, uses NM- board numbers.
Schematic · NM-B331 · 5.86 MB · 23 Jul 2021Schematic pdf5.86 MB - Lenovo IdeaPad 720S 13IKB LCFC DS321 NM B331 rev 1 0 SchematicSchematic · NM-B331 · 5.83 MB · 31 Mar 2021Schematic rar5.83 MB
- Lenovo IdeaPad 720S 13IKB LCFC DS321 NM B331 rev 1 0 Schematic
Schematic for the Lenovo IdeaPad 720S-13IKB, LCFC project DS321, board NM-B331 revision 1.0, packed in a RAR archive of 5.88 MB.
Schematic · NM-B331 · 5.88 MB · 7 Feb 2021Schematic rar5.88 MB
NM-B331 BIOS dumps
- lenovo ideapad 720S 13IKB DS321 NM B331 rev 1 0 telegram BIOS RepairBIOS · NM-B331 · 5.67 MB · 24 Sept 2025BIOS zip5.67 MB
- Lenovo ideapad 720S 13IKB DS321 NM B331 rev 1 1 0 telegram BIOSBIOS · NM-B331 · 11.0 MB · 24 Sept 2025BIOS zip11.0 MB
- AFS lenovo ideapad 720S-13IKB DS321 NM-B331 rev 1.0
Lenovo IdeaPad 720S-13IKB BIOS dump for the LCFC NM-B331 board, revision 1.0, with DS321 shown as the platform code.
BIOS · NM-B331 · 5.36 MB · 1 Feb 2024BIOS rar5.36 MB - AFS Lenovo ideapad 720S-13IKB DS321 NM-B331 rev 1 (1).0
Second, larger variant of the firmware for the Lenovo IdeaPad 720S-13IKB, DS321 platform, NM-B331 board, revision 1.0.
BIOS · NM-B331 · 10.5 MB · 1 Feb 2024BIOS rar10.5 MB - lenovo ideapad 720S 13IKB DS321 NM B331 rev 1 0 Luirons BiosBIOS · NM-B331 · 5.37 MB · 22 Feb 2021BIOS rar5.37 MB
- Lenovo ideapad 720S-13IKB DS321 NM-B331 rev 1.0
BIOS dump for the Lenovo IdeaPad 720S-13IKB on board NM-B331 revision 1.0, with the project code DS321, in a 10.5 MB RAR archive.
BIOS · NM-B331 · 10.5 MB · 27 Jan 2021BIOS rar10.5 MB - lenovo ideapad 720S-13IKB DS321 NM-B331 rev 1.0
BIOS package for the Lenovo IdeaPad 720S-13IKB, platform DS321, board NM-B331 revision 1.0.
BIOS · NM-B331 · 5.37 MB · 23 Jul 2019BIOS rar5.37 MB
Questions about NM-B331
Is there a schematic for NM-B331?
Yes. Enginerys lists 4 schematic files for NM-B331. Each entry links to the Telegram post where the PDF can be downloaded.
Is there a boardview for NM-B331?
No boardview has been indexed for NM-B331 yet.
Who makes the NM-B331 board?
NM-B331 follows the LCFC (Lenovo) numbering scheme (NM-xxxx). It is found in Lenovo devices.