NM-B931 is a LCFC (Lenovo) motherboard used in Lenovo devices. Enginerys has 6 schematics, 6 boardviews, 26 BIOS dumps and 4 archives for this board, collected from public Telegram channels.
Check that NM-B931 matches the number printed on your PCB, including the revision. Where to find it →
NM-B931 schematics
- Lenovo ThinkPad L490 Compal FL490 FL590 NM B931 Rev 1 0 SchematicPDFPKSchematic · NM-B931 · 6.31 MB · 12 Mar 2026Schematic pdf6.31 MB
- Lenovo ThinkPad L490 Compal FL490 FL590 NM B931 Rev 1 0 SchematicSchematic · NM-B931 · 6.31 MB · 15 Dec 2025Schematic pdf6.31 MB
- Lenovo ThinkPad L490 Compal FL490 FL590 NM B931 Rev 1 0 SchematiSchematic · NM-B931 · 6.31 MB · 5 May 2025Schematic pdf6.31 MB
- L490 NM B931Schematic · NM-B931 · 8.13 MB · 29 Apr 2025Schematic pdf8.13 MB
- L490 NM-B931Schematic · NM-B931 · 8.13 MB · 15 Dec 2024Schematic pdf8.13 MB
- Lenovo ThinkPad L490 Compal FL490 FL590 NM B931 Rev 1 0 Schematic
Schematic for the Lenovo ThinkPad L490, Compal-designed board FL490/FL590 with number NM-B931, revision 1.0, packed in a 5.48 MB RAR.
Schematic · NM-B931 · 5.48 MB · 17 Nov 2021Schematic rar5.48 MB
NM-B931 boardviews
- Lenovo ThinkPad L490 - NM-B931 Rev 1.0 BoardView(BDV)(PK)Boardview · NM-B931 · 840 KB · 12 Mar 2026Boardview rar840 KB
- NM-B931 REV1.0Boardview · NM-B931 · 6.55 MB · 5 May 2025Boardview tvw6.55 MB
- LENOVO ThinkPad L490 - NM-B931 Rev 1.0 BoardView (.TVW)Boardview · NM-B931 · 1.70 MB · 15 Dec 2024Boardview zip1.70 MB
- Lenovo ThinkPad L490 - NM-B931 Rev 1.0 BoardViewBoardview · NM-B931 · 1.70 MB · 15 Dec 2024Boardview zip1.70 MB
- NM-B931 REV1.0Boardview · NM-B931 · 1.78 MB · 11 Sept 2023Boardview zip1.78 MB
- LENOVO ThinkPad L490 - NM-B931 Rev 1.0 BoardView (.TVW)
Boardview for the Lenovo ThinkPad L490 mainboard NM-B931, revision 1.0, provided as a .TVW file in a 1.74 MB ZIP.
Boardview · NM-B931 · 1.74 MB · 11 Sept 2023Boardview zip1.74 MB
NM-B931 BIOS dumps
- lock
Lenovo BIOS dump for a laptop built on LCFC board NM-B931, supplied as a 32 MB raw binary called lock.bin.
BIOS · NM-B931 · 32.0 MB · 22 Sept 2026BIOS bin32.0 MB - lock
Raw 32 MB binary named lock.bin for a Lenovo laptop on LCFC motherboard NM-B931. The name suggests a locked image, perhaps with a password or security lock set, but it…
BIOS · NM-B931 · 32.0 MB · 21 Sept 2026BIOS bin32.0 MB - NM-B931 REV 1.0 TYPE 20Q6BIOS · NM-B931 · 32.0 MB · 29 Mar 2026BIOS bin32.0 MB
- FL490 FL590 NM B931 REV 1 0 2019 03 15 TYPE 20Q8 i5 8365U 32MB BIOSBIOS · NM-B931 · 27.2 MB · 21 Nov 2025BIOS zip27.2 MB
- FL490 FL590 NM B931 REV 1 0 2019 03 15 BIOS & KBEC WORKING BIOSBIOS · NM-B931 · 26.6 MB · 21 Nov 2025BIOS zip26.6 MB
- FL490 FL590 NM B931 REV 1 0 2019 03 15 BIOS & EC 32MB & 1MB WORKINGBIOS · NM-B931 · 13.4 MB · 21 Nov 2025BIOS zip13.4 MB
- LENOVO THINKPAD L590 type 20Q7, 20Q8 FL490 FL590 NM B931 REV 1 0BIOS · NM-B931 · 14.0 MB · 24 Sept 2025BIOS zip14.0 MB
- LENOVO THINKAPD L490 NM B931 ITE EC UNLOCK telegram BIOS RepairBIOS · NM-B931 · 221 KB · 24 Sept 2025BIOS zip221 KB
- FL490 FL590 NM B931 REV 1 0 2019 03 15 TYPE 20Q8 i5 8365U 32MB BIOSBIOS · NM-B931 · 14.0 MB · 20 Sept 2025BIOS zip14.0 MB
- FL490 FL590 NM B931 REV 1 0 2019 03 15 BIOS & KBEC & TYPE C WORKINGBIOS · NM-B931 · 26.7 MB · 20 Sept 2025BIOS zip26.7 MB
- FL490 FL590 NM B931 REV 1 0 2019 03 15 BIOS & EC 32MB & 1MB WORKINGBIOS · NM-B931 · 13.5 MB · 20 Sept 2025BIOS zip13.5 MB
- FL90 FL590 NM-B931 REV 1.0 2019-03-15 32MB CLEAN ME BIOS
Lenovo BIOS for the FL90 and FL590 projects on the LCFC board NM-B931 rev 1.0, dated 2019-03-15, with the Management Engine region cleaned and sized for a 32 MB flash.
BIOS · NM-B931 · 17.6 MB · 31 May 2025BIOS zip17.6 MB - outimageBIOS · NM-B931 · 10.4 MB · 25 May 2025BIOS rar10.4 MB
- FL490 FL590 NM-B931BIOS · NM-B931 · 32.0 MB · 12 May 2025BIOS bin32.0 MB
- NM-B931 R0ZET35W 32MBBIOS · NM-B931 · 32.0 MB · 5 May 2025BIOS32.0 MB
- FL5C5 FL535 FL435 LA H103P REV1 0 2019 07 24 BIOS & KBECOK TESTEDBIOS · LA-H103P · 6.95 MB · 25 Feb 2025BIOS rar6.95 MB
- THINKPAD L490 FL490 FL590 NM B931 REV 1 0 2019 03 15 3MB & 1MB BIOSBIOS · NM-B931 · 8.69 MB · 25 Feb 2025BIOS rar8.69 MB
- THINKPAD L490 FL490 FL590 NM B931 REV 1 0 2019 03 15 3MB & 1MB BIOS
BIOS set for the Lenovo ThinkPad L490 on LCFC board NM-B931 revision 1.0, dated 2019-03-15, with FL490 and FL590 also listed in the name.
BIOS · NM-B931 · 12.9 MB · 22 Feb 2025BIOS rar12.9 MB - LENOVO THINKPAD L590 LCFC NM-B931 photoBIOS · NM-B931 · 18.8 MB · 15 Dec 2024BIOS zip18.8 MB
- LENOVO THINKAPD L490 NM-B931 ITE EC UNLOCK
EC firmware package for the Lenovo ThinkPad L490 on LCFC board NM-B931, described as an ITE embedded controller unlock file.
BIOS · NM-B931 · 390 KB · 7 Oct 2024BIOS rar390 KB - FL490 FL590 NM B931 REV 1 0 2019 03 15 TYPE 20Q8 i5 8365U 32MB BIOS
BIOS for the Lenovo ThinkPad L490 and L590 family on the NM-B931 board, revision 1.0, as the FL490 and FL590 codes suggest.
BIOS · NM-B931 · 26.0 MB · 29 Jun 2024BIOS rar26.0 MB - FL490 FL590 NM-B931 REV 1.0BIOS · NM-B931 · 11.2 MB · 5 Feb 2024BIOS rar11.2 MB
- LENOVO THINKPAD L590 type 20Q7, 20Q8 FL490 FL590 NM B931 REV 1 0
BIOS firmware package for the Lenovo ThinkPad L590, machine types 20Q7 and 20Q8, built on the FL490/FL590 motherboard NM-B931 revision 1.0.
BIOS · NM-B931 · 12.8 MB · 11 Sept 2023BIOS rar12.8 MB - FL490 FL590 NM B931 REV 1 0 2019 03 15 BIOS & KBEC & TYPE C WORKING
Firmware set for the FL490/FL590 board NM-B931 rev 1.0, dated 2019-03-15, containing the main BIOS, the keyboard EC (KBEC) firmware and the Type-C controller firmware…
BIOS · NM-B931 · 25.3 MB · 11 Sept 2023BIOS rar25.3 MB - FL490 FL590 NM B931 REV 1 0 2019 03 15 BIOS & EC 32MB & 1MB WORKING
Working BIOS and EC dumps for LCFC board NM-B931 revision 1.0 (FL490/FL590), dated 2019-03-15, with a 32 MB BIOS image and a 1 MB EC image according to the name.
BIOS · NM-B931 · 14.8 MB · 11 Sept 2023BIOS rar14.8 MB - THINKPAD L490 FL490 FL590 NM B931 REV 1 0 2019 03 15 32 MB & 1MB
Firmware set for ThinkPad L490 boards, project codes FL490 and FL590, on board NM-B931 revision 1.0, dated 2019-03-15.
BIOS · NM-B931 · 12.2 MB · 7 Feb 2022BIOS rar12.2 MB
NM-B931 archives
- THINKPAD L490 FL490 FL590 NM B931 REV 1 0 2019 03 15 32 MB & 1MBArchive · NM-B931 · 13.4 MB · 21 Nov 2025Archive zip13.4 MB
- LENOVO THINKPAD L590 type 20Q7, 20Q8 FL490 FL590 NM B931 REV 1 0Archive · NM-B931 · 13.9 MB · 21 Nov 2025Archive zip13.9 MB
- LENOVO ThinkPad L490 NM-B931 Rev 1.0
ZIP archive of 1.70 MB for the Lenovo ThinkPad L490 on LCFC board NM-B931 revision 1.0; the name does not specify whether it contains a schematic, a boardview or…
Archive · NM-B931 · 1.70 MB · 26 Apr 2024Archive zip1.70 MB - FL490 FL590 NM-B931 (REV 1.0)Archive · NM-B931 · 15.9 MB · 10 Jul 2023Archive rar15.9 MB
Questions about NM-B931
Is there a schematic for NM-B931?
Yes. Enginerys lists 6 schematic files for NM-B931. Each entry links to the Telegram post where the PDF can be downloaded.
Is there a boardview for NM-B931?
Yes, 6 boardview files are listed. Open them with OpenBoardView or the viewer named on the file page.
Who makes the NM-B931 board?
NM-B931 follows the LCFC (Lenovo) numbering scheme (NM-xxxx). It is found in Lenovo devices.