NM-A931 is a LCFC (Lenovo) motherboard used in Lenovo devices. Enginerys has 18 schematics, 4 boardviews, 44 BIOS dumps and 4 archives for this board, collected from public Telegram channels.
Check that NM-A931 matches the number printed on your PCB, including the revision. Where to find it →
NM-A931 schematics
- NM-A931Schematic · NM-A931 · 2.56 MB · 5 Aug 2026Schematic pdf2.56 MB
- NM-A931
Lenovo laptop schematic for board NM-A931, a 2.56 MB PDF. The name gives no model or revision, so identify the target machine by the board number.
Schematic · NM-A931 · 2.56 MB · 1 Apr 2026Schematic pdf2.56 MB - NM-A931
Schematic PDF for a Lenovo mainboard coded NM-A931, the numbering style used by LCFC, Lenovo's own design and manufacturing arm.
Schematic · NM-A931 · 2.56 MB · 9 Dec 2025Schematic pdf2.56 MB - NM-A931Schematic · NM-A931 · 2.56 MB · 26 Sept 2025Schematic pdf2.56 MB
- NM-A931
PDF schematic for the Lenovo motherboard NM-A931, an LCFC board number, with no model or revision stated in the file name.
Schematic · NM-A931 · 2.56 MB · 12 Sept 2025Schematic pdf2.56 MB - NM-A931
Schematic in PDF format for the Lenovo motherboard NM-A931, an LCFC design; the name itself carries no revision or laptop model.
Schematic · NM-A931 · 2.56 MB · 21 Aug 2025Schematic pdf2.56 MB - NM-A931 PDFSchematic · NM-A931 · 2.56 MB · 29 May 2025Schematic pdf2.56 MB
- NM-A931Schematic · NM-A931 · 2.56 MB · 28 May 2025Schematic pdf2.56 MB
- NM-A931Schematic · NM-A931 · 2.56 MB · 28 May 2025Schematic pdf2.56 MB
- Lenovo Thinkpad T470 LCFC NM-A931 Rev 0.1Schematic · NM-A931 · 2.33 MB · 5 May 2025Schematic pdf2.33 MB
- NM A931Schematic · NM-A931 · 2.56 MB · 29 Apr 2025Schematic pdf2.56 MB
- NM-A931Schematic · NM-A931 · 2.56 MB · 16 Sept 2024Schematic pdf2.56 MB
- NM-A931Schematic · NM-A931 · 2.56 MB · 29 Jun 2024Schematic pdf2.56 MB
- NM-A931Schematic · NM-A931 · 2.56 MB · 29 Mar 2024Schematic pdf2.56 MB
- NM-A931Schematic · NM-A931 · 2.56 MB · 3 Jan 2024Schematic pdf2.56 MB
- NM-A931Schematic · NM-A931 · 2.56 MB · 25 Jul 2022Schematic pdf2.56 MB
- Lenovo Thinkpad T470 LCFC NM-A931 Rev 0.1
Circuit schematic for the ThinkPad T470, an LCFC-designed motherboard with board number NM-A931, marked revision 0.1.
Schematic · NM-A931 · 2.29 MB · 13 Sept 2021Schematic pdf2.29 MB - Lenovo T470 (CT470 NM-A931 Rev.2.0)
Schematic for the ThinkPad T470, project CT470, LCFC board NM-A931 at revision 2.0, a later issue than the early engineering drawings.
Schematic · NM-A931 · 2.08 MB · 13 Sept 2021Schematic pdf2.08 MB
NM-A931 boardviews
- NM-A931 REV1.0 BDVBoardview · NM-A931 · 1.34 MB · 29 May 2025Boardview zip1.34 MB
- NM-A931 REV1.0 BOARDVIEW
Boardview for Lenovo board NM-A931, revision 1.0, designed by LCFC and supplied as a 1.34 MB zip.
Boardview · NM-A931 · 1.34 MB · 28 May 2025Boardview zip1.34 MB - Lenovo Thinkpad T470 NM-A931 CT470 Rev2.0 photo
ZIP of board photographs, about 48 MB, for the Lenovo ThinkPad T470 mainboard NM-A931 from the LCFC CT470 project, revision 2.0.
Boardview · NM-A931 · 48.2 MB · 3 Jan 2024Boardview zip48.2 MB - Lenovo Thinkpad T470 - CT470 NM-A931 R10 sch bvBoardview · NM-A931 · 2.61 MB · 4 Nov 2022Boardview zip2.61 MB
NM-A931 BIOS dumps
- nm-a931BIOS · NM-A931 · 7.91 MB · 22 Oct 2026BIOS rar7.91 MB
- nm-a931BIOS · NM-A931 · 7.91 MB · 22 Oct 2026BIOS rar7.91 MB
- LENOVO THINKPAD T470 CT470 NM A931 REV;2 0 2016 10 28 16MB&1MB BIOSBIOS · NM-A931 · 6.24 MB · 5 Aug 2026BIOS rar6.24 MB
- LENOVO THINKPAD T470 CT470 NM A931 REV;2 0 I5 7200U BIOS 100% OKBIOS · NM-A931 · 8.41 MB · 5 Aug 2026BIOS rar8.41 MB
- LENOVO THINKPAD T470 CT470 NM A931 REV 2 0 2016 10 28 16MB & 1MBBIOS · NM-A931 · 8.71 MB · 30 Oct 2025BIOS rar8.71 MB
- LENOVO THINKPAD T470 CT470 NM A931 REV 2 0 2016 10 28 16MB & 1MB
BIOS set for the Lenovo ThinkPad T470 on the LCFC NM-A931 board, revision 2.0, project CT470, dated 2016-10-28.
BIOS · NM-A931 · 8.78 MB · 30 Oct 2025BIOS rar8.78 MB - LENOVO T470 CT470 NM A931 REV 2 0 2016 10 28 SR2EY MEC 1653L
Firmware package for the Lenovo ThinkPad T470 on the LCFC NM-A931 motherboard, revision 2.0, project CT470, dated 2016-10-28.
BIOS · NM-A931 · 5.97 MB · 30 Oct 2025BIOS rar5.97 MB - CT470 NM-A931 REV 2.0 2016-10-28 SR340 i5-6200U TESTED OKBIOS · NM-A931 · 16.0 MB · 12 Oct 2025BIOS bin16.0 MB
- CT470 NM A931 REV 2 0 2016 10 28 SR340 i5 6200U TESTED OK 2BIOS · NM-A931 · 16.0 MB · 12 Oct 2025BIOS bin16.0 MB
- LENOVO THINKPAD T470 CT470 NM A931 REV 2 0 2016 10 28 UNLOCK BIOSBIOS · NM-A931 · 5.69 MB · 24 Sept 2025BIOS zip5.69 MB
- LENOVO THINKPAD T470 CT470 NM A931 REV 2 0 2016 10 28 SR340 i5 6200UBIOS · NM-A931 · 5.68 MB · 24 Sept 2025BIOS zip5.68 MB
- LENOVO T470 NM A931 REV2 0 8MB & 1MB U15 U49 WORKING BIOS 100% telegramBIOS · NM-A931 · 5.94 MB · 24 Sept 2025BIOS zip5.94 MB
- LENOVO T470 CT470 NM A931 REV 2 0 2016 10 28 SR2EY Intel Core i5BIOS · NM-A931 · 5.80 MB · 24 Sept 2025BIOS zip5.80 MB
- LENOVO IDEAPAD T470 CT470 NM A931 REV 2 0 2016 10 28 CLEAR ME REGIONBIOS · NM-A931 · 8.14 MB · 24 Sept 2025BIOS zip8.14 MB
- Lenovo Thinkpad T470 NM A931 BIOS telegram BIOS Repair 2025 09 16BIOS · NM-A931 · 13.8 MB · 24 Sept 2025BIOS zip13.8 MB
- Lenovo T470 CT470 NM A931 Rev2 W25Q128JV 16MB telegram BIOS RepairBIOS · NM-A931 · 8.33 MB · 24 Sept 2025BIOS zip8.33 MB
- LENOVO T470 CT470 NM A931 REV 2 0 2016 10 28 WORKING BIOS telegramBIOS · NM-A931 · 5.94 MB · 24 Sept 2025BIOS zip5.94 MB
- CT470 NM A931 REV 2 0 2018 10 20 16MB & 1MB BIOS telegram BIOS RepairBIOS · NM-A931 · 5.95 MB · 19 Sept 2025BIOS zip5.95 MB
- LENOVO T470 CT470 NM A931 REV 2 0 2016 10 2816MB & 1MB & MEC BIOSBIOS · NM-A931 · 14.7 MB · 17 Jul 2025BIOS rar14.7 MB
- LENOVO T470 CT470 NM A931 REV 2 0 2016 10 2816MB & 1MB & MEC BIOSBIOS · NM-A931 · 14.8 MB · 17 Jul 2025BIOS rar14.8 MB
- CT470 NM-A931 REV 2.0 2018-10-20 16MB & 1MB BIOSBIOS · NM-A931 · 8.72 MB · 17 Jul 2025BIOS rar8.72 MB
- Lenovo T470 CT470 NM-A931 Rev2 W25Q128JV Never TaggedBIOS · NM-A931 · 16.0 MB · 9 May 2025BIOS bin16.0 MB
- CT470 NM-A931 REV 2.0 2016-10-28 SR340 i5-6200U TESTED OKBIOS · NM-A931 · 16.0 MB · 5 May 2025BIOS bin16.0 MB
- T470 Type 20HD, 20HE Laptop ThinkPad Type 20HE NM A931 REVBIOS · NM-A931 · 16.0 MB · 5 May 2025BIOS bin16.0 MB
- T470 Type 20JM, 20JN Laptop ThinkPad Type 20JN NM A931 REBIOS · NM-A931 · 16.0 MB · 5 May 2025BIOS bin16.0 MB
- NM-A931 U49BIOS · NM-A931 · 16.0 MB · 5 May 2025BIOS bin16.0 MB
- LENOVO THINKPAD T470 CT470 NM A931 REV 2 0 2016 10 28 OK BIOSBIOS · NM-A931 · 16.0 MB · 5 May 2025BIOS bin16.0 MB
- T470 Type 20HD, 20HE Laptop ThinkPad Type 20HE NM A931 REV 2 TESTED
Firmware package for the Lenovo ThinkPad T470, machine types 20HD and 20HE, taken from a type 20HE unit on LCFC board NM-A931 revision 2 and marked as tested.
BIOS · NM-A931 · 7.77 MB · 23 Dec 2024BIOS rar7.77 MB - T470 Type 20JM, 20JN Laptop ThinkPad Type 20JN NM A931 REV 1 TESTED
Firmware for the Lenovo ThinkPad T470, types 20JM and 20JN, with the name pointing to type 20JN and board NM-A931 revision 1, marked as tested.
BIOS · NM-A931 · 7.76 MB · 23 Dec 2024BIOS rar7.76 MB - LENOVO THINKPAD T470 CT470 NM A931 REV 2 0 2016 10 28 OK BIOS
BIOS image for the Lenovo ThinkPad T470, platform CT470, on LCFC board NM-A931 revision 2.0, dated 2016-10-28 and labelled as a known-good OK dump.
BIOS · NM-A931 · 16.0 MB · 22 Nov 2024BIOS bin16.0 MB - AFS Lenovo Thinkpad T470 NM-A931 BIOSBIOS · NM-A931 · 13.2 MB · 1 Feb 2024BIOS rar13.2 MB
- AFS Lenovo T470 CT470 NM-A931 Rev2 W25Q128JV 16MB
BIOS image for the Lenovo ThinkPad T470, board CT470 NM-A931 revision 2. It was taken from a Winbond W25Q128JV flash chip with a 16 MB capacity.
BIOS · NM-A931 · 7.93 MB · 1 Feb 2024BIOS rar7.93 MB - LENOVO THINKPAD T470 CT470 NM A931 REV 2 0 2016 10 28 UNLOCK BIOSBIOS · NM-A931 · 5.82 MB · 19 Sept 2023BIOS rar5.82 MB
- LENOVO THINKPAD T470 CT470 NM A931 REV 2 0 2016 10 28 UNLOCK BIOS
Unlocked BIOS for the Lenovo ThinkPad T470, board CT470 with LCFC number NM-A931 revision 2.0, dated 2016-10-28 in the name, in a 5.86 MB RAR.
BIOS · NM-A931 · 5.86 MB · 12 Sept 2023BIOS rar5.86 MB - LENOVO THINKPAD T470 CT470 NM A931 REV 2 0 2016 10 28 SR340 i5 6200U
BIOS dump for the Lenovo ThinkPad T470, board CT470 NM-A931 revision 2.0, in a 5.43 MB RAR.
BIOS · NM-A931 · 5.43 MB · 11 Sept 2023BIOS rar5.43 MB - T470 NM A931 REV 2 0 2016 10 28 SR340 Core i5 7300U TESTED OK
Tested and working BIOS for the Lenovo ThinkPad T470 on LCFC board NM-A931 revision 2.0, packed as a 16.0 MB RAR.
BIOS · NM-A931 · 16.0 MB · 11 Sept 2023BIOS rar16.0 MB - LENOVO T470 NM A931 REV2 0 8MB & 1MB U15 U49 WORKING BIOS 100%
Lenovo ThinkPad T470 firmware for board NM-A931 revision 2.0, consisting of an 8 MB and a 1 MB image for chips U15 and U49, described as fully working, in a 7.39 MB RAR.
BIOS · NM-A931 · 7.39 MB · 28 Aug 2023BIOS rar7.39 MB - LENOVO T470 CT470 NM A931 REV 2 0 2016 10 28 SR2EY Intel Core i5
BIOS dump for the Lenovo ThinkPad T470, project CT470, board NM-A931 revision 2.0 dated 2016-10-28, for the Intel Core i5 version with SR2EY in the name, an Intel…
BIOS · NM-A931 · 5.59 MB · 2 Aug 2023BIOS rar5.59 MB - LENOVO IDEAPAD T470 CT470 NM A931 REV 2 0 2016 10 28 CLEAR ME REGION
BIOS image for the Lenovo ThinkPad T470 (labelled IdeaPad in the name), board CT470 with LCFC number NM-A931 at revision 2.0, dated 2016-10-28, with the ME region…
BIOS · NM-A931 · 9.70 MB · 24 Jan 2023BIOS rar9.70 MB - T470 CT470 NM-A931 REV 2.0 2016-10-28 WORKING BIOS
Lenovo ThinkPad T470 firmware labelled working, for the CT470 board NM-A931 at revision 2.0, dated 2016-10-28.
BIOS · NM-A931 · 6.55 MB · 9 Jul 2022BIOS rar6.55 MB - LENOVO T470 CT470 NM-A931 REV 2.0 2016-10-28 WORKING BIOS
Working BIOS dump for the Lenovo ThinkPad T470, CT470 project, built on LCFC board NM-A931 revision 2.0, with a date of 2016-10-28 in the name, probably the firmware…
BIOS · NM-A931 · 5.83 MB · 9 Apr 2022BIOS rar5.83 MB - Lenovo T470 CT470 NM-A931 Rev2 W25Q128JV 16MB
SPI flash image for the Lenovo ThinkPad T470, board CT470 NM-A931 revision 2, for a Winbond W25Q128JV chip of 16MB. The RAR archive is 8.00 MB.
BIOS · NM-A931 · 8.00 MB · 29 Nov 2021BIOS rar8.00 MB - Lenovo Thinkpad T470 NM-A931 BIOS
BIOS firmware package for the Lenovo ThinkPad T470 built on the LCFC NM-A931 motherboard, supplied as a 13.6 MB ZIP archive.
BIOS · NM-A931 · 13.6 MB · 16 Jun 2021BIOS zip13.6 MB - NM-A931 U49BIOS · NM-A931 · 16.0 MB · 15 Feb 2020BIOS bin16.0 MB
NM-A931 archives
- LENOVO Thinkpad CT470 T470 NM-A931 Rev2.0 PHOTO
Board photos for the Lenovo ThinkPad T470 (also listed as CT470), motherboard NM-A931 revision 2.0.
Archive · NM-A931 · 48.2 MB · 25 May 2024Archive rar48.2 MB - CT470 NM-A931 (REV 2.0) (2016-10-28)Archive · NM-A931 · 16.1 MB · 10 Jul 2023Archive rar16.1 MB
- Lenovo Thinkpad T470 LCFC NM-A931 Rev 0.1
Archive for the Lenovo ThinkPad T470 mainboard made by LCFC under board number NM-A931, revision 0.1, packed as a 2.21 MB RAR.
Archive · NM-A931 · 2.21 MB · 16 Jun 2021Archive rar2.21 MB - Lenovo T470 (CT470 NM-A931 Rev.2.0)
Service archive for the Lenovo ThinkPad T470, board project CT470 with motherboard number NM-A931 revision 2.0, around 1.98 MB in RAR form.
Archive · NM-A931 · 1.98 MB · 29 Dec 2020Archive rar1.98 MB
Questions about NM-A931
Is there a schematic for NM-A931?
Yes. Enginerys lists 18 schematic files for NM-A931. Each entry links to the Telegram post where the PDF can be downloaded.
Is there a boardview for NM-A931?
Yes, 4 boardview files are listed. Open them with OpenBoardView or the viewer named on the file page.
Who makes the NM-A931 board?
NM-A931 follows the LCFC (Lenovo) numbering scheme (NM-xxxx). It is found in Lenovo devices.