NM-C661 is a LCFC (Lenovo) motherboard used in Lenovo devices. Enginerys has 14 schematics, 3 boardviews, 17 BIOS dumps and 3 archives for this board, collected from public Telegram channels.
Check that NM-C661 matches the number printed on your PCB, including the revision. Where to find it →
NM-C661 schematics
- NM-C661 BOTSchematic · NM-C661 · 73.3 KB · 5 Aug 2026Schematic pdf73.3 KB
- NM-C661Schematic · NM-C661 · 1.41 MB · 5 Aug 2026Schematic pdf1.41 MB
- LENOVO NM-C661 PDF
Lenovo motherboard schematic for board NM-C661, supplied as a plain PDF of about 1.4 MB; the name gives no laptop model or revision.
Schematic · NM-C661 · 1.41 MB · 27 Jan 2026Schematic pdf1.41 MB - LENOVO NM-C661 PDF
RAR archive of about 1.4 MB containing the schematic for Lenovo board NM-C661, with no laptop model or revision stated in the name.
Schematic · NM-C661 · 1.42 MB · 27 Jan 2026Schematic rar1.42 MB - NM-C661 BOTSchematic · NM-C661 · 73.3 KB · 26 Sept 2025Schematic pdf73.3 KB
- NM-C661Schematic · NM-C661 · 1.41 MB · 26 Sept 2025Schematic pdf1.41 MB
- NM-C661 PDFSchematic · NM-C661 · 1.41 MB · 8 Aug 2025Schematic pdf1.41 MB
- NM-C661 pdf(bdv)Schematic · NM-C661 · 73.3 KB · 8 Aug 2025Schematic pdf73.3 KB
- NM-C661 BOTSchematic · NM-C661 · 73.3 KB · 7 Aug 2025Schematic pdf73.3 KB
- NM-C661Schematic · NM-C661 · 1.41 MB · 7 Aug 2025Schematic pdf1.41 MB
- NM-C661Schematic · NM-C661 · 1.41 MB · 7 Aug 2025Schematic pdf1.41 MB
- NM-C661 BOTSchematic · NM-C661 · 73.3 KB · 7 Aug 2025Schematic pdf73.3 KB
- X1 Carbon 7th Gen Type 20R1, 20R2 Laptop ThinkPad NM C661 REV 1Schematic · NM-C661 · 18.0 MB · 9 Jan 2024Schematic rar18.0 MB
- X1 Carbon 7th Gen NM-C661 REV 1.0Schematic · NM-C661 · 18.0 MB · 27 Dec 2023Schematic rar18.0 MB
NM-C661 boardviews
- LENOVO NM-C661 PDFBoardview · NM-C661 · 1.58 MB · 4 Sept 2026Boardview rar1.58 MB
- Thinkpad X1 Carbon 7th - NM-C661 REV 1.0 Schematic pdf bdvBoardview · NM-C661 · 1.40 MB · 8 Aug 2025Boardview rar1.40 MB
- Lenovo X1 Carbon 8th Gen LCFC GX490 NM C661 Schematic & Silkscreen
RAR package for the 8th-generation Lenovo ThinkPad X1 Carbon on the LCFC GX490 board, number NM-C661, containing both the schematic and the silkscreen part placement.
Boardview · NM-C661 · 5.12 MB · 19 Jan 2023Boardview rar5.12 MB
NM-C661 BIOS dumps
- gen5 2BIOS · NM-C661 · 32.0 MB · 24 Oct 2026BIOS bin32.0 MB
- gen5 2BIOS · NM-C661 · 32.0 MB · 24 Oct 2026BIOS bin32.0 MB
- X1 Carbon 7th Gen Type 20R1, 20R2 Laptop ThinkPad NM C661 REV 1BIOS · NM-C661 · 32.0 MB · 16 Sept 2026BIOS bin32.0 MB
- nm-c661 main non detect me regionBIOS · NM-C661 · 32.0 MB · 16 Sept 2026BIOS bin32.0 MB
- Lenovo X1 BIOS NM C661 REV;1 0 BIOS & EC TESTED BIOS OKBIOS · NM-C661 · 8.35 MB · 30 Jun 2026BIOS rar8.35 MB
- ThinkPad X1 Yoga Gen 5 GX490 NM-C661
BIOS firmware for the Lenovo ThinkPad X1 Yoga Gen 5, platform GX490, mainboard NM-C661, in an 8.24 MB RAR archive.
BIOS · NM-C661 · 8.24 MB · 4 Jun 2026BIOS rar8.24 MB - GX490 NM-C661 REV 1.0 10 TH GEN CPU
32MB BIOS dump for the Lenovo board NM-C661 revision 1.0, labelled GX490 and noted for 10th-generation Intel CPUs.
BIOS · NM-C661 · 32.0 MB · 23 Jan 2026BIOS bin32.0 MB - NM-C661
Raw 32MB BIOS image for the LCFC board NM-C661, used in Lenovo laptops. The name gives only the board number, with no model, revision or CPU variant; another dump of the…
BIOS · NM-C661 · 32.0 MB · 23 Jan 2026BIOS bin32.0 MB - Lenovo X1 BIOS nm c661 1 0 BIOS & EC TESTED OK telegram BIOS RepairBIOS · NM-C661 · 14.0 MB · 24 Sept 2025BIOS zip14.0 MB
- GX490 NM-C661 REV 1.0 telegram BIOS Repair-2025-09-16BIOS · NM-C661 · 13.7 MB · 21 Sept 2025BIOS zip13.7 MB
- GX490 NM C661 REV 1 0 10 TH GEN CPU telegram BIOS Repair 2025 09BIOS · NM-C661 · 13.9 MB · 21 Sept 2025BIOS zip13.9 MB
- Lenovo ThinkPad X1 Carbon 8th Gen Type 20U9, 20UA NM-C661BIOS · NM-C661 · 32.0 MB · 12 May 2025BIOS bin32.0 MB
- NM-C661BIOS · NM-C661 · 32.0 MB · 9 May 2025BIOS bin32.0 MB
- AFS Lenovo X1 BIOS nm-c661 1.0 BIOS & EC TESTED OKBIOS · NM-C661 · 8.35 MB · 1 Feb 2024BIOS rar8.35 MB
- GX490 NM-C661 REV 1.0 10 TH GEN CPU
Firmware archive for a Lenovo board coded GX490, LCFC number NM-C661, revision 1.0, intended for the 10th generation CPU version.
BIOS · NM-C661 · 12.6 MB · 18 Apr 2022BIOS rar12.6 MB - Lenovo X1 BIOS nm-c661 1.0 BIOS & EC TESTED OK
BIOS and EC firmware for a Lenovo X1 laptop on board NM-C661 revision 1.0, marked as tested and working, packed in a ZIP of about 13.8 MB.
BIOS · NM-C661 · 13.8 MB · 19 Oct 2021BIOS zip13.8 MB - GX490 NM-C661 REV 1.0
BIOS package for a Lenovo board coded NM-C661 revision 1.0, with GX490 given as the project name, in a 13.6 MB ZIP archive.
BIOS · NM-C661 · 13.6 MB · 14 Oct 2021BIOS zip13.6 MB
NM-C661 archives
- nm-c661
RAR archive of 26.5 MB named only after the board number NM-C661, an LCFC-style number of the kind used on Lenovo boards.
Archive · NM-C661 · 26.5 MB · 12 Sept 2025Archive rar26.5 MB - NM C661 REV 1.0
Lenovo archive for board NM-C661, revision 1.0, an LCFC-numbered design from Lenovo's own ODM.
Archive · NM-C661 · 28.6 MB · 19 May 2025Archive rar28.6 MB - GX490 NM-C661 (REV 1.0) (2019-06-04) N2WET19WArchive · NM-C661 · 13.6 MB · 12 Jun 2024Archive zip13.6 MB
Questions about NM-C661
Is there a schematic for NM-C661?
Yes. Enginerys lists 14 schematic files for NM-C661. Each entry links to the Telegram post where the PDF can be downloaded.
Is there a boardview for NM-C661?
Yes, 3 boardview files are listed. Open them with OpenBoardView or the viewer named on the file page.
Who makes the NM-C661 board?
NM-C661 follows the LCFC (Lenovo) numbering scheme (NM-xxxx). It is found in Lenovo devices.