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- NM-C661BIOS · NM-C661 · 32.0 MB · 9 May 2025BIOS bin32.0 MB
- Lenovo ThinkPad X1 Carbon 8th Gen Type 20U9, 20UA NM-C661BIOS · NM-C661 · 32.0 MB · 12 May 2025BIOS bin32.0 MB
- GX490 NM-C661 REV 1.0 telegram BIOS Repair-2025-09-16BIOS · NM-C661 · 13.7 MB · 21 Sept 2025BIOS zip13.7 MB
- AFS Lenovo X1 BIOS nm-c661 1.0 BIOS & EC TESTED OKBIOS · NM-C661 · 8.35 MB · 1 Feb 2024BIOS rar8.35 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
- 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
- X1 Carbon 7th Gen Type 20R1, 20R2 Laptop ThinkPad NM C661 REV 1BIOS · NM-C661 · 32.0 MB · 16 Sept 2026BIOS bin32.0 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
- nm-c661 main non detect me regionBIOS · NM-C661 · 32.0 MB · 16 Sept 2026BIOS bin32.0 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 - 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 - 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 - 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 - 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 - 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 - 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