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- NM-C881 CARBON X1BIOS · NM-C881 · 32.0 MB · 5 May 2025BIOS bin32.0 MB
- ThinkPad X1 Carbon 2019 20QE NM-C881BIOS · NM-C881 · 32.0 MB · 12 May 2025BIOS bin32.0 MB
- LENOVO ThinkPad NM-C881REV;1.0 1MB&32MB CLEAN ME BIOSBIOS · 12.2 MB · 6 Apr 2026BIOS rar—12.2 MB
- X1 Carbon 8th Gen - (Type 20U9, 20UA) NM-C881 N2WET30W.binBIOS · NM-C881 · 16.6 MB · 15 Dec 2024BIOS zip16.6 MB
- LENOVO CARBON X1 CX4A0 GYG50 NM C881 REV 1 0 WORKING BIOSBIOS · NM-C881 · 13.4 MB · 3 Dec 2025BIOS rar13.4 MB
- LENOVO ThinkPad X1 Carbon 2019 20QE NM C881 1MB&32MB CLEAN ME OKOKBIOS · NM-C881 · 17.1 MB · 24 Sept 2025BIOS zip17.1 MB
- GX4A0 GYG50 NM C881 REV1 0 32MB BIOS telegram BIOS Repair 2025 09BIOS · NM-C881 · 14.3 MB · 21 Sept 2025BIOS zip14.3 MB
- CARBON X1 GX4A0 GYG50 NM C881 REV 1 0 GREEN telegram BIOS RepairBIOS · NM-C881 · 14.3 MB · 19 Sept 2025BIOS zip14.3 MB
- LENOVO ThinkPad X1 Carbon 2019 20QE NM C881 1MB&32MB CLEAN ME OKOKBIOS · NM-C881 · 15.5 MB · 25 Jul 2025BIOS rar15.5 MB
- LENOVO ThinkPad X1 Carbon 2019 20QE NM C881 1MB&32MB CLEAN ME OKOKBIOS · NM-C881 · 16.7 MB · 21 Apr 2025BIOS rar16.7 MB
- LENOVO CARBON X1 CX4A0 GYG50 NM C881 REV 1 0 WORKING BIOS 100% telegramBIOS · NM-C881 · 14.3 MB · 24 Sept 2025BIOS zip14.3 MB
- LENOVO CARBON X1 CX4A0 GYG50 NM C881 REV 1 0 WORKING BIOS 100% 1BIOS · NM-C881 · 14.3 MB · 24 Sept 2025BIOS zip14.3 MB
- GX4A0GYG50 NM-C881 Rev1.0
Lenovo BIOS dump for board NM-C881 Rev 1.0, carrying code GX4A0GYG50, probably a board label identifier, in an 8.56 MB RAR.
BIOS · NM-C881 · 8.56 MB · 17 Sept 2026BIOS rar8.56 MB - NM-C881 CARBON X1 Moded
Modified BIOS dump for a Lenovo ThinkPad X1 Carbon on board NM-C881, supplied as an 8.56 MB RAR.
BIOS · NM-C881 · 8.56 MB · 17 Sept 2026BIOS rar8.56 MB - NM-C881 CARBON X1
A 32 MB BIOS image for the Lenovo ThinkPad X1 Carbon on LCFC board NM-C881. LCFC is Lenovo's own design house, and its boards use the NM-xxxx numbering.
BIOS · NM-C881 · 32.0 MB · 8 Oct 2025BIOS bin32.0 MB - CARBON X1 GX4A0 GYG50 NM-C881 REV 1.0 GREEN
Lenovo ThinkPad X1 Carbon BIOS for board NM-C881 revision 1.0, with project codes GX4A0 and GYG50 and a GREEN tag, in a RAR archive of about 12.9 MB.
BIOS · NM-C881 · 12.9 MB · 8 Nov 2021BIOS rar12.9 MB - THINKPAD X1 CARBON GEN 8 GX4A0 GYG50 NM C881 REV 1 0 32MB BIOS TESTED
Tested 32 MB BIOS dump for the Lenovo ThinkPad X1 Carbon Gen 8, machine codes GX4A0 and GYG50, motherboard NM-C881 revision 1.0, archived as RAR at 12.9 MB.
BIOS · NM-C881 · 12.9 MB · 27 Feb 2022BIOS rar12.9 MB - GX4A0 GYG50 NM-C881 REV1.0 32MB BIOS
Lenovo BIOS archive for board NM-C881, revision 1.0, with GX4A0 and GYG50 platform codes in the name, carrying a 32MB image.
BIOS · NM-C881 · 14.8 MB · 5 Sept 2024BIOS rar14.8 MB - GX4A0 GYG50 NM-C881 REV 1.0 BIOS OK
Lenovo BIOS dump for the NM-C881 motherboard, revision 1.0, with the GX4A0 and GYG50 board codes, reported as working. It is supplied as an 8.70 MB RAR archive.
BIOS · NM-C881 · 8.70 MB · 15 Sept 2026BIOS rar8.70 MB - CARBON X1 GX4A0 GYG50 NM C881 REV 1 0 GREEN
BIOS archive for the Lenovo ThinkPad X1 Carbon on LCFC board NM-C881, revision 1.0, referencing codes GX4A0 and GYG50, around 13 MB compressed.
BIOS · NM-C881 · 13.0 MB · 11 Oct 2025BIOS rar13.0 MB - LENOVO CARBON X1 CX4A0 GYG50 NM C881 REV 1 0 WORKING BIOS 100%
Working BIOS for the Lenovo ThinkPad X1 Carbon on LCFC mainboard NM-C881 revision 1.0, project codes CX4A0 and GYG50, labelled as fully tested, in a 15.5 MB RAR.
BIOS · NM-C881 · 15.5 MB · 17 Apr 2023BIOS rar15.5 MB - LENOVO CARBON X1 CX4A0 GYG50 NM C881 REV 1 0 WORKING BIOS 100%
Tested working BIOS for the Lenovo ThinkPad X1 Carbon, board CX4A0 GYG50 with number NM-C881, revision 1.0, marked as 100 percent working.
BIOS · NM-C881 · 13.4 MB · 30 Aug 2022BIOS rar13.4 MB - LENOVO ThinkPad X1 Carbon 2019 20QE NM C881 1MB&32MB CLEAN ME OKOK
Firmware set for the Lenovo ThinkPad X1 Carbon 2019 (machine type 20QE) on LCFC board NM-C881, with 1 MB and 32 MB images.
BIOS · NM-C881 · 16.7 MB · 20 Apr 2025BIOS rar16.7 MB - LENOVO X1 YOGA GEN 5 NM C881 V 1 OK TESTED EEPROM EC MEC1663 0x02202445
EC firmware dump for the Lenovo ThinkPad X1 Yoga Gen 5, built on LCFC board NM-C881 revision 1, marked as tested and working.
BIOS · NM-C881 · 46.1 KB · 19 May 2024BIOS rar46.1 KB