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- 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 - XI YOGA GEN 3
Lenovo firmware archive of 6.05 MB labelled for the ThinkPad X1 Yoga Gen 3, though the name carries no board number, revision or chip size.
BIOS · 6.05 MB · 2 May 2025BIOS rar—6.05 MB - l 1BIOS · 32.0 MB · 6 Dec 2025BIOS bin—32.0 MB
- gen5 2BIOS · NM-C661 · 32.0 MB · 24 Oct 2026BIOS bin32.0 MB
- N25ET35W.binBIOS · 17800-1 · 8.73 MB · 31 May 2024BIOS zip8.73 MB
- LENOVO YOUGA X1 14282 2M LRV1 MB 448 04P18 002M UNLOCKED BIOS OK
Unlocked BIOS dump for a Lenovo Yoga X1 (spelled YOUGA in the name), with the tokens 14282-2M, LRV1 and 448.04P18.002M identifying the mainboard and its revision.
BIOS · 5.66 MB · 12 Apr 2022BIOS rar—5.66 MB - gen5 2BIOS · NM-C661 · 32.0 MB · 24 Oct 2026BIOS bin32.0 MB