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- X280 Type 20KF, 20KE Laptop ThinkPad Type 20KE NM B521 REVBIOS · NM-B521 · 16.0 MB · 5 May 2025BIOS bin16.0 MB
- LENOVO X280 Type 20KF,20KE Laptop Thinkpad Type 20KE EX280 NM B521BIOS · NM-B521 · 6.08 MB · 24 Sept 2025BIOS zip6.08 MB
- THINKPAD X280 NM-B521 REV 1 TYPE-C TESTED BY FST FIXBIOS · NM-B521 · 1.00 MB · 5 May 2025BIOS bin1.00 MB
- LENOVO ThinkPad EX280 NM b521 Rev 1 0 X280 Type 20KF, 20KE telegramBIOS · NM-B521 · 6.34 MB · 24 Sept 2025BIOS zip6.34 MB
- X280 Type 20KF, 20KE EX280 NM b521 Rev 1 0 Lonovo ThinkPad MainBIOS · NM-B521 · 16.0 MB · 22 Jul 2020BIOS bin16.0 MB
- X280 Type 20KF, 20KE EX280 NM b521 Rev 1 0 Lonovo ThinkPad ECROMBIOS · NM-B521 · 256 KB · 22 Jul 2020BIOS bin256 KB
- LENOVO X280 Type 20KF,20KE Laptop Thinkpad Type 20KE EX280 NM B521BIOS · NM-B521 · 6.14 MB · 21 Aug 2025BIOS rar6.14 MB
- X280 Type 20KF, 20KE Laptop ThinkPad Type 20KE NM B521 REV 2 0 TASTED
Firmware archive for the Lenovo ThinkPad X280, types 20KF and 20KE, dumped from a 20KE unit on LCFC board NM-B521 revision 2.0 and marked as tested.
BIOS · NM-B521 · 8.10 MB · 23 Dec 2024BIOS rar8.10 MB - THINKPAD X280 Type 20KE
Firmware archive for the Lenovo ThinkPad X280, machine type 20KE, packed as a 7.90 MB RAR.
BIOS · 7.90 MB · 24 Apr 2026BIOS rar—7.90 MB - THINKPAD X280 NM-B521 REV 1 TYPE-C TESTED BY FST FIX
Type-C firmware for the ThinkPad X280 on LCFC board NM-B521 revision 1, marked tested. At only 104 KB this is not a main BIOS image but most likely the firmware for the…
BIOS · NM-B521 · 104 KB · 23 Dec 2024BIOS rar104 KB - LENOVO X280 Type 20KF,20KE Laptop Thinkpad Type 20KE EX280 NM B521
BIOS archive for the Lenovo ThinkPad X280, machine types 20KF and 20KE, on the LCFC board NM-B521.
BIOS · NM-B521 · 6.34 MB · 20 Aug 2025BIOS rar6.34 MB - LENOVO ThinkPad EX280 NM b521 Rev 1 0 X280 Type 20KF, 20KE
Lenovo ThinkPad X280 BIOS package for machine types 20KF and 20KE, built on LCFC board NM-B521 revision 1.0, with the project code EX280.
BIOS · NM-B521 · 6.08 MB · 18 Jan 2021BIOS rar6.08 MB - AFS LENOVO ThinkPad EX280 NM b521 Rev 1 0 X280 Type 20KF, 20KE
Firmware archive for the Lenovo ThinkPad X280, machine types 20KF and 20KE, on LCFC motherboard NM-B521 revision 1.0, 6.07 MB in RAR form.
BIOS · NM-B521 · 6.07 MB · 1 Feb 2024BIOS rar6.07 MB