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- t490 oldBIOS · 32.0 MB · 29 Oct 2026BIOS bin—32.0 MB
- T490 mecBIOS · 256 KB · 5 May 2025BIOS bin—256 KB
- t490s ogBIOS · 32.0 MB · 3 Jul 2023BIOS bin—32.0 MB
- T490S PASSBIOS · 32.0 MB · 25 Mar 2023BIOS bin—32.0 MB
- t490s special biosBIOS · 32.0 MB · 3 Jul 2023BIOS bin—32.0 MB
- NO DISPLAY t490sBIOS · 32.0 MB · 27 Oct 2026BIOS bin—32.0 MB
- T490 mec.binBIOS · 132 KB · 22 Dec 2025BIOS zip—132 KB
- T490 mec.binBIOS · 132 KB · 22 Dec 2023BIOS zip—132 KB
- t490 bios.binBIOS · 32.0 MB · 4 Jul 2023BIOS bin—32.0 MB
- new Bios lenovo t490sBIOS · 32.0 MB · 13 Jul 2024BIOS bin—32.0 MB
- t490s original biosBIOS · 32.0 MB · 3 Jul 2023BIOS bin—32.0 MB
- T490BIOS · 32.0 MB · 10 Feb 2026BIOS bin—32.0 MB
- lenovo T490s Repair fileBIOS · 32.0 MB · 21 Oct 2024BIOS bin—32.0 MB
- T490 nm b901 clearme ok testedBIOS · NM-B901 · 32.0 MB · 5 May 2025BIOS bin32.0 MB
- T490,NEWBIOS · 32.0 MB · 22 Aug 2025BIOS bin—32.0 MB
- NM-B902 REV 1.0 T490 OLD DUMPPBIOS · NM-B902 · 32.0 MB · 27 Mar 2025BIOS bin32.0 MB
- NM-B902 REV 1.0 T490 OLD DUMPPBIOS · NM-B902 · 32.0 MB · 27 Mar 2025BIOS bin32.0 MB
- LENOVO t490 nm-b902BIOS · NM-B902 · 32.0 MB · 30 Oct 2026BIOS bin32.0 MB
- ThinkPad T490S X390 FX390 NM-B891 Rev2.0 MX25L25633FBIOS · NM-B891 · 32.0 MB · 5 May 2025BIOS bin32.0 MB
- LENOVO T490 Type 20N2, 20N3 Laptop ThinkPad Type 20N2 FT49BIOS · 32.0 MB · 5 May 2025BIOS bin—32.0 MB
- T490S X390 FX390 NM-B891 Rev 2.0 MX25L25633F ThinkPadBIOS · NM-B891 · 32.0 MB · 22 Jul 2020BIOS bin32.0 MB
- VIP TOOL LAPTOP BIOS SOLUTION LENOVO t490 nm-b902BIOS · NM-B902 · 32.0 MB · 30 Oct 2026BIOS bin32.0 MB
- LENOVO THINKAPD T490OK TESTED WORKING BIOS ME CLEANBIOS · 32.0 MB · 9 Oct 2026BIOS bin—32.0 MB
- T490 Type 20N2, 20N3 Laptop ThinkPad Type 20N3 NM B901 REVBIOS · NM-B901 · 32.0 MB · 5 May 2025BIOS bin32.0 MB
- EEPROM EC MEC1663 t490BIOS · 2.00 KB · 17 Feb 2024BIOS bin—2.00 KB
- LENOVO T490S FT491 FX390 NM-B891 REV 2.0 2019-01-28 UNLOCKEDBIOS · NM-B891 · 32.0 MB · 12 May 2025BIOS bin32.0 MB
- LENOVO T490S FT491 FX390 NM-B891 REV 2.0 2019-01-28 UNLOCKEDBIOS · NM-B891 · 32.0 MB · 9 May 2025BIOS bin32.0 MB
- ThinkPad T490, T590, P53s, P43s BIOS FT490FT492FT590FT591 NM B901Boardview · NM-B901 · 11.6 MB · 12 Feb 2024Boardview rar11.6 MB
- T490 mec.bin
Small zipped firmware file of 132 KB for the ThinkPad T490, named as MEC, which points to the embedded controller firmware for a Microchip MEC-series EC.
BIOS · 132 KB · 18 Dec 2025BIOS zip—132 KB - Lenovo ThinkPad T490 NM-B901 FT490 FT492 FT590 FP531 photo
Photo archive of 57.7 MB for the Lenovo ThinkPad T490 mainboard NM-B901, with FT490, FT492, FT590 and FP531 codes listed in the name.
BIOS · NM-B901 · 57.7 MB · 22 Dec 2023BIOS zip57.7 MB - NM-B901BIOS · NM-B901 · 32.0 MB · 2 Jul 2026BIOS bin32.0 MB
- bkp nomBIOS · 192 KB · 29 Oct 2026BIOS bin—192 KB
- back-MX25L25633FBIOS · NM-B891 · 32.0 MB · 13 Jul 2024BIOS bin32.0 MB