Boards NM-B901 1
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- T490 mecBIOS · 256 KB · 5 May 2025BIOS bin—256 KB
- T490 mec.binBIOS · 132 KB · 22 Dec 2025BIOS zip—132 KB
- T490 mec.binBIOS · 132 KB · 22 Dec 2023BIOS zip—132 KB
- EEPROM EC MEC1663 t490BIOS · 2.00 KB · 17 Feb 2024BIOS bin—2.00 KB
- 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