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- ThinkPad T490S X390 FX390 NM-B891 Rev2.0 MX25L25633FBIOS · NM-B891 · 14.8 MB · 27 Apr 2022BIOS rar14.8 MB
- T490S X390 FX390 NM-B891 Rev 2.0 MX25L25633F ThinkPadBIOS · NM-B891 · 32.0 MB · 22 Jul 2020BIOS bin32.0 MB
- EEPROM EC MEC1663 t490BIOS · 2.00 KB · 17 Feb 2024BIOS bin—2.00 KB
- Lenovo Thinkpad T490s NM-B891 pdfSchematic · NM-B891 · 3.18 MB · 27 Sept 2025Schematic pdf3.18 MB
- T490 Type 20N2, 20N3 Laptop ThinkPad Type 20N3 NM B901 REVBIOS · NM-B901 · 32.0 MB · 5 May 2025BIOS bin32.0 MB
- ThinkPad T490S X390 FX390 NM B891 Rev2 0 MX25L25633F Luirons BiosBIOS · NM-B891 · 14.8 MB · 22 Feb 2021BIOS rar14.8 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
- 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
- LENOVO T490S FT491 FX390 NM B891 REV 2 0 2019 01 28 UNLOCKED telegramBIOS · NM-B891 · 13.7 MB · 24 Sept 2025BIOS zip13.7 MB
- AFS LENOVO T490S FT491 FX390 NM B891 REV 2 0 2019 01 28 UNLOCKEDBIOS · NM-B891 · 8.15 MB · 1 Feb 2024BIOS rar8.15 MB
- AFS LENOVO T490 MB FT490 FT492 FT590 FP531 NM B902 REV 1 0 2019BIOS · NM-B902 · 15.4 MB · 1 Feb 2024BIOS rar15.4 MB
- LENOVO T490 MB FT490 FT492 FT590 FP531 NM B902 REV 1 0 2019 07 30BIOS · NM-B902 · 26.3 MB · 24 Sept 2025BIOS zip26.3 MB
- LENOVO T490 FT490 FT492 FT590 FP531 NM B901 REV 1 0 2018 12 29 telegramBIOS · NM-B901 · 15.9 MB · 24 Sept 2025BIOS zip15.9 MB
- LENOVO T490S FT491 FX390 NM B891 REV 2 0 2019 01 28 i7 8565U WORKINGBIOS · NM-B891 · 13.8 MB · 24 Sept 2025BIOS zip13.8 MB
- LENOVO T490S FT491 FX390 NM B891 REV 2 0 2019 01 28 i7 8565U BIOSBIOS · NM-B891 · 11.3 MB · 10 Dec 2024BIOS rar11.3 MB
- LENOVO T490 T590 DRIFT NM-B901 v1.0 PDFSchematic · NM-B901 · 3.58 MB · 16 Nov 2022Schematic pdf3.58 MB
- LENOVO THINKPAD T490S LCFC NM-B891Archive · NM-B891 · 17.1 MB · 7 Jun 2026Archive zip17.1 MB
- T490s FT491FX390 NM-B891Boardview · NM-B891 · 15.0 MB · 14 Apr 2026Boardview rar15.0 MB
- ThinkPad T490, T590, P53s, P43s BIOS FT490FT492FT590FT591 NM B901Boardview · NM-B901 · 11.6 MB · 12 Feb 2024Boardview rar11.6 MB
- T490 FT490 FT492 FT590 FP531 NM B901 REV 1 0 2018 12 28 CPU 8GENBIOS · NM-B901 · 7.70 MB · 9 Jun 2026BIOS rar7.70 MB
- Lenovo T490 bios
BIOS firmware for the Lenovo ThinkPad T490, delivered as a 10.2 MB RAR; the name gives no board number, version or source serial.
BIOS · 10.2 MB · 24 Apr 2026BIOS rar—10.2 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 - ThinkPad T490, T590, P53s, P43s BIOS N2IET29W FT490 FT492 FT590
BIOS for the Lenovo ThinkPad T490, T590, P53s and P43s, which share firmware, at version N2IET29W.
BIOS · 10.2 MB · 5 Apr 2021BIOS rar—10.2 MB - Thinkpad T490S NM-B891 (BDV)(TVW)
Boardview package for the Lenovo ThinkPad T490s, LCFC motherboard NM-B891, containing BDV and TVW versions in one ZIP.
Boardview · NM-B891 · 1.67 MB · 5 Oct 2025Boardview zip1.67 MB - Lenovo ThinkPad T490 Type (20N2) (N2IET87W)
BIOS dump for the Lenovo ThinkPad T490, machine type 20N2, with BIOS version N2IET87W given in the name.
BIOS · 7.49 MB · 24 Apr 2026BIOS rar—7.49 MB - Lenovo Thinkpad T490s NM-B891 Schematic
Lenovo ThinkPad T490s schematic in PDF form for the motherboard numbered NM-B891. NM- prefixed numbers come from LCFC, the Lenovo-owned design and manufacturing arm that…
Schematic · NM-B891 · 3.18 MB · 13 Sept 2021Schematic pdf3.18 MB - Lenovo Thinkpad T490 Type (20N3) (N2IETA0P)
BIOS image collection for the Lenovo ThinkPad T490, type 20N3, at firmware version N2IETA0P, stored as a 9.95 MB RAR archive.
BIOS · 9.95 MB · 24 Apr 2026BIOS rar—9.95 MB - LENOVO T490S FT491 FX390 NM B891 REV 2.0 2019 01 28
Lenovo ThinkPad T490s archive for motherboard NM-B891 revision 2.0, dated 28 January 2019, with project codes FT491 and FX390.
Archive · NM-B891 · 8.12 MB · 19 May 2025Archive rar8.12 MB - 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 - Thinkpad T490S NM-B891 (BDV)(TVW)
Boardview for the Lenovo ThinkPad T490s mainboard NM-B891, an LCFC-designed board, supplied as a 737 KB RAR.
Boardview · NM-B891 · 737 KB · 8 Jan 2023Boardview rar737 KB - Lenovo Thinkpad T490s NM-B891 Schematic
Schematic diagram for the Lenovo ThinkPad T490s mainboard NM-B891, provided in a 2.71 MB RAR archive.
Schematic · NM-B891 · 2.71 MB · 6 Mar 2021Schematic rar2.71 MB - T490 T590 DRIFT NM-B901 v1.0
Schematic PDF for the Lenovo ThinkPad T490 and T590, project name DRIFT, board NM-B901 version 1.0, about 3.58 MB. NM-B901 follows LCFC numbering for Lenovo designs.
Schematic · NM-B901 · 3.58 MB · 22 Dec 2023Schematic pdf3.58 MB - ThinkPad T490S X390 FX390 NM-B891 Rev2.0 MX25L25633F
BIOS dump shared by the ThinkPad T490s and X390, board FX390 NM-B891 revision 2.0, with the Macronix MX25L25633F flash chip named.
BIOS · NM-B891 · 14.8 MB · 16 Nov 2021BIOS rar14.8 MB - Lenovo ThinkPad T490, T590 - DRIFT NM-B901 Schematic
Schematic covering the Lenovo ThinkPad T490 and T590, which share the DRIFT project and the NM-B901 motherboard, packed as a 2.54 MB RAR.
Schematic · NM-B901 · 2.54 MB · 6 Mar 2021Schematic rar2.54 MB - LENOVO T490S FT491 FX390 NM B891 REV 2 0 2019 01 28 UNLOCKED
Unlocked BIOS image for the ThinkPad T490s, board FT491 FX390 NM-B891 revision 2.0, dated 2019-01-28.
BIOS · NM-B891 · 12.4 MB · 16 Nov 2021BIOS rar12.4 MB - Lenovo T490, NM-B901 rev.1.0 20N3-SA5500
Lenovo ThinkPad T490 BIOS image for board NM-B901 revision 1.0, taken from machine type 20N3, with SA5500 in the name.
BIOS · NM-B901 · 10.2 MB · 24 Apr 2026BIOS rar10.2 MB - LENOVO T490S NM FT491 FX390 B891 FEV 2.0 ABSOLUTE ENABLE
BIOS firmware archive for the Lenovo ThinkPad T490s, labelled with the board identifiers NM FT491, FX390 and B891 at revision 2.0.
BIOS · 15.3 MB · 24 Apr 2026BIOS rar—15.3 MB - Lenovo ThinkPad T490, T590 - DRIFT NM-B901 Schematic
Schematic in PDF for the Lenovo ThinkPad T490 and T590, project DRIFT, board NM-B901. The NM- numbering identifies LCFC, Lenovo's in-house ODM, and one board design…
Schematic · NM-B901 · 3.58 MB · 13 Sept 2021Schematic pdf3.58 MB