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- Thinkpad E580 EE480 EE580 NM-B421 REV-1.0 DUMP OK ME ClearedBIOS · NM-B421 · 8.00 MB · 24 Nov 2021BIOS bin8.00 MB
- LENOVO E480 EE480 EE580 NM B421 REV 1 0 2017 10 30 WORKING BIOSBIOS · NM-B421 · 5.06 MB · 24 Sept 2025BIOS zip5.06 MB
- Lenovo Thikpad E480 EE480 EE580 NM B421 REV 1 0 2017 10 30 TESTEArchive · NM-B421 · 4.76 MB · 28 Apr 2025Archive rar4.76 MB
- Lenovo Thikpad E480 EE480 EE580 NM B421 REV 1 0 2017 10 30 TESTEDBIOS · NM-B421 · 4.76 MB · 9 Sept 2021BIOS rar4.76 MB
- NM-B421-REV-1.0BIOS · NM-B421 · 8.00 MB · 29 Aug 2025BIOS bin8.00 MB
- LENOVO E480 EE480 EE580 NM B421 REV 1 0 2017 10 30 i5 8250U telegramBIOS · NM-B421 · 5.09 MB · 23 Sept 2025BIOS zip5.09 MB
- LENOVO E480 EE480 EE580 NM B421 REV 1 0 2017 10 30 i3 7020U telegramBIOS · NM-B421 · 5.12 MB · 23 Sept 2025BIOS zip5.12 MB
- E480 EE580 NM B421 REV 1 0 2017 10 30 BIOS & EC telegram BIOS RepairBIOS · NM-B421 · 5.04 MB · 20 Sept 2025BIOS zip5.04 MB
- Thinkpad E580 LCFC NM-B421 DIS E480 E580 r1.0Schematic · NM-B421 · 10.9 MB · 2 Jul 2020Schematic pdf10.9 MB
- Thinkpad E480 NM-B421
ZIP archive for the Lenovo ThinkPad E480 with motherboard NM-B421, a board number in the NM pattern used by LCFC, Lenovo's own manufacturing arm.
Archive · NM-B421 · 1.73 MB · 28 Sept 2026Archive zip1.73 MB - RTSx5455 NM-B421
Realtek RTS5455-family USB Type-C PD controller dump for Lenovo board NM-B421, provided as a 46.1 KB RAR archive.
BIOS · NM-B421 · 46.1 KB · 21 May 2026BIOS rar46.1 KB - Thinkpad E580 LCFC NM-B421 BoardView PDF
Boardview for the Lenovo ThinkPad E580, board number NM-B421, designed by LCFC, Lenovo's own laptop ODM that uses the NM-xxxx numbering.
Boardview · NM-B421 · 228 KB · 6 Feb 2022Boardview rar228 KB - Lenovo e480 e580 LCFC NM-B421 PDF
Schematic package for the Lenovo ThinkPad E480 and E580, built on the LCFC NM-B421 motherboard, supplied as a RAR archive of about 10.9 MB holding the PDF diagram.
Schematic · NM-B421 · 10.9 MB · 23 Feb 2026Schematic rar10.9 MB - LENOVO THIKPAD E580 E590 NM-B421 REV 1 TESTED BY FST FIX
Tested BIOS dump for the Lenovo ThinkPad E580 and E590 on LCFC board NM-B421 revision 1.
BIOS · NM-B421 · 4.70 MB · 23 Dec 2024BIOS rar4.70 MB - Thinkpad E480 EE480 EE580 NM-B421 Rev 1.0
BIOS dump for the Lenovo ThinkPad E480 and E580 range, also listed as EE480 and EE580, on the NM-B421 board revision 1.0.
BIOS · NM-B421 · 4.66 MB · 5 Jan 2021BIOS rar4.66 MB - LENOVO E480 - NM-B421 Rev1.0 BoardView (BDV)(.TVW)
Boardview for the Lenovo ThinkPad E480 motherboard, LCFC NM-B421 revision 1.0, supplied in TVW format inside a RAR archive.
Boardview · NM-B421 · 1.51 MB · 24 Mar 2024Boardview rar1.51 MB - AFS Lenovo Thinkpad E480 E580 LCFC NM-B421 Rev1.0vvv
BIOS dump shared by the Lenovo ThinkPad E480 and E580, both built on LCFC motherboard NM-B421 revision 1.0, stored in a 4.66 MB RAR archive.
BIOS · NM-B421 · 4.66 MB · 1 Feb 2024BIOS rar4.66 MB - Lenovo E480 E580, NM-B421 clear me
BIOS dump for the Lenovo ThinkPad E480 and E580 built on the NM-B421 motherboard, packed as a RAR archive of 4.71 MB.
BIOS · NM-B421 · 4.71 MB · 31 Mar 2021BIOS rar4.71 MB - Lenovo e480 e580 LCFC NM-B421 bdv
Boardview for the LCFC NM-B421 motherboard found in the Lenovo ThinkPad E480 and E580, packed in a 1.51 MB RAR archive.
Boardview · NM-B421 · 1.51 MB · 23 Feb 2026Boardview rar1.51 MB - NM B421R10 ATE
PDF schematic for board NM-B421, with the R10 token most likely marking revision 1.0 and ATE appearing as an extra label whose meaning the name does not explain.
Schematic · 3.00 MB · 19 May 2025Schematic pdf—3.00 MB - LCFC NM-B421 PDF
Schematic in PDF form for the LCFC board NM-B421, compressed into a 10.9 MB RAR archive; the name gives no laptop model or revision.
Schematic · NM-B421 · 10.9 MB · 18 Nov 2021Schematic rar10.9 MB - LENOVO E480 - NM-B421 Rev1.0 BoardView (BDV)(.TVW)
Boardview set for the Lenovo E480 (ThinkPad E480) on LCFC board NM-B421, revision 1.0. The 3.68 MB ZIP contains the layout in BDV format and also in TVW format, which is…
Boardview · NM-B421 · 3.68 MB · 24 Mar 2024Boardview zip3.68 MB - SM BIOS RTSx5455 NM-B421
Realtek RTS5455 series Type-C power delivery firmware for the Lenovo NM-B421 motherboard, an LCFC (Lenovo-owned ODM) board number.
BIOS · NM-B421 · 46.3 KB · 18 Sept 2025BIOS rar46.3 KB - E480-EE580 NM-B421 REV 1.0 2017-10-30 BIOS & EC OK
Lenovo BIOS and EC firmware for the E480 and E580 motherboard, LCFC board number NM-B421 revision 1.0, dated 2017-10-30 and reported as working.
BIOS · NM-B421 · 4.81 MB · 15 Sept 2026BIOS rar4.81 MB - Lenovo Thinkpad E480 E580 LCFC NM-B421 Rev1.0 2017-10-30
BIOS package for the Lenovo ThinkPad E480 and E580 on LCFC board NM-B421, revision 1.0, dated 2017-10-30.
BIOS · NM-B421 · 4.77 MB · 23 Jan 2022BIOS rar4.77 MB - Lenovo ThinkPad R480 NM B421 1 0 EE480 EE580 original 16 MB BIOS
Original 16 MB BIOS for the Lenovo ThinkPad R480 on board NM-B421 revision 1.0, with EE480 and EE580 named as platform codes.
BIOS · NM-B421 · 4.89 MB · 25 Nov 2021BIOS zip4.89 MB - AFS Lenovo Thinkpad E480 E580 LCFC NM-B421 Rev1.0 2017-10-30
Firmware image for the Lenovo ThinkPad E480 and E580 on LCFC motherboard NM-B421 revision 1.0, with the date 2017-10-30 in the name, supplied as a 4.72 MB RAR.
BIOS · NM-B421 · 4.72 MB · 1 Feb 2024BIOS rar4.72 MB - LENOVO E480 EE480 EE580 NM B421 REV 1 0 2017 10 30 WORKING BIOS
Tested BIOS for Lenovo ThinkPad E480 and E580 laptops, also listed as EE480 and EE580, built on LCFC motherboard NM-B421 revision 1.0 dated 2017-10-30.
BIOS · NM-B421 · 7.23 MB · 17 Nov 2022BIOS rar7.23 MB - NM-B421 REV 1 TESTED BY FST FIX
BIOS dump for an LCFC board NM-B421 revision 1, reported as tested by FST Fix, with no laptop model given in the name.
BIOS · NM-B421 · 4.70 MB · 23 Dec 2024BIOS rar4.70 MB - LENOVO E480 EE480 EE580 NM-B421 REV 1.0 2017-10-30 i3-7020U
Lenovo ThinkPad E480 and E580 BIOS dump, with EE480 and EE580 also listed, for the LCFC board NM-B421 revision 1.0.
BIOS · NM-B421 · 8.66 MB · 17 Nov 2022BIOS rar8.66 MB - E580 Type 20KS 20KT Laptop ThinkPad Type 20KS NM B421 REV 1 TESTED
Lenovo ThinkPad E580 BIOS dump for machine types 20KS and 20KT, taken from a 20KS unit built on the NM-B421 motherboard, revision 1, and marked as tested.
BIOS · NM-B421 · 4.76 MB · 23 Dec 2024BIOS rar4.76 MB - Lenovo Thinkpad E480 E580 LCFC NM-B421 Rev1.0vvv
Firmware dump for Lenovo ThinkPad E480 and E580 laptops built on LCFC board NM-B421 revision 1.0, packed in a 4.66 MB RAR archive.
BIOS · NM-B421 · 4.66 MB · 31 Aug 2020BIOS rar4.66 MB - E480 EE580 NM-B421 REV 1.0 2017-10-30 BIOS & EC
BIOS and EC firmware set for Lenovo ThinkPad E480 and E580 on board NM-B421, revision 1.0, dated 2017-10-30 in the name. The RAR is about 5.16 MB.
BIOS · NM-B421 · 5.16 MB · 7 Jul 2025BIOS rar5.16 MB - LENOVO E480 EE480 EE580 NM-B421 REV 1.0 2017-10-30 i5-8250U
Firmware archive for the Lenovo E480 / E580 family (EE480, EE580) built on the LCFC NM-B421 motherboard, revision 1.0, with the date code 2017-10-30.
BIOS · NM-B421 · 7.10 MB · 17 Nov 2022BIOS rar7.10 MB - EE480 EE580 NM-B421 REV 1.0 2017-10-30 BIOS 7 KBEC OKOK
BIOS for Lenovo EE480 and EE580 projects, the ThinkPad E480 and E580, on LCFC board NM-B421 revision 1.0 dated 2017-10-30, packed in ZIP.
BIOS · NM-B421 · 7.30 MB · 8 Jul 2025BIOS zip7.30 MB - THINKPAD E480 EE480 EE580 NM B421 REV 1 0 2017 10 30 AMD 216 0905004
Firmware package for Lenovo ThinkPad E480 and E580 on board NM-B421, revision 1.0 dated 2017-10-30, using the EE480 and EE580 project codes, archived as ZIP.
BIOS · NM-B421 · 8.04 MB · 8 Jul 2025BIOS zip8.04 MB