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- JKCN42WWBIOS · 8.25 MB · 8 Sept 2026BIOS zip—8.25 MB
- jkcn41wwBIOS · 8.00 MB · 12 May 2025BIOS bin—8.00 MB
- jkcn41wwBIOS · 8.00 MB · 9 May 2025BIOS bin—8.00 MB
- JKBIOS · 256 B · 7 May 2025BIOS bin—256 B
- JKCN42WWBIOS · 8.25 MB · 25 Apr 2024BIOS zip—8.25 MB
- jkcn41ww.ECBIOS · 16.0 MB · 12 May 2025BIOS bin—16.0 MB
- jkcn41ww.ECBIOS · 16.0 MB · 9 May 2025BIOS bin—16.0 MB
- 430439 JK LENOVOBIOS · 8.00 MB · 19 Feb 2026BIOS bin—8.00 MB
- 20191123@jk GDOCK sysupgradeBIOS · 29.4 MB · 28 Apr 2025BIOS bin—29.4 MB
- 432017 JK DELL 8MBBIOS · 8.00 MB · 10 Mar 2026BIOS bin—8.00 MB
- 430439 JK LENOVO 1BIOS · 16.0 MB · 19 Feb 2026BIOS bin—16.0 MB
- JKCN42WWBIOS · 8.25 MB · 25 Apr 2024BIOS zip—8.25 MB
- 432017 JK DELL 16 MBBIOS · 16.0 MB · 10 Mar 2026BIOS bin—16.0 MB
- RUINUO JK 999B T80 DL6 8202LBIOS · 1.00 MB · 29 Apr 2025BIOS bin—1.00 MB
- RUINUO HD 65 8202 JK B50BIOS · 1.00 MB · 29 Apr 2025BIOS bin—1.00 MB
- jkeys2 9 11 026-by-samr2000BIOS · 165 KB · 10 Jul 2019BIOS zip—165 KB
- LENOVO JV473 & JV573 & JS478 & JS578 & JS778 NM E341 jkcn41 BIOSBIOS · NM-E341 · 8.24 MB · 9 Oct 2025BIOS zip8.24 MB
- LENOVO JV473 & JV573 & JS478 & JS578 & JS778 NM E341 jkcn41ww BIOSBIOS · NM-E341 · 8.38 MB · 24 Sept 2025BIOS zip8.38 MB
- LENOVO IDEAPAD 15IAU7 JS47 JS76 NM E331 REV 1 0 JKCN42WW BIOS &BIOS · NM-E331 · 14.6 MB · 24 Sept 2025BIOS zip14.6 MB
- LENOVO K14 GEN1 675 JK4A5 NM E141 REV 1 0 AMD 32MB BIOS telegramBIOS · NM-E141 · 12.8 MB · 24 Sept 2025BIOS zip12.8 MB
- JK4A0 NM E111 REV 1 0 TESTED OK telegram BIOS Repair 2025 09 16BIOS · NM-E111 · 44.1 MB · 23 Sept 2025BIOS zip44.1 MB
- LENOVO K14 GEN1-675 JK4A5 NM-E141 REV 1.0 AMD 32MB BIOSBIOS · NM-E141 · 10.7 MB · 19 Apr 2025BIOS rar10.7 MB
- JK4A0 NM-E111 REV 1.0 TESTED OK
Tested firmware archive for Lenovo board NM-E111, revision 1.0, project code JK4A0, designed by LCFC.
BIOS · NM-E111 · 39.6 MB · 18 Sept 2024BIOS rar39.6 MB - LENOVO JV473 & JV573 & JS478 & JS578 & JS778 NM E341 jkcn41ww BIOS
BIOS archive for Lenovo laptops with model codes JV473, JV573, JS478, JS578 and JS778, all on the NM-E341 mainboard, BIOS version JKCN41WW.
BIOS · NM-E341 · 7.82 MB · 21 Nov 2023BIOS rar7.82 MB - LENOVO JV473 & JV573 & JS478 & JS578 & JS778 NM E341 jkcn41ww BIOS
Lenovo BIOS archive for board NM-E341, shared by models JV473, JV573, JS478, JS578 and JS778, with firmware version jkcn41ww, packed in a 7.87 MB RAR.
BIOS · NM-E341 · 7.87 MB · 20 Nov 2023BIOS rar7.87 MB - LENOVO IDEAPAD 15IAU7 JS47 JS76 NM E331 REV 1 0 JKCN42WW BIOS &
BIOS package for the Lenovo IdeaPad 15IAU7, built on LCFC board NM-E331 revision 1.0, with the codes JS47 and JS76 listed alongside it.
BIOS · NM-E331 · 13.9 MB · 27 Feb 2024BIOS rar13.9 MB - 16mb.binBIOS · NM-E331 · 6.14 MB · 2 Mar 2025BIOS zip6.14 MB
- 8mb.binBIOS · NM-E331 · 2.05 MB · 2 Mar 2025BIOS zip2.05 MB
- IT8XXXEC 256KB(SMBUS)BIOS · NM-E111 · 85.5 KB · 28 Nov 2025BIOS rar85.5 KB
- Lenovo IdeaPad 1 15IAU7 JS47 JS76 NM-E331-8MB 16MB BIOSBIOS · NM-E331 · 6.91 MB · 4 Mar 2025BIOS rar6.91 MB
- WinJKCN53WW.fd extracted
RAR archive holding firmware extracted from a Lenovo-style BIOS update package, with version code JKCN53WW taken from a .fd capsule file.
BIOS · 6.69 MB · 2 Nov 2026BIOS rar—6.69 MB - ECROMBIOS · NM-B241 · 128 KB · 16 Oct 2023BIOS bin128 KB