Motherboard · Lenovo

NM-B391 — schematic, boardview, BIOS & files

16 files for the Lenovo board NM-B391. Check the revision (REV) printed next to the number on your board before using a BIOS dump.

SCHSchematics 2 BVBoardviews 2 BIOSBIOS & EC 11 PACKBoard packs & other 1 Search “NM-B391” in all files →

SCHNM-B391 schematics

SCH Lenovo Legion Y520-15IKBN DY512 NM-B191 NM-B391 Schematic.rar
1.5 MB .rar Lenovo NM-B191NM-B391 18 Jul 2026 4 sources
SCH NM-B191 Y520_MB_N17P_SVT_20161125-1430.zip
1.5 MB .zip Lenovo NM-B191NM-B391 25 Jun 2026

BVNM-B391 boardviews

BV NM-B391 R10 (BDV)(.TVW).rar
2.2 MB .rar Compal NM-B391 22 Jul 2026 2 sources
BV NM-B391 R10.zip
7.1 MB .zip Compal NM-B391 12 Sept 2025 3 sources

BIOSNM-B391 bios & ec

BIOS LENOVO Legion Y520-15IKBN NM-B391 PHOTO.rar
10.0 MB .rar Lenovo NM-B391 1 Oct 2025
BIOS AFS Lenovo Legion Y520-15IKBN NM-B391 Rev.v1 BIOS+ EC bios.rar
5.0 MB .rar Lenovo NM-B391 1 Feb 2024
BIOS AFS Lenovo Legion Y520-15IKBN DY520 NM-B391 Rev.1.rar
5.0 MB .rar Lenovo NM-B391 1 Feb 2024
BIOS AFS_Lenovo_Y520_15IKBM_NM_B391_REV_1_NVIDIA_N17E_G1_A1_SR30W_SR32Q.rar
5.1 MB .rar Lenovo NM-B391 1 Feb 2024
BIOS LENOVO_R720_15IKBM_DY520_NM_B391_REV_1_0_2017_04_14_i7_7700_1060.rar
6.7 MB .rar Lenovo NM-B391 26 Apr 2023
BIOS LENOVO_R720_15IKBM_DY520_NM_B391_REV_1_0_2017_04_14_WORKING_BIOS.rar
8.5 MB .rar Lenovo NM-B391 26 Apr 2023
BIOS Lenovo Legion Y520-15IKBN NM-B391 Rev.v1 BIOS+ EC bios.rar
5.0 MB .rar Lenovo NM-B391 24 Apr 2022 2 sources
BIOS R720 DY520 NM-B391 REV 1.0 BIOS AND KBC.rar
5.0 MB .rar Compal NM-B391 3 Aug 2021
BIOS Lenovo Legion Y520-15IKBN NM-B391 Rev.v1 BIOS+ EC bios.rar
5.1 MB .rar Lenovo NM-B391 3 Aug 2021
BIOS Lenovo_Y520_15IKBM_NM_B391_REV_1_NVIDIA_N17E_G1_A1_SR30W_SR32Q.rar
5.1 MB .rar Lenovo NM-B391 3 Aug 2021
BIOS Lenovo Legion Y520-15IKBN DY520 NM-B391 Rev.1.rar
5.0 MB .rar Lenovo NM-B391 7 Nov 2020

PACKNM-B391 board packs & other

PACK Lenovo_Y520_15IKBM_NM_B391_REV_1_NVIDIA_N17E_G1_A1_SR30W_SR32Q.rar
5.1 MB .rar Lenovo NM-B391 24 Apr 2022 2 sources