LCFC boardLaptop mainboardUpdated 2026-06-25
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NM-B191 schematic, boardview & BIOS

LCFC board used in Lenovo Legion Y520 15IKBN, Lenovo Y520-15LKBN. DY512 Lenovo Legion Y520 15IKBN Lenovo Y520-15LKBN

Files for NM-B191 (16)

TypeFormatFile nameRev SizeAddedDownloadMirror
Schematic .pdf NM-B191 Y520_MB_N17P_SVT_20161125-1430.pdf — 1.3 MB Telegram —
Schematic .pdf lenovo-legion-y520-15ikbn-lcfc-nm-b191-rev-1-0.pdf 1 1.7 MB Telegram #1
Boardview .zip Lenovo_Legion_Y520_15IKBN_NM_B191_REV_1_0_Boardvie_Boardview_bo.zip 1.0 4.9 MB Telegram —
Boardview .rar Lenovo Legion Y520-15IKBN NM-B191 REV.1.0 Boardview.rar 1.0 1.8 MB Telegram #1
BIOS .zip NM-B191 Y520_MB_N17P_SVT_20161125-1430.zip — 1.5 MB Telegram —
BIOS .zip DY512_NM_B191_REV_1_0_2016_11_25_N17P_G1_A1_GTX_1050TI_8MB_&_1MB.zip 1.0 11 MB Telegram —
BIOS .rar Lenovo Y520-15IKBN_NM-B191 REV 1_TESTED BY FST FIX.rar 1 4.9 MB Telegram —
BIOS .rar AFS DY512 NM-B191 REV 1.0 2016-11-25 BIOS & EC U115 UC3.rar 1.0 5.1 MB Telegram —
BIOS .rar AFS Lenovo Y520-15IKBN Model 80WK DY512 NM-B191 Rev.1.0.rar 1.0 5.2 MB Telegram #1
BIOS .rar AFS lenovo Y520-15lKBN DY512 nm-b191 rev 1.0.rar 1.0 5.0 MB Telegram #1
BIOS .rar AFS lenovo-legion-y520-15ikbn-lcfc-nm-b191-rev-1-0 bios.rar 1 5.1 MB Telegram #1
BIOS .rar AFS_Lenovo_Legion_Y520_15IKBN_Model_80WK_DY512_NM_B191_Rev_1_0_UC3.rar 1.0 4.9 MB Telegram —
BIOS .rar AFS_Lenovo_Legion_Y520_15IKBN_Model_80WK_DY512_NM_B191_Rev_1_0.rar 1.0 5.2 MB Telegram —
BIOS .rar AFS_Lenovo_Legion_Y520_15IKBN_Model_80WK_DY512_NM_B191_Rev_1_0.rar 1.0 5.1 MB Telegram —
BIOS .rar lenovo Y520-15lKBN DY512 nm-b191 rev 1.0.rar 1.0 5.0 MB Telegram —
BIOS .rar lenovo-legion-y520-15ikbn-lcfc-nm-b191-rev-1-0 bios.rar 1 5.1 MB Telegram —

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Models using this board

Model names are taken from the file names as published; always confirm the board number printed on your PCB.