LCFC boardLaptop mainboardUpdated 2025-12-09
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NM-B451 schematic, boardview & BIOS

LCFC board used in Lenovo IdeaPad 320 15IKB, Lenovo IdeaPad 330-15IKB, Lenovo EG521EG522EZ511EG721, Lenovo Yoga 330. EG522 EG521 DG721 DG521 DG421 EG721 Lenovo IdeaPad 320 15IKB Lenovo IdeaPad 330-15IKB Lenovo EG521EG522EZ511EG721 Lenovo Yoga 330

Files for NM-B451 (17)

TypeFormatFile nameRev SizeAddedDownloadMirror
Schematic .pdf LCFC_EG521_EG522_NM-B451 Rev 0.2 UMA PDF.pdf 0.2 2.9 MB Telegram #1
Schematic .pdf ideapad_320_15IKB_DG421_DG521_DG721_NM_B242_NM_B241_NM_B451_Rev.pdf — 22 MB Telegram —
Schematic .pdf LCFC_EG521_EG522_NM-B451 Rev 0.2 UMA.pdf 0.2 2.9 MB Telegram —
Schematic .pdf LENOVO EG521 EG522 EZ511 EG721 NM-B451 R1.0.pdf 1.0 2.9 MB Telegram —
Schematic .pdf Lenovo IdeaPad 320-15IKB LCFC NM-B451 UMA Schematic.pdf — 2.7 MB Telegram —
Schematic .rar Lenovo IdeaPad 320-15IKB LCFC NM-B451 UMA Schematic.rar — 3.9 MB Telegram —
Boardview .rar EG521EG522EZ511EG721 NM-B451 REV 02 UMA BOARDVIEW(BDV)(.TVW).rar 0.2 979 KB Telegram #1 #2 #3
Boardview .tvw Lenovo Ideapad 330-15IKB LCFC NM-B451 Rev0.2.tvw 0.2 5.3 MB Telegram —
Boardview .tvw NM-B451 R02_UMA .tvw.zip 0.2 1.9 MB Telegram —
Boardview .tvw NM-B451 R02_UMA .tvw 0.2 5.3 MB Telegram —
Boardview .rar LENOVO IDEAPAD 330-15IKB LCFC NM-B451 REV 0.2 (BOARDVIEW).rar 0.2 1.0 MB Telegram —
Boardview .rar LENOVO IDEAPAD 330-15IKB LCFC NM-B451 REV 0.2 (BOARDVIEW).rar 0.2 979 KB Telegram —
BIOS .rar EG521EG522EZ511EG721_NM_B451_REV_1_0_2017_06_26_WORKING_BIOS_100%.rar 1.0 6.1 MB Telegram —
BIOS .rar LENOVO_EG521EG522EZ511EG721_NM_B451_REV_1_0_2017_06_26_8MB_BIOS.rar 1.0 5.0 MB Telegram #1
BIOS .rar EG521EG522EZ511EG721_NM_B451_REV_1_0_2017_06_26_WORKING_BIOS_100%.rar 1.0 6.0 MB Telegram —
BIOS .bin LENOVO_330_15IKB_Type_81DE_EG521EG522EZ511EG721_NM_B451_REV1_0_8MB.BIN 1.0 8.0 MB Telegram —
BIOS .bin 8mb-2.bin — 8.0 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.

How to open these boardview files

FormatOpens with
.tvw Tebo-ICT View, BoardViewer (Borneo), FlexBV