Lenovo Legion Y520 Laptop BIOS NM-B191 BIOS BIN+SCHAMATIC+BOARDVIEW

Jan 30, 2023

Lenovo Legion Y520 Laptop BIOS
NM-B191

R720-15IKBN NM-B191 REV1.0

Schematic
NMB191R10_FAB-FT.tvw.zip
NM-B191 Y520 MB_N17P_SVT_20161125-1430.pdf
Y510_TP DB_SIT_20161125-1300_FOR GERBER.pdf
Y520_IO DB_SVT_20161125-1300_FOR GERBER.pdf
pk

About this board

This thread is for the Lenovo Legion Y520 Laptop with main board NM-B191.

The board was manufactured by LCFC for Lenovo. LCFC (Lenovo/Compal) board numbers start with NM-, so you can confirm it on the PCB silkscreen.

Files listed for this board

BIOS (full SPI chip dump, .bin)
Schematic (PDF)
Boardview (.brd / .bdv / .cad)

Usually needed when the laptop powers on with a black screen after a BIOS update, is stuck in a boot loop, or is locked with a BIOS password.

Before flashing, always read and save the original chip. It holds the serial number, UUID, MAC address and ME data for that exact machine.

Have a tested file for NM-B191? Reply below and help the next technician. Looking for something else? Search all files in the File Finder.

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Lenovo Legion Y520 Laptop BIOS NM-B191 BIOS BIN+SCHAMATIC+BOARDVIEW

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