BIOS - Lenovo 320S-15AST 320S-15ABR LCFC NM-B381 Rev;0.1

Feb 9, 2025

Lenovo 320S-15AST 320S-15ABR LCFC NM-B381 Rev;0.1
biosbin.zip

About this board

This thread is for the Lenovo 320S-15AST 320S-15ABR with main board NM-B381.

Lenovo had this board built by LCFC; LCFC (Lenovo/Compal) board numbers start with NM-. Check the number printed on the PCB before you download. Board revision: 0.1. Match the revision as well as the board number.

Files usually needed for this board

BIOS (full SPI chip dump, .bin)
EC / KBC firmware, if the board uses a separate EC chip
Schematic (PDF)
Boardview (.brd / .bdv / .cad)

Common cases: dead board after an interrupted BIOS update, ME region errors, missing serial number or UUID after a board swap, or a password lock.

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-B381? Reply below and help the next technician. Looking for something else? Search all files in the File Finder.

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BIOS Lenovo 320S-15AST 320S-15ABR LCFC NM-B381 Rev;0.1

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