NM-A291 EC / KBC Firmware

Part of NM-A291

This page collects 3 EC firmwares for NM-A291. The board is used in the Lenovo G50-75M and Lenovo Z50-75. Board revisions: 1.0.

EC files 3

FileSizeRevAddedSource
LENOVO G50-75M ACLU7-ACLU8 NM-A291 Rev1.0 BIOS & EC
BIOSEC.bin
2.3 MB
1.0
Get on Telegram BIOS Archive
Bios EC Lenovo Z50-75 ACLU7(8) NM-A291
BIOSEC8 MB
2.1 MB
—
Get on Telegram BIOS Archive
lenovo z50-75 nm-a291 bios & ec
BIOSEC
2.2 MB
—
Get on Telegram BIOS Archive

From the uploader

Lenovo IdeaPad Z50-75
ACLU7 , ACLU8 NM-A291
Rev: 1.0
CPU - AM7100ECH44JA
FCH - AMD 218-0844012
GPU - AMD 216-0856040
KBC - ITE 8586E-FXA
BIOS - Winbond W25Q64
LENOVO G50-75M ACLU7-ACLU8 NM-A291 Rev1.0 BIOS & EC .bin

Laptops that use NM-A291

  • Lenovo G50-75M
  • Lenovo Z50-75

What these files are for

EC (embedded controller) firmware runs the keyboard controller, power sequencing, battery charging and fans. Depending on the board it lives in a separate chip (ENE KB9012, ITE IT85xx, Nuvoton NPCE) or inside the main SPI image, so check which applies before flashing.

Tools to open these files

FormatWhat it isOpen with
.binraw SPI flash imagea CH341A, XGecu T48 / TL866II Plus or RT809H programmer
.rarRAR archive7-Zip or WinRAR
.zipZIP archive7-Zip, WinRAR or the built-in Windows extractor