NM-C781 EC / KBC Firmware

Part of NM-C781

NM-C781: 3 EC firmwares found in the source channels. The board is used in the Lenovo Yoga GS452, Lenovo IdeaPad 15SIML2020, Lenovo IdeaPad GS452 and Lenovo Yoga S740. Board revisions: 1.0.

EC files 3

FileSizeRevAddedSource
GS452 GS552 GS752 NM C781 REV 1 0 2019 11 25 WORKING BIOS & KBEC
BIOSECTested
7.5 MB
1.0
Get on Telegram BIOS Archive
GS452 GS552 GS752 NM C781 REV 1 0 2019 11 25 BIOS & KBEC WORKING
BIOSECTested
12.6 MB
1.0
Get on Telegram BIOS Archive
READ NM-C781 REV 1.0 IT8586E KBC
BIOSEC
91 KB
1.0
Get on Telegram BIOS Archive

Laptops that use NM-C781

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
.rarRAR archive7-Zip or WinRAR