BIOS

Lenovo_Yoga_900_13ISK2_2UCN10WW_LISZT_CYG41CYG40BYG40_NM_A921_Main.rar

BIOS / EC firmware for Lenovo 13ISK2 / 2UCN10WW · board NM-A921 · 4.8 MB · shared in 1 Telegram post.

TXTAbout Lenovo Yoga 900 13ISK2 2UCN10WW LISZT CYG41CYG40BYG40 NM-A921 Main BIOS / EC firmware

Lenovo Yoga 900 13ISK2 2UCN10WW LISZT CYG41CYG40BYG40 NM-A921 Main is a Lenovo 13ISK2 / 2UCN10WW BIOS / EC firmware dump for board NM-A921. It is packed in a RAR archive of 4.8 MB. It was first posted on 3 Mar 2021 and is available in 1 Telegram channel.

Write it with an SPI programmer such as CH341A, RT809H or XGecu T48 to revive a board after a failed BIOS update, fix a corrupted Intel ME region or remove a forgotten BIOS password. Read and save the original chip first, and check that your board is NM-A921.

Type
BIOS & EC
Format
.rar · RAR archive
Size
4.8 MB
Brand
Lenovo
Board number
NM-A921
Model
13ISK2, 2UCN10WW
First posted
3 Mar 2021
Last posted
3 Mar 2021
Sources
1

Tags

J1Download NM-A921 BIOS / EC firmware from Telegram

R1How to download Lenovo Yoga 900 13ISK2 2UCN10WW LISZT CYG41CYG40BYG40 NM-A921 Main

  1. Press Download in Telegram. The post opens in the Telegram app, or on a t.me preview page — choose “View in Telegram”.
  2. You don’t need to join the channel. Tap the file Lenovo_Yoga_900_13ISK2_2UCN10WW_LISZT_CYG41CYG40BYG40_NM_A921_Main.rar to download it.
  3. Open it with 7-Zip (free) or WinRAR.

If a post was deleted, try another source above or search for NM-A921. Step-by-step help: downloading from Telegram.

Back up the original chip twice before writing this dump, and check that the board number and chip size match. See how to flash a BIOS chip.

.RARWhat is a .rar file and how to open it?

RAR archive. A compressed folder. It can hold a schematic, a boardview, a BIOS dump or all three.

Open with:

  • 7-Zip (free)
  • WinRAR

Tip: If the archive asks for a password, look for it in the Telegram post text.