BIOS

LENOVO THINKAPD L490 NM-B931 ITE EC UNLOCK.rar

BIOS / EC firmware for Lenovo L490 · board NM-B931 · 390 KB · shared in 1 Telegram post.

TXTAbout LENOVO THINKAPD L490 NM-B931 ITE EC UNLOCK BIOS / EC firmware

LENOVO THINKAPD L490 NM-B931 ITE EC UNLOCK is a Lenovo L490 BIOS / EC firmware dump for board NM-B931 — EC firmware, password unlock, tested. It is packed in a RAR archive of 390 KB. It was first posted on 7 Oct 2024 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-B931.

For the same board you can also find a schematic and a boardview — see all NM-B931 files.

Type
BIOS & EC
Format
.rar · RAR archive
Size
390 KB
Brand
Lenovo
Board number
NM-B931
Model
L490
Notes
EC firmware, password unlock, tested
First posted
7 Oct 2024
Last posted
7 Oct 2024
Sources
1

Tags

MSGFrom the Telegram post

LENOVO THINKAPD L490 NM-B931 ITE EC UNLOCK OKOKOKOK TESTED OK 100%

J1Download NM-B931 BIOS / EC firmware from Telegram

R1How to download LENOVO THINKAPD L490 NM-B931 ITE EC UNLOCK

  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 THINKAPD L490 NM-B931 ITE EC UNLOCK.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-B931. 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.