BIOS

Lenovo ThinkPad T450 NM-A251 U49.BIN

BIOS / EC firmware for Lenovo T450 / U49 · board NM-A251 · 16.0 MB · shared in 2 Telegram posts.

TXTAbout Lenovo ThinkPad T450 NM-A251 U49 BIOS / EC firmware

Lenovo ThinkPad T450 NM-A251 U49 is a Lenovo T450 / U49 BIOS / EC firmware dump for board NM-A251. The BIN file is 16.0 MB. It was first posted on 1 Aug 2023 and is available in 2 Telegram channels.

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-A251.

For the same board you can also find a boardview, a schematic and board packs — see all NM-A251 files.

Type
BIOS & EC
Format
.bin · BIN firmware dump
Size
16.0 MB
Brand
Lenovo
Board number
NM-A251
Model
T450, U49
First posted
1 Aug 2023
Last posted
8 Oct 2023
Sources
2

Tags

J1Download NM-A251 BIOS / EC firmware from Telegram

R1How to download Lenovo ThinkPad T450 NM-A251 U49

  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 ThinkPad T450 NM-A251 U49.BIN to download it.
  3. Open it with Write it with a programmer: CH341A, RT809H, XGecu T48 and similar or Inspect it with a hex editor (HxD).

If a post was deleted, try another source above or search for NM-A251. 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.

.BINWhat is a .bin file and how to open it?

BIN firmware dump. A raw copy of a flash chip (BIOS, EC or GPU VBIOS).

Open with:

  • Write it with a programmer: CH341A, RT809H, XGecu T48 and similar
  • Inspect it with a hex editor (HxD)

Tip: The file size must match the chip: 4 MB for 25Q32, 8 MB for 25Q64, 16 MB for 25Q128, 32 MB for 25Q256.