BIOS

Lenovo B490 LB49A MB 12208-1 48.4WZ01.011 ec.bin

BIOS / EC firmware for Lenovo B490 / LB49A / 48.4WZ01.011 · board 12208-1 · 4.0 MB · shared in 2 Telegram posts.

TXTAbout Lenovo B490 LB49A MB 12208-1 48.4WZ01.011 ec BIOS / EC firmware

Lenovo B490 LB49A MB 12208-1 48.4WZ01.011 ec is a Lenovo B490 / LB49A / 48.4WZ01.011 BIOS / EC firmware dump for board 12208-1 — EC firmware. The BIN file is 4.0 MB. It was first posted on 26 Sept 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 12208-1.

For the same board you can also find a schematic — see all 12208-1 files.

Type
BIOS & EC
Format
.bin · BIN firmware dump
Size
4.0 MB
Brand
Lenovo
Board number
12208-1
Model
B490, LB49A, 48.4WZ01.011
Notes
EC firmware
First posted
26 Sept 2023
Last posted
3 Oct 2023
Sources
2

Tags

J1Download 12208-1 BIOS / EC firmware from Telegram

R1How to download Lenovo B490 LB49A MB 12208-1 48.4WZ01.011 ec

  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 B490 LB49A MB 12208-1 48.4WZ01.011 ec.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 12208-1. 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.