Lenovo_A475_Type_20KL,_20KM_Laptop_ThinkPad_NM_B351_Bios_+_EC_2.rar

TXTAbout Lenovo A475 Type 20KL, 20KM Laptop ThinkPad NM-B351 Bios + EC 2 BIOS / EC firmware

Lenovo A475 Type 20KL, 20KM Laptop ThinkPad NM-B351 Bios + EC 2 is a Lenovo A475 / 20KL / 20KM BIOS / EC firmware dump for board NM-B351 — EC firmware. It is packed in a RAR archive of 4.9 MB. It was first posted on 24 Oct 2020 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-B351.

For the same board you can also find a schematic — see all NM-B351 files.

J1Download NM-B351 BIOS / EC firmware from Telegram

R1How to download Lenovo A475 Type 20KL, 20KM Laptop ThinkPad NM-B351 Bios + EC 2

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_A475_Type_20KL,_20KM_Laptop_ThinkPad_NM_B351_Bios_+_EC_2.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-B351. 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?