BIOS

LENOVO_THINKPAD_E475_CE475_NM_A861_REV_2_0_2017_07_21_WORKING_BIOS.rar

BIOS / EC firmware for Lenovo E475 / CE475 · board NM-A861 · 5.2 MB · shared in 1 Telegram post.

TXTAbout LENOVO THINKPAD E475 CE475 NM-A861 REV 2 0 2017 07 21 WORKING BIOS BIOS / EC firmware

LENOVO THINKPAD E475 CE475 NM-A861 REV 2 0 2017 07 21 WORKING BIOS is a Lenovo E475 / CE475 BIOS / EC firmware dump for board NM-A861 — tested. It is packed in a RAR archive of 5.2 MB, board revision 2. It was first posted on 13 Mar 2023 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-A861 revision 2.

For the same board you can also find a schematic — see all NM-A861 files.

Type
BIOS & EC
Format
.rar · RAR archive
Size
5.2 MB
Brand
Lenovo
Board number
NM-A861
Model
E475, CE475
Revision
2
Notes
tested
First posted
13 Mar 2023
Last posted
13 Mar 2023
Sources
1

Tags

MSGFrom the Telegram post

LENOVO THINKPAD E475 CE475 NM-A861 REV 2.0 2017-07-21 WORKING BIOS 100% TESTED OK 100%

J1Download NM-A861 BIOS / EC firmware from Telegram

R1How to download LENOVO THINKPAD E475 CE475 NM-A861 REV 2 0 2017 07 21 WORKING BIOS

  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_E475_CE475_NM_A861_REV_2_0_2017_07_21_WORKING_BIOS.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-A861. 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.