BIOS

LENOVO_ThinkPad_X1_Tablet_3rd_Gen_Type_20KJ_20KK_Type_20KK_DMX3A.rar

BIOS / EC firmware for Lenovo 3rd / 20KJ / 20KK · board NM-B271 · 24.7 MB · shared in 1 Telegram post.

TXTAbout LENOVO ThinkPad X1 Tablet 3rd Gen Type 20KJ 20KK Type 20KK DMX3A BIOS / EC firmware

LENOVO ThinkPad X1 Tablet 3rd Gen Type 20KJ 20KK Type 20KK DMX3A is a Lenovo 3rd / 20KJ / 20KK BIOS / EC firmware dump for board NM-B271 — tested. It is packed in a RAR archive of 24.7 MB. It was first posted on 24 Jul 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-B271.

For the same board you can also find a boardview and a schematic — see all NM-B271 files.

Type
BIOS & EC
Format
.rar · RAR archive
Size
24.7 MB
Brand
Lenovo
Board number
NM-B271
Model
3rd, 20KJ, 20KK
Notes
tested
First posted
24 Jul 2023
Last posted
24 Jul 2023
Sources
1

Tags

MSGFrom the Telegram post

LENOVO ThinkPad X1 Tablet 3rd Gen (Type 20KJ 20KK) - Type 20KK DMX3A NM-B271 REV 2.0 TESTED OK 100%

J1Download NM-B271 BIOS / EC firmware from Telegram

R1How to download LENOVO ThinkPad X1 Tablet 3rd Gen Type 20KJ 20KK Type 20KK DMX3A

  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_X1_Tablet_3rd_Gen_Type_20KJ_20KK_Type_20KK_DMX3A.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-B271. 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.