BIOS

Lenovo_Thinkpad_X13_T14s_Gen_1_LCFC_GT4A3_GX3A2_NM_C891_Rev_1_0.rar

BIOS / EC firmware for Lenovo X13 / T14s / GT4A3 · board NM-C891 · 1.5 MB · shared in 1 Telegram post.

TXTAbout Lenovo Thinkpad X13 T14s Gen 1 LCFC GT4A3 GX3A2 NM-C891 Rev 1 0 BIOS / EC firmware

Lenovo Thinkpad X13 T14s Gen 1 LCFC GT4A3 GX3A2 NM-C891 Rev 1 0 is a Lenovo X13 / T14s / GT4A3 BIOS / EC firmware dump for board NM-C891. It is packed in a RAR archive of 1.5 MB, board revision 1. It was first posted on 15 Dec 2024 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-C891 revision 1.

For the same board you can also find a boardview and a schematic — see all NM-C891 files.

Type
BIOS & EC
Format
.rar · RAR archive
Size
1.5 MB
Brand
Lenovo
Board number
NM-C891
Model
X13, T14s, GT4A3
Revision
1
First posted
15 Dec 2024
Last posted
15 Dec 2024
Sources
1

Tags

J1Download NM-C891 BIOS / EC firmware from Telegram

R1How to download Lenovo Thinkpad X13 T14s Gen 1 LCFC GT4A3 GX3A2 NM-C891 Rev 1 0

  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_X13_T14s_Gen_1_LCFC_GT4A3_GX3A2_NM_C891_Rev_1_0.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-C891. 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.