BIOS

THINKPAD_W541_LKM_1_WS_MB_12291_2_48_4L013_021_CPU—i7_4710M_SR17C.rar

BIOS / EC firmware for Lenovo W541 / 4L013 / CPU—i7 · board 12291-2 · 5.9 MB · shared in 2 Telegram posts.

TXTAbout THINKPAD W541 LKM 1 WS MB 12291-2 48 4L013 021 CPU—i7 4710M SR17C BIOS / EC firmware

THINKPAD W541 LKM 1 WS MB 12291-2 48 4L013 021 CPU—i7 4710M SR17C is a Lenovo W541 / 4L013 / CPU—i7 BIOS / EC firmware dump for board 12291-2 — tested. It is packed in a RAR archive of 5.9 MB, I7 4710M CPU, N15P-Q1 graphics. It was first posted on 8 Aug 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 12291-2.

For the same board you can also find a boardview — see all 12291-2 files.

Type
BIOS & EC
Format
.rar · RAR archive
Size
5.9 MB
Brand
Lenovo
Board number
12291-2
Model
W541, 4L013, CPU—i7
CPU
I7 4710M
Graphics
N15P-Q1
Notes
tested
First posted
8 Aug 2023
Last posted
4 Nov 2024
Sources
2

Tags

MSGFrom the Telegram post

THINKPAD W541 LKM-1 WS MB 12291-2 48.4L013.021 CPU—i7 4710M SR17C G31428 N15P-Q1-A2 TESTED OK 100%

J1Download 12291-2 BIOS / EC firmware from Telegram

R1How to download THINKPAD W541 LKM 1 WS MB 12291-2 48 4L013 021 CPU—i7 4710M SR17C

  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 THINKPAD_W541_LKM_1_WS_MB_12291_2_48_4L013_021_CPU—i7_4710M_SR17C.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 12291-2. 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.