BIOS

LENOVO_IDEAPAD_330_15IKB_EG521EG522EZ511EG721_NM_B451_REV_1_0_2017.rar

BIOS / EC firmware for Lenovo 15IKB · board NM-B451 · 4.9 MB · shared in 3 Telegram posts.

TXTAbout LENOVO IDEAPAD 330 15IKB EG521EG522EZ511EG721 NM-B451 REV 1 0 2017 BIOS / EC firmware

LENOVO IDEAPAD 330 15IKB EG521EG522EZ511EG721 NM-B451 REV 1 0 2017 is a Lenovo 15IKB BIOS / EC firmware dump for board NM-B451 — ME clean, tested. It is packed in a RAR archive of 4.9 MB, board revision 1. It was first posted on 29 Jan 2024 and is available in 3 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-B451 revision 1.

For the same board you can also find a boardview, a schematic and board packs — see all NM-B451 files.

Type
BIOS & EC
Format
.rar · RAR archive
Size
4.9 MB
Brand
Lenovo
Board number
NM-B451
Model
15IKB
Revision
1
Notes
ME clean, tested
First posted
29 Jan 2024
Last posted
11 Feb 2024
Sources
3

Tags

MSGFrom the Telegram post

LENOVO IDEAPAD 330-15IKB EG521EG522EZ511EG721 NM-B451 REV 1.0 2017-06-26 CLEAN ME BIOS & KBEC WORKING BIOS 100% TESTED OK 100%

J1Download NM-B451 BIOS / EC firmware from Telegram

R1How to download LENOVO IDEAPAD 330 15IKB EG521EG522EZ511EG721 NM-B451 REV 1 0 2017

  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_IDEAPAD_330_15IKB_EG521EG522EZ511EG721_NM_B451_REV_1_0_2017.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-B451. 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.