LENOVO_330_15IKB_Type_81DE_EG521EG522EZ511EG721_NM_B451_REV1_0_8MB.rar

TXTAbout LENOVO 330 15IKB Type 81DE EG521EG522EZ511EG721 NM-B451 REV1 0 8MB BIOS / EC firmware

LENOVO 330 15IKB Type 81DE EG521EG522EZ511EG721 NM-B451 REV1 0 8MB is a Lenovo 15IKB / 81DE BIOS / EC firmware dump for board NM-B451 (8 MB). It is packed in a RAR archive of 5.0 MB, board revision 1. It was first posted on 22 Sept 2023 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.

MSGFrom the Telegram post

BIOS

J1Download NM-B451 BIOS / EC firmware from Telegram

R1How to download LENOVO 330 15IKB Type 81DE EG521EG522EZ511EG721 NM-B451 REV1 0 8MB

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_330_15IKB_Type_81DE_EG521EG522EZ511EG721_NM_B451_REV1_0_8MB.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?