LENOVO_X390_UNLOCK_NM_B891_MAIN_+EC_+EPROM_OK_TESTED_LAN_OK_2.rar

TXTAbout LENOVO X390 UNLOCK NM-B891 MAIN +EC +EPROM OK TESTED LAN OK 2 BIOS / EC firmware

LENOVO X390 UNLOCK NM-B891 MAIN +EC +EPROM OK TESTED LAN OK 2 is a Lenovo X390 BIOS / EC firmware dump for board NM-B891 — EC firmware, password unlock, tested. It is packed in a RAR archive of 11.0 MB. It was first posted on 5 Jul 2024 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 NM-B891.

For the same board you can also find a boardview and a schematic — see all NM-B891 files.

J1Download NM-B891 BIOS / EC firmware from Telegram

R1How to download LENOVO X390 UNLOCK NM-B891 MAIN +EC +EPROM OK TESTED LAN OK 2

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_X390_UNLOCK_NM_B891_MAIN_+EC_+EPROM_OK_TESTED_LAN_OK_2.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-B891. 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?