320_15IKB_Type_80XL,_80YE_ideapad_EG521_EG522_EZ511_EG721_NM_B452.zip

TXTAbout 320 15IKB Type 80XL, 80YE ideapad EG521 EG522 EZ511 EG721 NM-B452 BIOS / EC firmware

320 15IKB Type 80XL, 80YE ideapad EG521 EG522 EZ511 EG721 NM-B452 is a Lenovo 15IKB / 80XL / 80YE BIOS / EC firmware dump for board NM-B452. It is packed in a ZIP archive of 5.1 MB. It was first posted on 10 Apr 2021 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-B452.

For the same board you can also find a boardview, a schematic and board packs — see all NM-B452 files.

J1Download NM-B452 BIOS / EC firmware from Telegram

R1How to download 320 15IKB Type 80XL, 80YE ideapad EG521 EG522 EZ511 EG721 NM-B452

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 320_15IKB_Type_80XL,_80YE_ideapad_EG521_EG522_EZ511_EG721_NM_B452.zip to download it.
3. Open it with Built into Windows and macOS or 7-Zip (free).

If a post was deleted, try another source above or search for NM-B452. 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.

.ZIPWhat is a .zip file and how to open it?