ideapad EG521 EG522 EZ511 EG721 NM-B452 REV 1.0 CLEAR ME.zip

TXTAbout ideapad EG521 EG522 EZ511 EG721 NM-B452 REV 1.0 CLEAR ME BIOS / EC firmware

ideapad EG521 EG522 EZ511 EG721 NM-B452 REV 1.0 CLEAR ME is a Lenovo EG521 / EG522 / EZ511 BIOS / EC firmware dump for board NM-B452 — tested. It is packed in a ZIP archive of 5.1 MB, board revision 1.0. It was first posted on 25 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 revision 1.0.

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

MSGFrom the Telegram post

520-15IKB EG521 EG522 EZ511 EG721 NM-B452 REV 1.0 2017.07.03 TESTED OK

J1Download NM-B452 BIOS / EC firmware from Telegram

R1How to download ideapad EG521 EG522 EZ511 EG721 NM-B452 REV 1.0 CLEAR ME

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 ideapad EG521 EG522 EZ511 EG721 NM-B452 REV 1.0 CLEAR ME.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?