Lenovo B71-80 NM-A491 Rev. 1.0 bios + ec.zip

TXTAbout Lenovo B71-80 NM-A491 Rev. 1.0 bios + ec BIOS / EC firmware

Lenovo B71-80 NM-A491 Rev. 1.0 bios + ec is a Lenovo B71-80 BIOS / EC firmware dump for board NM-A491 for the IT8586E SPI flash chip — EC firmware. It is packed in a ZIP archive of 4.0 MB, I5-6200U CPU. It was first posted on 15 Apr 2018 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-A491.

For the same board you can also find a schematic and a boardview — see all NM-A491 files.

MSGFrom the Telegram post

Lenovo B71-80 NM-A491 rev. 1.0 CPU: SR2EY (Intel Core i5-6200U) ITE IT8586E FXA Bios + EC

J1Download NM-A491 BIOS / EC firmware from Telegram

R1How to download Lenovo B71-80 NM-A491 Rev. 1.0 bios + ec

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 B71-80 NM-A491 Rev. 1.0 bios + ec.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-A491. 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?