Bios_EC_Lenovo_Z50-75 ACLU7(8)_NM-A291.rar

TXTAbout Bios EC Lenovo Z50-75 ACLU7(8) NM-A291 BIOS / EC firmware

Bios EC Lenovo Z50-75 ACLU7(8) NM-A291 is a Lenovo Z50-75 / ACLU7 BIOS / EC firmware dump for board NM-A291 for the W25Q64 SPI flash chip — EC firmware. It is packed in a RAR archive of 2.1 MB. It was first posted on 19 Aug 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-A291.

For the same board you can also find a schematic — see all NM-A291 files.

MSGFrom the Telegram post

Lenovo IdeaPad Z50-75 ACLU7 , ACLU8 NM-A291 Rev: 1.0 CPU - AM7100ECH44JA FCH - AMD 218-0844012 GPU - AMD 216-0856040 KBC - ITE 8586E-FXA BIOS - Winbond W25Q64

J1Download NM-A291 BIOS / EC firmware from Telegram

R1How to download Bios EC Lenovo Z50-75 ACLU7(8) NM-A291

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 Bios_EC_Lenovo_Z50-75 ACLU7(8)_NM-A291.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-A291. 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?