LENOVO Z50-75 IT8586E EC BIOS ACLU7-ACLU8 NM-A291 ORIGINAL.BIN

TXTAbout LENOVO Z50-75 IT8586E EC BIOS ACLU7-ACLU8 NM-A291 ORIGINAL BIOS / EC firmware

LENOVO Z50-75 IT8586E EC BIOS ACLU7-ACLU8 NM-A291 ORIGINAL is a Lenovo Z50-75 / ACLU7-ACLU8 BIOS / EC firmware dump for board NM-A291 for the IT8586E SPI flash chip — EC firmware. The BIN file is 128 KB. It was first posted on 15 Sept 2021 and is available in 4 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-A291.

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

MSGFrom the Telegram post

I have this ...

J1Download NM-A291 BIOS / EC firmware from Telegram

R1How to download LENOVO Z50-75 IT8586E EC BIOS ACLU7-ACLU8 NM-A291 ORIGINAL

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 Z50-75 IT8586E EC BIOS ACLU7-ACLU8 NM-A291 ORIGINAL.BIN to download it.
3. Open it with Write it with a programmer: CH341A, RT809H, XGecu T48 and similar or Inspect it with a hex editor (HxD).

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.

.BINWhat is a .bin file and how to open it?