LENOVO_IdeaPad_Miix_700_Convertible_Tablet_CMX40_NM_A641_8MB_BIOS.rar

TXTAbout LENOVO IdeaPad Miix 700 Convertible Tablet CMX40 NM-A641 8MB BIOS BIOS / EC firmware

LENOVO IdeaPad Miix 700 Convertible Tablet CMX40 NM-A641 8MB BIOS is a Lenovo CMX40 BIOS / EC firmware dump for board NM-A641 (8 MB) — tested. It is packed in a RAR archive of 9.9 MB. It was first posted on 6 Dec 2025 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-A641.

For the same board you can also find a schematic and board packs — see all NM-A641 files.

MSGFrom the Telegram post

LENOVO IdeaPad Miix 700 Convertible Tablet CMX40 NM-A641 8MB BIOS TESTED OK 100%

J1Download NM-A641 BIOS / EC firmware from Telegram

R1How to download LENOVO IdeaPad Miix 700 Convertible Tablet CMX40 NM-A641 8MB BIOS

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_IdeaPad_Miix_700_Convertible_Tablet_CMX40_NM_A641_8MB_BIOS.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-A641. 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?