THINKPAD_L470_DL470_NM_B021_Rev_2_0_2017_06_02_BIOS_&_IO_KBC_.zip

TXTAbout THINKPAD L470 DL470 NM-B021 Rev 2 0 2017 06 02 BIOS & IO KBC BIOS / EC firmware

THINKPAD L470 DL470 NM-B021 Rev 2 0 2017 06 02 BIOS & IO KBC is a Lenovo L470 / DL470 BIOS / EC firmware dump for board NM-B021 — EC firmware. It is packed in a ZIP archive of 5.4 MB, board revision 2. It was first posted on 13 Nov 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-B021 revision 2.

For the same board you can also find a boardview, a schematic and board packs — see all NM-B021 files.

J1Download NM-B021 BIOS / EC firmware from Telegram

R1How to download THINKPAD L470 DL470 NM-B021 Rev 2 0 2017 06 02 BIOS & IO KBC

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 THINKPAD_L470_DL470_NM_B021_Rev_2_0_2017_06_02_BIOS_&_IO_KBC_.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-B021. 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?