P52 (Type 20M9, 20MA) NM-B561 REV 1.0 ThinkPad EC.bin

TXTAbout P52 (Type 20M9, 20MA) NM-B561 REV 1.0 ThinkPad EC BIOS / EC firmware

P52 (Type 20M9, 20MA) NM-B561 REV 1.0 ThinkPad EC is a Lenovo P52 / 20M9 / 20MA BIOS / EC firmware dump for board NM-B561 — EC firmware. The BIN file is 256 KB, board revision 1.0. It was first posted on 22 Sept 2023 and is available in 3 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-B561 revision 1.0.

For the same board you can also find a schematic and a boardview — see all NM-B561 files.

J1Download NM-B561 BIOS / EC firmware from Telegram

R1How to download P52 (Type 20M9, 20MA) NM-B561 REV 1.0 ThinkPad 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 P52 (Type 20M9, 20MA) NM-B561 REV 1.0 ThinkPad EC.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-B561. 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?