Lenovo ThinkPad X1 Wistron LPM-1 MB - 17870-1.rar

TXTAbout Lenovo ThinkPad X1 Wistron LPM-1 MB - 17870-1 BIOS / EC firmware

Lenovo ThinkPad X1 Wistron LPM-1 MB - 17870-1 is a Lenovo LPM-1 BIOS / EC firmware dump for board 17870-1 (1 MB). It is packed in a RAR archive of 13.5 MB. It was first posted on 27 Apr 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 17870-1.

For the same board you can also find a schematic — see all 17870-1 files.

MSGFrom the Telegram post

P1 (Type 20MD, 20ME) Laptop (ThinkPad) LPM-1 MB 17870-1 BIOS 32MB P1 (Type 20MD, 20ME)(n2euj22w) - Type 20ME 16MB Schematics 17870-1

J1Download 17870-1 BIOS / EC firmware from Telegram

R1How to download Lenovo ThinkPad X1 Wistron LPM-1 MB - 17870-1

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 ThinkPad X1 Wistron LPM-1 MB - 17870-1.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 17870-1. 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?