THINKPAD_E14_GE420_GE520_NM_C771_REV_1_0_WORKING_BIOS_100%_GE520.rar

TXTAbout THINKPAD E14 GE420 GE520 NM-C771 REV 1 0 WORKING BIOS 100% GE520 BIOS / EC firmware

THINKPAD E14 GE420 GE520 NM-C771 REV 1 0 WORKING BIOS 100% GE520 is a Lenovo E14 / GE420 / GE520 BIOS / EC firmware dump for board NM-C771 — tested. It is packed in a RAR archive of 8.7 MB, board revision 1. It was first posted on 17 Oct 2022 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-C771 revision 1.

For the same board you can also find a schematic and a boardview — see all NM-C771 files.

MSGFrom the Telegram post

THINKPAD E14 GE420 GE520 NM-C771 REV 1.0 WORKING BIOS 100% GE520 TESTED OK 100%

J1Download NM-C771 BIOS / EC firmware from Telegram

R1How to download THINKPAD E14 GE420 GE520 NM-C771 REV 1 0 WORKING BIOS 100% GE520

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_E14_GE420_GE520_NM_C771_REV_1_0_WORKING_BIOS_100%_GE520.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-C771. 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?