LENOVO_X1_YOGA_GEN_5_NM_C881_V_1_OK_TESTED_EEPROM_EC_MEC1663_0x02202445.rar

TXTAbout LENOVO X1 YOGA GEN 5 NM-C881 V 1 OK TESTED EEPROM EC MEC1663 0x02202445 BIOS / EC firmware

LENOVO X1 YOGA GEN 5 NM-C881 V 1 OK TESTED EEPROM EC MEC1663 0x02202445 is a Lenovo 0x02202445 BIOS / EC firmware dump for board NM-C881 for the MEC1663 SPI flash chip — EC firmware, tested. It is packed in a RAR archive of 46.1 KB. It was first posted on 19 May 2024 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-C881.

For the same board you can also find a schematic — see all NM-C881 files.

MSGFrom the Telegram post

LENOVO X1 YOGA GEN 5 NM-C881 V 1 OK TESTED EEPROM EC MEC1663 0x02202445 2KB CRC32 0x4DA335C8 MEC Patched TESTED OK 100%

J1Download NM-C881 BIOS / EC firmware from Telegram

R1How to download LENOVO X1 YOGA GEN 5 NM-C881 V 1 OK TESTED EEPROM EC MEC1663 0x02202445

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_X1_YOGA_GEN_5_NM_C881_V_1_OK_TESTED_EEPROM_EC_MEC1663_0x02202445.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-C881. 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?