Lenovo Legion 5-15IMH05_GY552-553-557-558 NM-C921_4MATIC .rar
BIOS / EC firmware for Lenovo 5-15IMH05 / 4MATIC · board NM-C921 · 6.0 MB · shared in 1 Telegram post.
TXTAbout Lenovo Legion 5-15IMH05 GY552-553-557-558 NM-C921 4MATIC BIOS / EC firmware
Lenovo Legion 5-15IMH05 GY552-553-557-558 NM-C921 4MATIC is a Lenovo 5-15IMH05 / 4MATIC BIOS / EC firmware dump for board NM-C921. It is packed in a RAR archive of 6.0 MB. It was first posted on 24 Jun 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-C921.
For the same board you can also find a boardview and a schematic — see all NM-C921 files.
- Type
- BIOS & EC
- Format
- .rar · RAR archive
- Size
- 6.0 MB
- Brand
- Lenovo
- Board number
- NM-C921
- Model
- 5-15IMH05, 4MATIC
- First posted
- 24 Jun 2022
- Last posted
- 24 Jun 2022
- Sources
- 1
Tags
J1Download NM-C921 BIOS / EC firmware from Telegram
- Bios & Schematics @laptopbios · 24 Jun 2022Open post
R1How to download Lenovo Legion 5-15IMH05 GY552-553-557-558 NM-C921 4MATIC
- Press Download in Telegram. The post opens in the Telegram app, or on a t.me preview page — choose “View in Telegram”.
- You don’t need to join the channel. Tap the file Lenovo Legion 5-15IMH05_GY552-553-557-558 NM-C921_4MATIC .rar to download it.
- Open it with 7-Zip (free) or WinRAR.
If a post was deleted, try another source above or search for NM-C921. 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?
RAR archive. A compressed folder. It can hold a schematic, a boardview, a BIOS dump or all three.
Open with:
- 7-Zip (free)
- WinRAR
Tip: If the archive asks for a password, look for it in the Telegram post text.