AFS Lenovo Thinkpad E480 E580 LCFC NM-B421 Rev1.0vvv.rar
BIOS / EC firmware for Lenovo E480 / E580 · board NM-B421 · 4.7 MB · shared in 1 Telegram post.
TXTAbout AFS Lenovo Thinkpad E480 E580 LCFC NM-B421 Rev1.0vvv BIOS / EC firmware
AFS Lenovo Thinkpad E480 E580 LCFC NM-B421 Rev1.0vvv is a Lenovo E480 / E580 BIOS / EC firmware dump for board NM-B421. It is packed in a RAR archive of 4.7 MB, board revision 1. It was first posted on 1 Feb 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-B421 revision 1.
For the same board you can also find a boardview and a schematic — see all NM-B421 files.
- Type
- BIOS & EC
- Format
- .rar · RAR archive
- Size
- 4.7 MB
- Brand
- Lenovo
- Board number
- NM-B421
- Model
- E480, E580
- Revision
- 1
- First posted
- 1 Feb 2024
- Last posted
- 1 Feb 2024
- Sources
- 1
Tags
J1Download NM-B421 BIOS / EC firmware from Telegram
- AFS BIOS @afsbiosfree · 1 Feb 2024Open post
R1How to download AFS Lenovo Thinkpad E480 E580 LCFC NM-B421 Rev1.0vvv
- 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 AFS Lenovo Thinkpad E480 E580 LCFC NM-B421 Rev1.0vvv.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-B421. 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.