Lenovo Ideapad 330-15IGM EG431 EG5N2 NM-B661 BIOS.rar
BIOS / EC firmware for Lenovo 330-15IGM / EG431 / EG5N2 · board NM-B661 · 3.7 MB · shared in 4 Telegram posts.
TXTAbout Lenovo Ideapad 330-15IGM EG431 EG5N2 NM-B661 BIOS BIOS / EC firmware
Lenovo Ideapad 330-15IGM EG431 EG5N2 NM-B661 BIOS is a Lenovo 330-15IGM / EG431 / EG5N2 BIOS / EC firmware dump for board NM-B661. It is packed in a RAR archive of 3.7 MB. It was first posted on 12 May 2020 and is available in 4 Telegram channels.
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-B661.
For the same board you can also find a schematic and a boardview — see all NM-B661 files.
- Type
- BIOS & EC
- Format
- .rar · RAR archive
- Size
- 3.7 MB
- Brand
- Lenovo
- Board number
- NM-B661
- Model
- 330-15IGM, EG431, EG5N2
- First posted
- 12 May 2020
- Last posted
- 5 Jul 2022
- Sources
- 4
Tags
J1Download NM-B661 BIOS / EC firmware from Telegram
- Bios & Schematics @laptopbios · 5 Jul 2022Open post
- Boardview-laptop-phone-TV-bios.schematic @pepeelectronica · 24 Apr 2022Open post
- Laptex Laptop BIOS (LLB) @laptexlaptopbios · 8 Jul 2020Open post
- BIOS ARCHIVE | BIOS |Laptop Firmware & Tools @biosarchive · 12 May 2020Open post
R1How to download Lenovo Ideapad 330-15IGM EG431 EG5N2 NM-B661 BIOS
- 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 Ideapad 330-15IGM EG431 EG5N2 NM-B661 BIOS.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-B661. 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.