330-15 EG531 EG731 NM-B581 Rev;2.2
biosbin.zip
biosbin.zip
About this board
330-15 EG531 EG731 — motherboard NM-B581.
LCFC (Lenovo/Compal) board numbers start with NM-. Check the number printed on the PCB before you download. Board revision: 2.2. Match the revision as well as the board number.
Files usually needed for this board
- BIOS (full SPI chip dump, .bin)
- EC / KBC firmware, if the board uses a separate EC chip
- Schematic (PDF)
- Boardview (.brd / .bdv / .cad)
Common cases: dead board after an interrupted BIOS update, ME region errors, missing serial number or UUID after a board swap, or a password lock.
Before flashing, always read and save the original chip. It holds the serial number, UUID, MAC address and ME data for that exact machine.
Have a tested file for NM-B581? Reply below and help the next technician. Looking for something else? Search all files in the File Finder.
Attachments
NM-B581.rar
4.5 MB · Views: 4
4.5 MB · Views: 4
