ThinkPad Laptop Type C Firmware Collection
Levovo X1 Carbon Gen 6 NM-B481 U184 TYPE C 1MB
EE480/EE580 NM-B421 RTS5455 TYPE C 128KB
NM-B421
DATA:31 PIN
CLK :32 PIN
Levovo X1 Carbon Gen 6 NM-B481 U184 TYPE C 1MB
EE480/EE580 NM-B421 RTS5455 TYPE C 128KB
NM-B421
DATA:31 PIN
CLK :32 PIN
About this board
Files for the Lenovo ThinkPad Laptop Type C Firmware Collection motherboard.
Compare the board number printed on the PCB (near the RAM slots or under the battery) with the files before you flash.
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 this board? Reply below and help the next technician. Looking for something else? Search all files in the File Finder.
Attachments
THINKPAD NM-B481 U184 TYPE C OK.rar
119.9 KB · Views: 43
119.9 KB · Views: 43
NM-B421 RTS5455_128k_SVOD4.rar
46.9 KB · Views: 44
46.9 KB · Views: 44
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