THINKPAD X280 NM-B521 REV 2.0
CLEAN ME BIOS
BIOS VER N20ET70W
EC MEC 256KB
SCHEMATIC
BOARDVIEW
SR3LA (Intel Core i5-8250U)
TESTED IMRANROMI
CLEAN ME BIOS
BIOS VER N20ET70W
EC MEC 256KB
SCHEMATIC
BOARDVIEW
SR3LA (Intel Core i5-8250U)
TESTED IMRANROMI
About this board
X280 (Type 20KF 20KE) Laptop (ThinkPad) ex280 — motherboard NM-B521.
The board was manufactured by LCFC for Lenovo. LCFC (Lenovo/Compal) board numbers start with NM-, so you can confirm it on the PCB silkscreen. This listing is for revision 2.0; another revision of the same board can need a different file.
Files listed for this board
- BIOS (full SPI chip dump, .bin)
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.
Back up the original dump first — it contains machine-specific data (serial, UUID, MAC, ME), and you will want it if anything goes wrong.
Have a tested file for NM-B521? Reply below and help the next technician. Looking for something else? Search all files in the File Finder.
Attachments
THINKPAD X280 NM-B521 CLEAN ME SR3LA.rar
5.7 MB · Views: 28
5.7 MB · Views: 28
NM-B521_x280 boardview.pdf
187.4 KB · Views: 14
187.4 KB · Views: 14
NM-B521_x280 FN1KR-3.pdf
1.7 MB · Views: 14
1.7 MB · Views: 14
ECROM (1).bin
256 KB · Views: 6
256 KB · Views: 6
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