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LENOVO M490S-WISTRON-LM490S 48-4YG01-011 12221-1 Bios,Schematic

Laptops and Desktop Bios, Schematic and Boardview Files And Repairing Discussion
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M490S-LM490S 12221-1
bios bin zip

BIOS :
DIS N14M-GL-S-A2
U6001 bin zip
U6002 bin zip

SCHEMATIC :
LM490S 12221-1 Schematic.pdf
OK
 
About this board

M490S- -LM490S 48-4YG01-011 — motherboard 12221-1.

Wistron board numbers are 5–6 digits plus a revision. Check the number printed on the PCB before you download.

Files listed for this board
  • BIOS (full SPI chip dump, .bin)
  • Schematic (PDF)

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 12221-1? Reply below and help the next technician. Looking for something else? Search all files in the File Finder.

Attachments

BIOS N14M-GL-S-A2 u6002.bin.zip
2.4 MB · Views: 4


BIOS N14M-GL-S-A2 u6001.bin.zip
2.7 MB · Views: 4


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