ThinkPad T490, T590, P53s, P43s BIOS FT490/FT492/FT590/FT591 NM-B901

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ThinkPad T490, T590, P53s, P43s BIOS N2IET29W
Supported Systems
FT490/ FT492/FT590/FT591 NM-B901
  • ThinkPad T490 (Type 20N2, 20N3)
  • ThinkPad T490 Type 20Q9, 20QH)
  • ThinkPad T590 (Type 20N4, 20N5)
  • ThinkPad P53s (Type 20N6, 20N7)
  • ThinkPad P43s (Type 20RH, 20RJ)
T490_mec.bin.zip
Lenovo ThinkPad T490 NM-B901 FT490 FT492 FT590 FP531 photo
ThinkPad P14s - NM-C931 BoardView PDF.pdf
NM-B901.tvw


Screen Shot 2020-12-16 at 00.33.47.jpg
 

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Last edited:
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the client told me that after updating the bios win11 this message appeared when I run diagnostics, there are no errors, please tell me how to fix it
 
native robotal before that there was only a message ("2203: System configuration is invalid") I made an update after the laptop stopped turning on. I wrote down another bios now writes (machine type and serial number are invalid)
 
dimitri73 said:
native robotal before that there was only a message ("2203: System configuration is invalid") I made an update after the laptop stopped turning on. I wrote down another bios now writes (machine type and serial number are invalid)
Click to expand...
s/n stored in I/O MEC I think it was programmed
 
dimitri73 said:
I know how to record a serial using a program (IBM Maintenance Disc )
Click to expand...
you can try
vinafix.com

Rewrite the SN / UUID after programming MEC for Lenovo

Rewrite the SN / UUID after programming MEC for Lenovo EC MEC1633, MEC1632, MEC1609, MEC16, MEC50 note: Many users ask how to crack the superuser password. This chip is 192KB of Flash plus 2KB of EEPROM (stores the SVP superuser password and UUID). Through the JTAG interface, the flash can be...
vinafix.com vinafix.com
 
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