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My serial number PC21MW0H Motherboard code IQ4X0IL1 NM-C621

i have lenovo thinkpad t460 bt462 nm-a581 rev: 3.0 it have password when power on ihave program a new bios but not open any one can help me

i attach on this page. but this is build for chrome os and locked. https://vinafix.com/threads/m70q-11e8-iq4x0il1-nm-c621.43173/

No need info about this. I need only W25X20CL eprom dump on m80q motherboard. If you have this computer you can find this chip on back side of board. Thanks

Nuvoton Nct6686d eSIO

This is Embedded controller eprom dump.

this file

Hi, do you have Lenovo m70q EC rom backup? Motherboard IQ4X0IL1 NM-C621.

Please share EC rom files for this model. thanks.

I have same computer with same problem. amazon bios blocks system. There are three bios chip on motherboard. I need Super IO chips eprom dump. (EC rom) You can see this bios designed for chrome os. In my computer system bios chip W25Q128JVSIG (locked, cant't erase need to replace with new...