Just wanted to say thank you to Bell 77 for posting this bios dump. You helped me save my computer. In case anyone has a similar problem my machine is a Lenovo Thinkcentre M910t with a IQ270MS motherboard. The bios chip was a WINBOND one near the USB pins on the bottom of the motherboard. Hopefully putting this here will help other people with the same computer as nothing showed up on google for it. I reprogrammed the chip with a CH341A 24 25 Series EEPROM Flash BIOS USB Programmer Module + SOIC8 Test Clip and used hex workshop to change the model number (5 entries) and serial number (7 entries)...

Hobbes1976 here. I joined the forum after my windows decided to update the bios on my Lenovo M910t and turn it into a brick. All sorted thanks to a bios dump that was correct for the motherboard and a steep learning curve with a programmer! I started off with Dragon 32's, moved on to Acorn computers and these days have a PC for work and tinker lightly with a raspberry pi and an arduino uno.