I tested a pentium 2020m (IvyBridge) in a T520 to see if it works or not, the keyboard lights came on, but nothing else, the processor didn't even become warm.
It is most likely possible, but it doesn't seem easy, to create a BIOS update that would allot this.
Some other manufacturers have released BIOS updates that make the SandyBridge chipset support IvyBridge.
Is it possible to ask Lenovo to work on something like this ? , it will not hurt them in any way, both SandyBridge and IvyBridge...
SandyBridge to IvyBridge upgrade on Thinkpad Xx20 - Willing to pay for a solution
It is most likely possible, but it doesn't seem easy, to create a BIOS update that would allot this.
Some other manufacturers have released BIOS updates that make the SandyBridge chipset support IvyBridge.
Is it possible to ask Lenovo to work on something like this ? , it will not hurt them in any way, both SandyBridge and IvyBridge...
SandyBridge to IvyBridge upgrade on Thinkpad Xx20 - Willing to pay for a solution