The Raspberry Pi Foundation made a surprise announcement yesterday that they had managed to increase the RAM on the Raspberry Pi to 512MB while keeping the price at $35. That should make it easier to run a few more memory-demanding apps and work with platforms like Java.

It was also announced that the boards were already shipping with 512MB modules, so if you have one on order and it arrives in the next few days it might be a new board. But how do you tell if your Raspberry Pi has 256MB or 512MB of RAM?

There’s two super simple methods for doing this. One that requires power, and the other which doesn’t.