512MB. Unless you got some crazy manufacturing defect.
You’re right. I don’t know why I said 1GB. I think the Raspberry Pi has the same amount of RAM and a slightly slower processor. Can’t be totally sure though. However, this only further proves my point that his problem is not RAM.
As someone who has actually cracked open a Mac… you are brave sir. It is QUITE apparent that those devices WERE NOT made to be modified like @traq said! I actually had to use a razorblade to cut a foil coating on an iMac I cracked open. It made me real nervous: