Global PC-What's Under the Hood?

starflyer45 asks: "Does anybody know anything about the inner workings of this thing? the Global PC. What's the processor, the harddisk space? What's the OS for that matter? It's supposed to be a dumbed-up version of a computer that "anyone can use", but being one of the "not anyones" I want to know the nitty-gritty details with all the 'hertz' and 'bytes' intact."