Released just one month after the Nintendo DS, Sony's handheld debut proved that 'horizontal innovation' is not the only way to succeed in the portable console market.
This article is dedicated to anyone who wants to understand, straight to the point, how the PSP operates. It's not a short write-up, but I hope that by the end of the article, you will be able to grasp the building blocks of this console: its design rationale, choice of CPUs, GPU pipeline, security system, and so forth.