There’s a lot of speculation about what’s inside the A4, Apple’s custom and ultra-power-efficient chip that powers the iPad. Nobody knows for sure because, like all their products, it’s a seeeeeecret. Until now.
A curious tidbit from VentureBeat: The A4 chip that Apple’s pimping hardcore in iPad promos might not’ve been done by their PA Semi team (which Apple acquired for $US278 million). Their source says it was designed by Apple’s existing VLSI team, who made custom chips like northbridges for the old…