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iChip July 2, 2007

Posted by reverseengineer in Hardware, iPhone.
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(In the interest of full disclosure, I’d just like to say that this stuff is all geek to me. I just sort of peripherally sense the monumental significance of the info, hence I mention it here on the blog. Otherwise it’s just blah blah blah blah blah…)

Yesterday’s leaked firmware (check a couple of posts back) had a few surprises for the gearheads who live for this stuff. We’ve learned the possible identity of the chip that the iPhone runs on, and it’s either a 620MHz ARM CPU, or a SAMSUNG S3C6400, which is a 667MHz ARM  chip.

Either one is bad news for hackers because of something they have called TrustZone, which protects the computing environments for media, apps, network and the OS. It also can dynamically change speed depending on the implementation up to 700 MHz. Among other things, it also has an Energy Manager that can reduce power consumption in portables by 25-50%.

(Blah blah blah…)

More on Engadget.

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