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  • Inside the New iPod touch

    iFixit continued its investigation of the new iPod models yesterday with a comprehensive teardown of the fourth generation iPod touch. The disassembly revealed a few interesting details, such as the fact that the device does not have a vibration motor as had been previously advertised, and that the A4 chip that powers the new iPod comes with only 256MB of RAM, like the iPad.

    As expected, the device is difficult to take apart, due to Apple's desire to both cut costs and make third-party repairs difficult if not impossible. With no external screws or fasteners on the case. iFixit needed to use a heat gun to melt the glue holding the front panel on. Once they got the case open, they discovered that the glass is permanently bonded to the LCD panel in the same way as the iPhone 4 display. Unlike previous iPod touch devices, this keeps dust from getting under the glass, but also raises the cost for repair.

    Behind the "surprisingly heavy" EMI shield - which iFixit notes makes up ten percent of the total weight of the device - is the iPod touch's battery, which is rated for 40 hours of playback time. The battery is actually soldered to the logic board, as had been the case with previous generations of the iPod touch. They didn't find a little vibrating motor like the one in the iPhone 4, indicating that the initial claim by Apple that the iPod touch would give "a vibrating alert" when you get a FaceTime call were inaccurate. The claim has since been removed from the iPod page.

    The A4 processor in the iPod touch has the marking K4X2G643GE on it, which is identical to the marking on the iPad version of the system-on-a-chip but different from the marking on the iPhone's CPU. This indicates that the iPod has 256MB RAM, like the iPad, rather than the iPhone 4's 512MB. "And no" iFixit quips, "there's no RAM upgrade slot."

    Source: AppleInsider, image via iFixit
    This article was originally published in forum thread: Inside the New iPod touch started by Paul Daniel Ash View original post
    Comments 32 Comments
    1. pyromcr's Avatar
      pyromcr -
      so now when you drop it and the screen cracks, there is nothing you can do. great...
    1. Bluemoldycheeze88's Avatar
      Bluemoldycheeze88 -
      damn man.. I would hate to drop the iPod and crack the glass.
    1. o3okevin's Avatar
      o3okevin -
      256MB of RAM is still a lot... enough for most things, really. Unless you plan on installing 12381908390128398 Mobile Substrate addons, which would crash the moon if you really wanted to.
    1. zoso10's Avatar
      zoso10 -
      Yeah I don't think I'd be able to coerce myself into tearing apart any idevice.
      I get super pissed when I just drop mine and maybe get a little scratch.
    1. blueblaze4444's Avatar
      blueblaze4444 -
      So let me get this straight, I'm a bit confused.

      The new iPod Touch takes same quality videos as the iPhone 4 but lower quality still photos?
    1. ro0oney's Avatar
      ro0oney -
      very unique indeed
    1. LSZ33's Avatar
      LSZ33 -
      sucks that they didn't give it 512mb of ram. I've been waiting to buy an ipod touch and was hoping for one in excess of 64GB to replace my ipod video 80GB. Guess i'll get the next gen ipad instead.
    1. steven0123's Avatar
      steven0123 -
      can you add RAM to iphone 3g?
    1. laz305's Avatar
      laz305 -
      well now i know I'll be selling mine for an iPad 2nd Gen
    1. dennisls111's Avatar
      dennisls111 -
      Quote Originally Posted by MindGem View Post
      Rather the iPad than this.

      Sent from my iPod touch using ModMyi
      I agree with u .
    1. nyczwillz's Avatar
      nyczwillz -
      looks complicated as usual.
    1. goldenpois0n's Avatar
      goldenpois0n -
      hrm... i just got an ipod touch 4g jailbroken... damn!