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Charging an iTouch

  • 29-12-2007 2:55am
    #1
    mad m
    Registered Users, Registered Users 2 Posts: 9,016 ✭✭✭


    Using an old laptop which only has 1.1usb, I've read somewhere that it could/would damage your itouch when charging off 1.1. I have a Wii which is 2.0Usb, would this be fine to charge from? Also when I plug the itouch in, it starts up and I see the battery charging, I then turn it off but nothing comes up to say its charging, I leave it for a few hours, turn it back on and it hasn't charged one bit....

    With the itouch off is this a common thing, not to see anything happen? Thought I would see something working, like the way a phone comes on even though it might be off...


Comments

  • #2
    faceman
    Moderators, Category Moderators, Arts Moderators, Entertainment Moderators, Social & Fun Moderators Posts: 16,663 CMod ✭✭✭✭faceman


    mad m wrote: »
    Using an old laptop which only has 1.1usb, I've read somewhere that it could/would damage your itouch when charging off 1.1. I have a Wii which is 2.0Usb, would this be fine to charge from? Also when I plug the itouch in, it starts up and I see the battery charging, I then turn it off but nothing comes up to say its charging, I leave it for a few hours, turn it back on and it hasn't charged one bit....

    With the itouch off is this a common thing, not to see anything happen? Thought I would see something working, like the way a phone comes on even though it might be off...

    the 1.1 USB wont damage your itouch, but it wont charge it either. Use your Wii to charge it.

    Not sure about the switching off bit, sorry. try the support pages on the apple website or give them a buzz.


  • #3
    mathias
    Closed Accounts Posts: 2,174 ✭✭✭mathias


    It depends on what laptop you have of course , but if it has a spare PCMCIA slot then for the paltry sum of 20 euros you can add 2 USB 2.0 slots , which will work fine with you new itouch.

    http://www.komplett.ie/k/ki.aspx?sku=311108


  • #4
    DonFred
    Registered Users, Registered Users 2 Posts: 454 ✭✭DonFred


    I too have an old laptop with 1.1 USB and my ipod charges fine!! Dont matter if computer is 1.1 or 2.0 it charge all the same.


  • #5
    mathias
    Closed Accounts Posts: 2,174 ✭✭✭mathias


    Dont matter if computer is 1.1 or 2.0 it charge all the same.

    Absolutely not !! Newer USB 2.0 slots have more power available on the slots for charging. Some newer devices need the extra power and will not charge on old 1.1 slots

    A quote from the wiki , old types provided 100 -400 ma max , new USB 2.0 interfaces can supply up to 1.5 amps , or approx 4 times as much power. Its called on the go or battery charging specification.

    http://en.wikipedia.org/wiki/USB#PoweredUSB
    The USB specification provides a 5 V (volts) supply on a single wire from which connected USB devices may draw power. The specification provides for no more than 5.25 V and no less than 4.75 V (5 V±5%) between the positive and negative bus power lines.[9] Initially, a device is only allowed to draw 100 mA. It may request more current from the upstream device in units of 2 mA up to a maximum of 500 mA.

    If a bus-powered hub is used, the devices downstream may only use a total of four units — 400 mA (i.e. 2 watts) — of current. This limits compliant bus-powered hubs to 4 ports. The host operating system typically keeps track of the power requirements of the USB network and may warn the computer's operator when a given segment requires more power than is available.

    On-The-Go and Battery Charging Specification both add new powering modes to the USB specification. The latter specification allows USB devices to draw up to 1.5 A from hubs and hosts that follow the Battery Charging Specification.
    As of June 14, 2007, all new mobile phones applying for license in China are required to adopt the USB port as a power port.[10]


  • #6
    mad m
    Registered Users, Registered Users 2 Posts: 9,016 ✭✭✭mad m


    Can anyone confirm for me that when they have there ipod plugged in while off, that it shows some sort of display saying its charging??

    Thanks


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  • #7
    mathias
    Closed Accounts Posts: 2,174 ✭✭✭mathias


    Initially it will , then it will go dark , but on picking it up you should see an icon flashing indicating a charge in progress , I have a fifth generation by the way.


  • #8
    parsi
    Site Banned Posts: 5,904 ✭✭✭parsi


    Also make sure you use the cable that came with the Ipod - it seems (that great Internet forum phrase "it seems") that the Touch is sniffier regards charging. My 3rd Gen Nano charges happily off an extension lead but the Touch needs to be plugged in directly.

    The touch goes dark whilst charging if its not in use -tapping the screen should show a trendy battery icon.


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