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Thread: USB Questions.




  1. #1

    Default USB Questions.

    Hello all. I have two questions in regards to USB and USB devices.
    In regards to USB 1.1 and USB 2.0 I have always thought that on most modern computers with built in USB slots, the USB 1.1 is on the left and the 2.0 is on the right (if facing the back of the PC tower) am I correct in making this assumtion or am I TOTALY off on this one! :P also if this is not the case, then do I have to purchase cards for my customers for them to access 2.0 capabilities.

    My second question is:
    two of my customers are expieriencing restarts on they're systems basically out of no where and only when usin USB devices. I believe that this is due to the fact that 4+ USB devices are connected to they're computers w/out a powered usb hub. once again am I correct in my assumtion or is they're computers power supply not powerfull enough to handle all these devices.


    In either case I would greatly appreceate any input!
    Thank you

  2. #2
    Join Date
    Apr 2005
    Location
    DE
    Posts
    256

    Default Re: USB Questions.

    To the first question: All newer computes will have all USB 2.0. It is backwards compatible with 1.1, so there's no need for USB 1.1 anymore.

    To the second question: I have no idea. Try getting the latest chipset drivers for the motherboard. USB doesn't draw enough power to make it a psu issue. If the board couldn't handle 4+ USB devices, then it just wouldn't put them on there. I'm not really sure what the problem might be though. I've never had USB issues before :-/ (except in a mac).

  3. #3
    Join Date
    Sep 2002
    Location
    Central Alberta , Canada
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    1,019

    Default Re: USB Questions.

    I don't believe any modern motherboads even have USB 1.1 any more. USB 2.0 is backwards compatible therefore there is no point to having both on a modern board.

    As for the question on restarts I'd be more tempted to say they have some sort of driver conflict than lack of power although that is a possibility. Are there any items of note in the event viewer reguarding the crashes?

    Edit: eat@joes was a bit faster at answering than I.
    Last edited by PrairieDawg; 01-18-2006 at 11:24 AM.
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  4. #4
    Join Date
    Nov 2003
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    Minnesota, United States
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    4,543

    Default Re: USB Questions.

    Quote Originally Posted by tgcomputersolutions
    Hello all. I have two questions in regards to USB and USB devices.
    In regards to USB 1.1 and USB 2.0 I have always thought that on most modern computers with built in USB slots, the USB 1.1 is on the left and the 2.0 is on the right (if facing the back of the PC tower) am I correct in making this assumtion or am I TOTALY off on this one! :P also if this is not the case, then do I have to purchase cards for my customers for them to access 2.0 capabilities.
    Totally off. As they said, USB is backwards-compatible and no modern systems have 1.1, and no system would ever need both. They only need for a USB 2.0-capable system is for devices capable of using the speed. A wireless USB device will be limited by USB 1.1, as will transfer speeds on USB 2.0 removable storage.

    Quote Originally Posted by tgcomputersolutions
    My second question is:
    two of my customers are expieriencing restarts on they're systems basically out of no where and only when usin USB devices. I believe that this is due to the fact that 4+ USB devices are connected to they're computers w/out a powered usb hub. once again am I correct in my assumtion or is they're computers power supply not powerfull enough to handle all these devices.
    It's possible. What devices are in use?

  5. #5

    Default Re: USB Questions.

    Quote Originally Posted by Yawgm0th
    Totally off. As they said, USB is backwards-compatible and no modern systems have 1.1, and no system would ever need both. They only need for a USB 2.0-capable system is for devices capable of using the speed. A wireless USB device will be limited by USB 1.1, as will transfer speeds on USB 2.0 removable storage.

    It's possible. What devices are in use?
    one of my customers power problems have managed to go away if I only told you what he was running on his computer you would cry and wonder how it has not completely melted (i'm sure its for another forum)
    as for most recent customer:
    1 Logitec webcam w/ built in mic (QuickCam® Zoom)
    1 extended microsoft keyboard
    1 Digital Camera
    1 HP super office jet 1 billion in 1 printer
    1 mp3 player
    1 set of the latest Microsoft Flight Simulator duel joystick things (joystick & throttle)

    now, when I was there helping him out last week it appeard to be a usb issue, but I just learned that he has all his usb devices un plugged and is still getting his system shut downs! hmmmm there goes my theory man is this frustrating sometimes. I think I will have to check out everything all over again and I'll look at the event manager (can't believe i didnt think of that!)

    thanks

  6. #6
    Join Date
    Nov 2003
    Location
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    Default Re: USB Questions.

    What system is all that running on? I certainly wouldn't want to run it all through one hub...

  7. #7

    Default Re: USB Questions.

    Compaq something

    P 4 1.7Mhz CPU
    128 megs RAM
    60GIG HD
    56x CD-ROM
    12x CD-Burner
    Sound Blaster Live 6.1
    ATI Radeon 9600

    Windows XP Pro

    I donno I cant remember all the stats I told him to get a :
    5 port Powered USB hub.
    1 GIG RAM

    and possibly a new Power supply

    I know how rough that sounds like. My other buddy is a musician has:
    13 USB devices installed
    P3 866Mhz processor
    Intel motherboard
    1 Gig Ram
    80Gig HD
    40Gig HD
    16x DVD-ROM
    56x CD-Burner
    Sound Blaster Audigy system hooked up to audio rack mount
    2 Firewire connections
    Windows XP Pro
    and about 120 core processes running at all times


    its KILLER

  8. #8
    Join Date
    Nov 2003
    Location
    Minnesota, United States
    Posts
    4,543

    Default Re: USB Questions.

    What power supplies are both systems using?

    Quote Originally Posted by tgcomputersolutions
    Windows XP Pro
    and about 120 core processes running at all times
    Reinstall Windows XP. This system will probably take between two and four hours to fix manually, if the person fixing it even has enough skill to do it at all.

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