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Thread: Keyboard PS/2 to USB adaptor

  1. 05-01-2007, 01:30 AM #1
    warrenw
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    Keyboard PS/2 to USB adaptor

    My computer PS/2 is down
    But keyboard O.K. (tested in another computer)
    I buy a PS/2 to USB adapter to use the keyboard in USB
    But the computer does not recognise the USB keyboard

    Do I need to install a driver ?


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  2. 05-01-2007, 06:20 AM #2
    naptownman
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    You might need to enable USB keyboard support in the BIOS.
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  3. 05-01-2007, 12:09 PM #3
    Train
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    Legacy USB maqybe a nother name for it and do check things out real close. Some mobos have 2 or 3 places where usb like that has to be enabled.
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  4. 05-01-2007, 12:29 PM #4
    rraehal
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    I have bought some PS2 to USB Adapters. I have only had problems in 2 cases - the first is the adapter was defective - the second was the computer did not support USB keyboards.

    If a computer does not support the USB keyboard via the BIOS, windows may still load the USB drivers, it will simply take a while when windows boots up. You will need a newer version of windows. Win98SE or newer should give no issues with a USB keyboard. I have only used USB with Win2k and XP.
    -- Mathias
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  5. 05-01-2007, 12:33 PM #5
    warrenw
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    I guess it is a defective adapter because I'm running XP and should support USB keyboard

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  6. 05-01-2007, 12:43 PM #6
    rraehal
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    I'm actually using the PS2 to USB Keyboard adapter right now to type this. My new laptop doesn't have PS2 ports and I didn't want to spent money on a cheap keyboard because the key layout is different than I like.

    My brand is made by Micro Innovations and can support a mouse and keybaord at the same time. I have about 8 of them in my office.

    http://www.amazon.com/USB-To-PS-2-Adapter/dp/B000086TKU
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  7. 05-01-2007, 03:23 PM #7
    Steve R Jones
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    The adaptors can behave differently on different pc's...You have to try a few different brands till you find one that works...Would be easier to get a different keyboard.
    "Vegetarians live up to nine years longer than the rest of us...Nine horrible, worthless, baconless years."
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  8. 05-01-2007, 04:23 PM #8
    104456
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    Quote Originally Posted by warrenw
    I guess it is a defective adapter because I'm running XP and should support USB keyboard


    Yes but only if as stated above its been enabled in the bios.Can you borrow a USB keyboard at all and check ?
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  9. 05-05-2007, 03:40 PM #9
    Peter M
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    You realize you need an active USB-PS2 /controller/ if your keyboard doesn't explicitly support USB itself? (In the latter case, a passive adapter bit as often found with mice would do.)
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  10. 05-06-2007, 04:04 AM #10
    FijiJohn
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    Peter, could you please expand on that a bit? How would a keyboard support/not support USB itself? What is an "active" USB-PS2/controller?
    FijiJohn
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  11. 05-06-2007, 05:19 AM #11
    Peter M
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    An active USB-PS2 controller is a USB device in itself, providing PS/2 mouse and keyboard connectors on its far end, and pretending to be a USB HID (Human Interface Device) toward the system.

    http://www.newegg.com/Product/Produc...82E16822998006

    Keyboards and mice that support PS/2 or USB all by themselves just need a plug adapter. The device /itself/ then switches to being a USB HID instead of a legacy PS/2 device.

    These passive adapters contain no logic at all and look like this:

    https://shop.heureka.co.at/popup_ima...osCsid=b8250ce
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