Connecting a USB 2.0 device to a USB 1.1 port

> I have connected a USB 2.0 device to a USB 1.1 port. It
> is an external CD-RW/DVD-ROM drive by iomega, connecting
> to a Toshiba laptop. The device initially worked, then I
> received a message saying that the device was not
> recognized. Now I am receiving the message "You must add
> a HI-SPEED USB host controller to this computer." What
> does this mean, and how do I do it. Thankyou to anyone
> who can help!

> moonlightpegasus wrote:

> > I have connected a USB 2.0 device to a USB 1.1 port. It
> > is an external CD-RW/DVD-ROM drive by iomega, connecting
> > to a Toshiba laptop. The device initially worked, then I
> > received a message saying that the device was not
> > recognized. Now I am receiving the message "You must add
> > a HI-SPEED USB host controller to this computer." What
> > does this mean, and how do I do it. Thankyou to anyone
> > who can help!

> What the thing is telling you, I think, is that only USB 1.1 is
> currently enabled on your system. To change that, you would have to
> purchase and install a USB 2.0 enabling PCI card. They are made by
> Adaptec, Scandisk, Belkin, etc,. In my area, about any electronics
> purveyor such as Best Buy, Circuit City, even Wal-mart sells them for
> about $20-25. To find out what you presently have, go to the "Control
> Panel" and double click the "System" icon. When that opens, click the
> "Hardware" Tab and then the "Device Manager". Scroll down toward the
> bottom to "Universal Serial Bus controllers", then click the "+" sign to
> expand to the individual entries. If you currently have USB 2.0, you
> will see an entry with the word "enhanced" usually; something like "USB
> Enhanced Host Controller." If your computer was manufactured after Feb
> -Apr 2002, you probably have USB 2.0. If before, you probably only have
> USB 1.1. USB controllers and devices are typically backwards compatible
> but your Iomega External drive is not going to reach device capability
> without USB 2.0.
> Gene K

> Hello Gene, are you sure that Iomaga's 48x24x48 CD-RW designed for USB 2.0
> will not work on USB 1.1? I connected mine to an old Presario 1900 with USB
> 1.1 several month ago and the literature states, that the CD-RW will work at
> a slower transfer rate, but otherwise it is compatible.
> Thanks for letting me add my 2-cents.
> Gerry
> "Gene K" <genek@fakeolivianc.net> wrote in message
> news:O9YVZG%237DHA.2056@TK2MSFTNGP10.phx.gbl...
>

>>moonlightpegasus wrote:
>>

>>>I have connected a USB 2.0 device to a USB 1.1 port. It
>>>is an external CD-RW/DVD-ROM drive by iomega, connecting
>>>to a Toshiba laptop. The device initially worked, then I
>>>received a message saying that the device was not
>>>recognized. Now I am receiving the message "You must add
>>>a HI-SPEED USB host controller to this computer." What
>>>does this mean, and how do I do it. Thankyou to anyone
>>>who can help!

>>
>>What the thing is telling you, I think, is that only USB 1.1 is
>>currently enabled on your system. To change that, you would have to
>>purchase and install a USB 2.0 enabling PCI card. They are made by
>>Adaptec, Scandisk, Belkin, etc,. In my area, about any electronics
>>purveyor such as Best Buy, Circuit City, even Wal-mart sells them for
>>about $20-25. To find out what you presently have, go to the "Control
>>Panel" and double click the "System" icon. When that opens, click the
>>"Hardware" Tab and then the "Device Manager". Scroll down toward the
>>bottom to "Universal Serial Bus controllers", then click the "+" sign to
>>expand to the individual entries. If you currently have USB 2.0, you
>>will see an entry with the word "enhanced" usually; something like "USB
>>Enhanced Host Controller." If your computer was manufactured after Feb
>>-Apr 2002, you probably have USB 2.0. If before, you probably only have
>>USB 1.1. USB controllers and devices are typically backwards compatible
>>but your Iomega External drive is not going to reach device capability
>>without USB 2.0.
>> Gene K

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