Re: CompUSA USB 2 & firewire combo card

Enkidu wrote:

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>Damien Hull wrote:
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>>I've been having doubts about this card. The packaging says it's USB 2
>>but according to lspci 3 of the 4 usb ports are usb 1.1 and one is usb 2.
>>
>>We ran a test using a usb drive and a program called usbview. According
>>to usbview 3 of the 4 ports are usb 1.1. However, when we plugged in the
>>usb 2 drive it came up as usb 2. It was listed under something called
>>EHCI. The other ports were labeled OHCI and the on boar usb was UHCI.
>>All ports on the combo card put the usb 2 drive under EHCI. Plugging the
>>drive into the on board usb port placed it under OHCI.
>>
>>
>>
>
>EHCI is the standard fair for usb 2, UHCI is typical of intel or via chipsets
>and OHCI is for most everything else, most notably the nforce chipsets. The
>ports are actually supposed to read as they do, thee 1.1 ports and one 2.0 port.
>When a device connects that can support usb 2 then the EHCI controller takes
>over, whichever port it is plugged in to. Otherwise, the companion controller
>(OHCI in this case) handles the connection.
>
>Art Brown
>- --
>- --
>There is in certain living souls
>A quality of loneliness unspeakable,
>So great it must be shared
>As company is shared by lesser beings.
>Such a loneliness is mine; so know by this
>That in immensity
>There is one lonelier than you.
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Lets say I plug in 2 usb hard drives and start transferring files. Will
both drives transfer data at 480Mbits/second or 240Mbits/second?
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Received on Sun Jul 10 09:51:55 2005