Jim Gribbin wrote:
>On Sun, 2005-07-10 at 09:51 -0800, Damien Hull wrote:
>
>
>>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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>>
>I think those things are like any other bus. So much bandwidth on the
>bus (480 Mb) and anyone on the bus shares it.
>
>
That's what I thought.
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Received on Mon Jul 11 09:58:15 2005
This archive was generated by hypermail 2.1.8 : Mon Jul 11 2005 - 09:58:15 AKDT