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Grant wrote: |
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>>>> I'm looking at the box of one of the webcams and it says "USB 2.0 |
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>>>> compatible". |
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>>>> |
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>>>> |
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>>> A USB 1.1 device _is_ "USB 2.0 compatible" because a USB 2.0 |
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>>> will slow down and run at 1.1 speed. Does the device say it's |
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>>> "high speed" USB? "USB 2.0 compatible" generally means it's a |
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>>> USB 1.1 device. |
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>>> |
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>>> |
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>>> |
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>>>> It's not a cable problem because the cable is built right into |
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>>>> the webcam. I'm not trying to get the webcam to go faster |
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>>>> back and forth to the controller, I just need to make sure I |
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>>>> don't have both webcams on the same OHCI (1.1) USB controller. |
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>>>> I would think buying a USB expansion card would work, but I |
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>>>> have an EHCI (2.0) controller on this system and a second OHCI |
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>>>> (1.1) controller. |
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>>>> |
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>>>> Does anyone have any idea on this. It really doesn't make sense. |
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>>>> |
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>>>> |
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>>> Sounds like it's a 1.1 device to me. |
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>>> |
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>>> |
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>>> |
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>> Yep, that's what it sounds like to me too. |
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>> |
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>> Dale |
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>> |
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> |
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> But that's OK isn't it? I don't need 2.0 speeds between each webcam |
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> and the controller, I just need the increased overall bandwidth of a |
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> 2.0 controller so one of the 1.1 webcams doesn't use all of it. I get |
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> the feeling I have a misconception somewhere along the line here. |
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> Could someone straighten me out? |
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> |
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> - Grant |
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> |
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> |
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> |
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|
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If the camera is using USB version 1.0, or the slow connection, it won't |
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ever work as a 2.0. It is just not capable of that. It would be like |
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me wanting my old dial-up modem to connect to my ISP at 256K/s. It |
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can't do that because it was not built to do that or has the hardware to |
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do it either. Not to mention that my ISP would not be happy either. |
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|
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I suspect that sort of like my IDE bus, when I have a old drive on the |
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same cable as a fast one, it is slower because of all the negotiating |
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that goes on between the different devices. I may be wrong but I don't |
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think you are going to be able to get two cameras to work unless they |
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are both USB 2.0 or on a separate chip such as a expansion card. |
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|
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The camera is your limiting factor from what I understand. |
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|
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Dale |
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|
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:-) :-) |
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