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EPoX MotherBoards EPoX Intel and AMD Motherboards.


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Old 17th December, 2002, 10:35 AM
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8rda+ usb 2.0 question

Ok, I have an 8rda+ and when I was installing it, the included add-on usb cables (for plugging into the motherboard headers) were too short to reach the ports on the front of my case, so I just used the ones that came with the case. My question is, if they are usb 1.1 cables, does that mean that they will only work as usb 1.1, or are both 1.1 and 2.0 cables the same? I've tried them with some usb 1.1 devices but I don't have anything that uses usb 2.0 at the moment. Also, in device manager, it shows one Standard Enhanced PCI to USB controller and two Standard OpenHCD USB Host controllers. The Enhanced one is usb 2.0, correct? If that's the case, why is there only one? The 4 ports on the back use 2 controllers, right? I would think it would be the other way around, 2 enhanced controllers for the ports on the back and then 1 for the motherboard header ports. Underneath these three controllers are three usb root hubs. I'm only using one usb device, which is a usb intellimouse, plugged into the top left port on the back. One root hub says it has 3 ports available, the next one says it has two available and shows the intellimouse, and the last one says it has 6 ports available. This has me very confused and any input would be appreciated. Thanks
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Old 18th December, 2002, 07:57 AM
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Hi, Solo...

Yes , the "enhanced" controller is for USB 2.0. Only one USB 2.0 controller and "2.0" root hub are needed for the system. The number of physical USB 1.1 ports can vary per standard root hub, but the exact number depends on the specific hardware. If you have more than one set of USB 1.1 ports, you will probably see more than one USB 1.1 controller in Device Manager. However, the total number of root hubs should exactly match the total number of controllers.

Hope this helps -- Trevor
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