2 out of 4 usb sockets work
Ian Malone
ibmalone at gmail.com
Tue Jan 29 22:45:23 UTC 2008
Mikkel L. Ellertson wrote:
> Ian Malone wrote:
>> Three devices (the mouse, webcam and handset) show
>> up under one controller, the disc under another, no matter how
>> I shuffle the plugs around.
>>
>> This motherboard has 4 USB sockets on the rear panel and headers
>> for another 4, of which two are attached to ports. I've come to
>> the conclusion:
>> 1. I only have one controller, I can't see any other reason for
>> the bandwidth problem.
>> 2. Three of the devices do USB 1.1, the disc is the only one doing
>> USB 2.0 (since it shows up under the high speed controller.
>>
> The hub determines if the socket is connected to the USB 2.0 or 1.1
> controller, based on the device plugged in. It is possible that both
> controllers and the hub are all on the same chip. Because the drive is
> the only USB 2.0 device, it will always be connected to the USB 2.0
> controller, no matter what socket you plug it into.
>
Thanks for the feedback, nice to have my suspicions confirmed.
--
imalone
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