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Re: Problems with USB hub



On Thu, Apr 19, 2001 at 10:59:19AM -0400, Brian Nelson wrote:
 
| The devices behave erraticly through the hub--they sometimes work fine,
| sometimes sorta work and then stop responding, or just don't work at
| all.  But, if I connect them directly to the motherboard, they always
| work just fine.
| 
| So, I'm thinking the hub is just crappy and I should get a new one.
| But, I've read USB troubleshooting (non-linux) stuff before, and often
| they say to try connecting the device to the MB and bypass the hub.  I'm
| wondering, are USB hubs often troublesome, or is it just mine?

I don't have any USB hub experience, and not much USB experience, but
I have read that USB has issues with power and speed.  Can you check
the power output of your hub?  Maybe your device(s) want more power
than it can supply.  Also, if you have too many devices, the system
gets bogged down trying to send packets all over the place.

Can you try the hub with just 1 device plugged in?  If you have a
meter, I can check my MOBO manual to tell you which pins are the power
and ground.

-D



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