USB ports die as soon as I plug somethig in

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Bluetobb

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Mar 12, 2013
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I thought I had my model number but left it at home. I think its GA-P55-UD5. There might be another letter after the P55. I know its the 1156 socket.

Anyway I have always had issues with the usb ports. When I plug something it may or may not be recognized by the computer and it may or may nit kill that usb slot until after reboot. I have always just moved the item to another usb and not thought about it. Now I have my computer in the basement and run 4x25' usb extenders to a panel to plug in my usb equipment.

I can move the 4 extenders all over the back of the motherboard to different usb ports. From up stairs I can always get my keyboard and mouse to work but getting external hard drive, iphone, camera memory card to work is a crap shoot.

Is there a driver I need to update or a known issue?

Thanks
Dan
 
Solution
C
USB cable has a normal maximum length of about 5 meters (16.4 feet), but you can get longer distances by using an active USB extension/repeater cable.
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Bluetobb

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Just updated the bios last night to F11. Have not had a chance to put it through its paces. Will do tonight. Was just hoping to catch the, obvious before I have to start posting at extreme detail.
 
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Bluetobb

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That is interesting. Is reading an SD card high powered?
 
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Bluetobb

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You know I say 25 feet. But when I bought all the extension wires I did a fair amount of research on Monoprice. I bought the longest one they recommended that would work without being an active cable.

Sounds like I need to go home measure my cables. See if the bios update made a difference. I went into the device manager and told it to get the latest drivers for one of the ports. It came back as already having the latest version.

About to open a question about SATA II and upgrading the motherboard to make it work.

Thanks all for your input and feedback. It has been helpful!
 
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Traciatim

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Nov 11, 2006
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I'm not certain on that one, but I would consider anything that needs high speed communication and data throughput would be far more sensitive to cable length. A good way to test this though... plug the devices in using short cables... and do they work?

Considering just calculating voltage drop over 6' cables vs 30' 26AWG wires at 5V and 250mA you end up with either a 2.2% drop or a 12% drop. If the device needs 500mA instead the voltage drop on 30' cables the voltage drop is 24% instead.

To combat that you either need shorter wires, thicker wires, or some type of active boost in the middle.
 
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Bluetobb

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Mar 12, 2013
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Thanks for the feedback I will also add this to my testing tonight.
 
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