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Some USB ports are slow

Last response: in Motherboards
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May 28, 2012 2:08:02 AM

I was not sure where this goes.

I am having an unusual problem with my computer's USB ports. I am using a USB wi-fi drive to get wi-fi to my pc, and some of the ports are really slow.

We are paying for 12Mb/s internet speed. I used DSLreports.com to check my speed. I also made sure there were no other users using the internet when the tests were done. As far as I know all of the USB ports are USB 2.0.

There are four back USB ports and two front ports. Each time I run these tests I unplug and then replug in the USB wi-fi drive.

Back:

Top Left: 1st try 2.5 Mb/s. 2nd try 3.5 Mb/s. 3rd try 6.9 Mb/s

Top Right: 1st try 12.4Mb/s. 2nd try: 6.8 Mb/s. 3rd try 2.8 Mb/s.

Bottom Left: 1st try 16.1 Mb/s. 2nd try 9.7 Mb/s. 3rd try 10.8 Mb/s

Bottom Right: 1st try 15.5 Mb/s. 2nd try 7.8 Mb/s. 3rd try 8.0 Mb/s.

Front:

Top Left: 1st try 14.8 Mb/s. 2nd try 14.6 Mb/s. 3rd try 14.3 Mb/s

Top Right: 1st try 14.0 Mb/s 2nd try 18.7 Mb/s. 3rd try 17.6 Mb/s

I am using the same server each time (Sprint/Chicago) which is the closest to my hometown.

My front ports are fairly consistant, but my back ports vary wildly. Especially the back top ports. Any suggestions?

I am running:

Windows 7 64 bit.

CPU: Core 2 Quad Q9300

RAM: 6 GB DDR2

Video card: Radeon HD 5770

Motherboard: Gateway G33M05G1

BIOS: Phoenix Technologies 841P041G Date: 05/16/2008.

*I checked for a BIOs update but this is the only version available.

My computer is a Gateway FX4710. It came with Windows Vista 64 bit, but I upgraded to Windows 7 64 bit a year or two ago.

Internet is Cable.

Router: Linksys Valet M10 V1.

Wi-Fi USB drive: Cisco AE1200

Please help! Is there any way to fix the malfunctioning USB drives? Should I buy a new motherboard? Should I buy new USB ports? Any suggestions?

Thank you very much!

Edit: This is what my Device Manager looks like. 1 only have 6 USB ports on my PC, I am not sure why I have 8 ICH9 Family USB Host Controllers or 8 USB Root Hubs, or even what they are. Do I need them?

More about : usb ports slow

a c 1098 V Motherboard
May 28, 2012 3:14:38 PM

Have you compared the signal strength between the ports? USB sticks do not have good antennas and are very sensitive to obstructions.
Cisco E1200 is a router so I could not look up your stick!
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May 28, 2012 10:02:00 PM

rolli59 said:
Have you compared the signal strength between the ports? USB sticks do not have good antennas and are very sensitive to obstructions.
Cisco E1200 is a router so I could not look up your stick!


Whoops, sorry I mean the AE1200 stick.

How do I check the signal strength between ports? Thanks.
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a c 1098 V Motherboard
May 28, 2012 10:11:31 PM

What ever you use to manage your wifi connection should report the strength of the Signal! At least you should see it under network connections.
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February 1, 2013 5:42:08 PM

i've noticed this effect too and i believe on some cheap mobos usb ports on the back are designed to be slower to work only with periferals(keyboard, mouse, etc.) and front ports are designed for data transers using usb sticks
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