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how do I understand if a device uses USB 1.1 or 2.0?

Posted on 2009-03-30
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Last Modified: 2013-12-01
Fact 1: my PC has Vista and USB 2.0.
Fact 2: max cable lenght for USB 1.1 is 3m while  max cable lenght for USB 2.0 is 5m (source: http://en.wikipedia.org/wiki/Usb).

I want to buy the longest USB cable for a USB device and therefore I need to know if my devices use USB 1.1 or 2.0.  Is there a software tool that detects if it uses 1.1 or 2.0?

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Question by:lucavilla
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19 Comments
 
LVL 6

Expert Comment

by:defkamel
ID: 24021718
easiest way would be to google the device name and find the product documentation and see if it say usb 2.0 if it doesn't specify 2.0 then it is probably not.
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Author Comment

by:lucavilla
ID: 24022663
defkamel: easy but not 100% trustworthy.

Any alternative?
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LVL 59

Expert Comment

by:LeeTutor
ID: 24023508
To determine whether you're using USB 1.x or 2.0, check this webpage:

http://www.usbman.com/Guides/checking_for_usb_2.htm

This page has some more info on the differences:

http://www.computerhope.com/issues/ch000602.htm
How do I determine what version of USB I'm using?
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Author Comment

by:lucavilla
ID: 24024045
LeeTutor, those pages don't help because they only explain how to identify if PC has USB 2.0 hardware.

I need to know if my device is using 2.0 or 1.1.
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Expert Comment

by:nobus
ID: 24026641
i think defkamel gave you the answer.
i don't see why the documentation is not trustworthy
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Author Comment

by:lucavilla
ID: 24026753
nobus, because it doesn't specify it.  Try for example for "Microsoft IntelliMouse Explorer 3.0".  Can you exclude that is 2.0?
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Author Comment

by:lucavilla
ID: 24026786
Ok, let's say that I find "Requirements: USB 1.1".
How do I understand if, in case it finds 2.0 hw, it uses 1.1 or 2.0?
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LVL 92

Expert Comment

by:nobus
ID: 24027079
ok - i see what you mean
if it says 1.1 is required, it means that you must at least have that, and if it is usb2 capable ; it will use that
for your cable, you can use an active cable , to get farther :  http://www.maplin.co.uk/searchtemplate.asp?criteria=USB%20EXTENSION%20CABLE%2010M

or an optical one :  http://industrialcomponent.com/opticis/opm210010.html
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Accepted Solution

by:
lucavilla earned 0 total points
ID: 24041539
no solution
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LVL 92

Expert Comment

by:nobus
ID: 24047049
maybe this helps :  http://safelyremove.com/?pid=1
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Author Comment

by:lucavilla
ID: 24049173
nobus, interesting program but I read this guide page http://safelyremove.com/fullFeaturesList.htm?main_p and there's no screenshot nor text that make me think that it tells what version of USB the device uses
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LVL 92

Expert Comment

by:nobus
ID: 24050389
i have asked the author if it does list if the device is usb1 or 2
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Author Comment

by:lucavilla
ID: 24051749
Thanks nobus. Please update me if it answers positively..
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LVL 92

Assisted Solution

by:nobus
nobus earned 250 total points
ID: 24051866
he was interested :  Currently the program doesn't show this, but we may consider adding this feature.
He even asked me where to put the info (i helped him translate his program  before)
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Author Comment

by:lucavilla
ID: 24063816
Wow, thanks nobus for the good news!

I propose to close this question splitting the points to my "no solution" and your last message, for future reference.
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Author Comment

by:lucavilla
ID: 24067145
I will wait for the update of the "USB Safely Remove" program and will see if it has the feature
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LVL 92

Expert Comment

by:nobus
ID: 24067608
i'll leave this q in my inbox, and when i receive an update from the maker - i'll post here
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LVL 92

Expert Comment

by:nobus
ID: 24068016
todays answer :  We will consider this feature to add in new versions. Probably not into the quick menu but into a hint for a device or into a Technical Information tab of device properties.
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Author Comment

by:lucavilla
ID: 24068034
Thanks nobus. I hope that he will pass from "considering" to "doing"  :)
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