How can I determine my current USB ports on Windowx XP (1.1 or 2.0) size?

I want to buy a flash drive, and I would like to know what size my USB ports.

It is not the size, but the speed.  If you buy a USB 2.0 flash drive, it will work on USB 1.1 or USB 2.0.

If you only have USB 1.1 ports, you will get a warning when you plug the flash drive that "this device might work more quickly if connected to a USB 2.0 port.

To determine what you

  • Open the Device Manager (start > run > devmgmt.msc > OK)
  • Click on the + to the left of the Universal Serial Bus Controllers (it's at the bottom of the list)
  • You will see one or more lines containing the words 'Host Controller'.  If neither of these lines has the words "Enhanced Host Controller", then you have at least some USB 2.0 ports.  If none of the host controllers is "strengthened", then they are all USB 1.1
  • Some older computers have a mix of USB 2.0 and USB 1.1 ports.  If you see 'Enhanced Host Controller' in the list in Device Manager, but you get the warning message when you connect a USB 2.0 device, try another port.  In particular, if you first tried a port on the front of the computer, try one in the back instead (or vice versa).

Tags: Windows

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