[911pchelp]

My PC is quite old (7 years .... a Dell Dimension 4300 running XP SP2) and since I had a system 'meltdown' which was corrected - I hope - (http://www.geekstogo...rr-t228431.html) the USB 2 connection seems to be slow. My imagination ? -- probably.

The machine originally had only USB1 but I added a card to get USB2.

Devices I connect (flash drives and mp3 player) to the USB2 'port' seem to take longer to transfer data than before the 'meltdown' occurred but the Device Manager says there is a USB Enhanced Controller and there is a physical connection to it.

Is there any way to measure the difference in speeds between the USB1's and USB2 'lines'?

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While there are, there are no programs. There are hardware devices that can be plugged in to test the ports.
Such as this: http://www.passmark....sb2loopback.htm
They are pricey @ $50.

All the other ways tend to be limited by the device in someway. If you transfer to a flash drive and the speed is greater than 2MB/sec then you are using USB2.0, as USB 1.0 is 11.0Mb (note the little b = bit, 8 bits = 1 byte byte is denoted B) and 2MB/sec is 16Mbit/sec.

[PedroDaGR8]

While there are, there are no programs. There are hardware devices that can be plugged in to test the ports.
Such as this: http://www.passmark....sb2loopback.htm
They are pricey @ $50.

All the other ways tend to be limited by the device in someway. If you transfer to a flash drive and the speed is greater than 2MB/sec then you are using USB2.0, as USB 1.0 is 11.0Mb (note the little b = bit, 8 bits = 1 byte byte is denoted B) and 2MB/sec is 16Mbit/sec.

[123Runner]

Have you tried repairing the connection?

[PedroDaGR8]

Ummm 123 how do you repair a connection for a USB port?