In Windows XP, registry stores certain values about the USB Storage device usages in it. Moreover the Setupapi.log which can be found in the windows folder can also give you many details about the USB usage:-


Check for this keyname in the Registry.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\USBSTOR
If its there, export it to your computer in a log or text form.
Now you have all the information that you need.

Check the screenshot below:-