A. install the QFE
1. Both the USB EHCI package and the QFE (described in section 2) must be
installed.
2. Always install the QFE package first. This will prompt for a reboot.
Before you reboot,
please ensure that you have installed the EHCI Package also. Install
the USB 2.0 EHCI package using
Plug and Play INF driver installation procedures.
B. Install the USB 2.0 EHCI package
1. Click Windows [Start].
2. Click [Control Panel].
3. Double Click [System].
4. Click [Hardware] tab.
5. Click [Device Manager].
6. Right Click [Universal Serial Bus(USB) Controller] under [Other
Devices],
then click [Properties].
7. Click [Driver] tab.
8. Click [Update Driver].
9. Choose [Install from a list or specific location].
10. Click [Next].
11. Choose [Include this location in the search].
12. Click [Browse] to specify the file path where the driver is,
e.g. "X:\Drivers\USB2\XP"( X is the drive you put the support CD).
13. Click [Next].
14. Click [Finish].
I just installed those as directed and did not install SP1