2. Copy all USB files from CD to HDD.
1. Copy all test drivers to %windir%\driver cache\i386.
2. Copy all test drivers to %windir%\system32\dllcache You need to copy file to this directory first. Otherwise,
Windows XP will replace file from this directory to system32\drivers.
3. Copy all test drivers to %windir%\system32\drivers.
3. Check USB driver version again.
1. USBEHCI.SYS - 3/20/2002.
2. USBPORT.SYS - 3/20/2001.
3. USBHUB.SYS - 3/20/2001.
Test USB20 HDD with restart for 10 times. The USB 20 HDD can detection with any problem for all 10 times.