SPECIAL CONSIDERATIONS FOR USB iButton ADPATER
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1) Unplug any 1-Wire USB devices during installation to allow the device driver to be updated.

2) If a 1-Wire USB device has previously been used on the PC, then a RE-BOOT must be done after
   installation to recognize the new device driver.

3) If the PC has never had a 1-Wire USB device on it, then plug it in right after installation 
   to complete the USB install. If it is not recognized, then RE-BOOT and try again.

4) If auto-detect can not locate the USB device driver (DS2490.SYS), then browse to it in
   <windows>\system32\drivers.
