Mr. Popman,
Tried your configuration and it worked as well. Thank You! Here is my ioreg.
ioreg | grep ati
| | | +-o UHCI Root Hub Simulation@1A <class IOUSBRootHubDevice, id 0x10000026b, registered, matched, active, busy 0 (2 ms), retain 13>
| | | +-o UHCI Root Hub Simulation@1A,1 <class IOUSBRootHubDevice, id 0x100000271, registered, matched, active, busy 0 (2 ms), retain 11>
| | | +-o UHCI Root Hub Simulation@1A,2 <class IOUSBRootHubDevice, id 0x100000270, registered, matched, active, busy 0 (2 ms), retain 11>
| | | +-o EHCI Root Hub Simulation@1A,7 <class IOUSBRootHubDevice, id 0x100000237, registered, matched, active, busy 0 (6 ms), retain 9>
| | | +-o UHCI Root Hub Simulation@1D <class IOUSBRootHubDevice, id 0x100000294, registered, matched, active, busy 0 (2 ms), retain 9>
| | | +-o UHCI Root Hub Simulation@1D,1 <class IOUSBRootHubDevice, id 0x10000028d, registered, matched, active, busy 0 (2 ms), retain 9>
| | | +-o UHCI Root Hub Simulation@1D,2 <class IOUSBRootHubDevice, id 0x10000027e, registered, matched, active, busy 0 (2 ms), retain 9>
| | | +-o EHCI Root Hub Simulation@1D,7 <class IOUSBRootHubDevice, id 0x10000023d, registered, matched, active, busy 0 (5 ms), retain 9>
| +-o IOAccelerationUserClient <class IOAccelerationUserClient, id 0x1000003f2, !registered, !matched, active, busy 0, retain 5>
THIS FAILED AFTER SEVERAL REBOOTS. WHY I DONT KNOW?