I have sound, but am not able to adjust volume in 10.5.5
 

Using iATKOS 5i on eMachine T5048. Installed fresh copy of Leopard 10.5.5, sound works, but i am unable to drag/adjust the volume. Any ideas?

Try

http://code.google.com/p/voodoohda/

If nothing works for you, worst case scenario you can do something like what I had to do

http://www.infinitemac.com/f19/audio...devices-t1645/

thanks Dies, but exactly how do I install this voodoohda kext?