Driver installation

[Sainarts]

Hello...

i have installed mac os x 10.5.5 on my intel pc, but sounds are not working...i am new for mac os x...
os is working fine just drivers are not working..

i need to know that

can i install drivers on installed mac os x or i need to install it again?
can i install drivers from my available intel mother board cd? if yes how can i install it?
how to identify my hardware devices installed or not installed on mac os x?
is there any software to convert exe files to dmg format?

[David Munch]

This board is about Vienna, not general Mac help. I suggest you go to Macnn.com.