I have win XP home Serv. pack 2 i have the system info on the device from system information below if it helps at all. also i tried the first link in the second post for drivers with no luck.

Name C-Media AC97 Audio Device
Manufacturer C-Media
Status OK
PNP Device ID PCI\VEN_1039&DEV_7012&SUBSYS_030013F6&REV_A0\3&61A AA01&0&17
I/O Port 0x0000DC00-0x0000DCFF
I/O Port 0x0000D800-0x0000D83F
IRQ Channel IRQ 10
Driver c:\windows\system32\drivers\cmuda.sys (5.12.01.0051.3 (73), 1.31 MB (1,373,120 bytes), 11/22/2006 2:13 PM)