mine is Microsoft Windows XP Professional Version 2002 Service Pack 3. pls help me retrieve back my audio..i tried system restore and it doesnt work...
heres my summary of motherboard:

--------[ EVEREST Home Edition (c) 2003-2005 Lavalys, Inc. ]------------------------------------------------------------

Version EVEREST v2.20.405
Homepage Computer Diagnostics & Network Audits Software | Lavalys.com
Report Type Quick Report
Computer APPLE (Apple's MacBook)
Generator Owner
Operating System Microsoft Windows XP Professional 5.1.2600 (WinXP Retail)
Date 2011-07-04
Time 10:42


--------[ Summary ]-----------------------------------------------------------------------------------------------------

Computer:
Operating System Microsoft Windows XP Professional
OS Service Pack Service Pack 3
DirectX 4.09.00.0904 (DirectX 9.0c)
Computer Name APPLE (Apple's MacBook)
User Name Owner

Motherboard:
CPU Type Mobile DualCore Intel Pentium M, 1833 MHz (11 x 167)
Motherboard Name Apple Computer, Inc. Mac-F4208CC8
Motherboard Chipset Intel Calistoga i945GM/PM
System Memory 736 MB (DDR2-667 DDR2 SDRAM)
BIOS Type Insyde (07/29/05)

Display:
Video Adapter Mobile Intel(R) 945 Express Chipset Family (128 MB)
Video Adapter Mobile Intel(R) 945 Express Chipset Family (128 MB)
Monitor Plug and Play Monitor [NoDB]
Monitor Plug and Play Monitor [NoDB]
Monitor Plug and Play Monitor [NoDB]

Multimedia:
Audio Adapter Intel 82801GBM ICH7-M - High Definition Audio Controller

Post edited - Dan Penny

Welcome to D-A-L.

I have the exact same sound device. I use this;
IDT High Definition Audio CODEC - Free software downloads and software reviews - CNET Downloads

I'll edit your post to remove the unnecessary info.