I have found the driver, downloaded it, but could not unzip it, kindly advise

Support Information:
Device Type: Sound Card
Manufacturer: intel
Model: 82801BA/BAM AC'97
Interface: PCI / ISA
Operating System: Windows XP Professional
Age of Device: < 2 years old
FCCID:

Find it on DriverGuide (http://members.driverguide.com/index.php?action=srch&sm=b&aax=&qa6=&qa5=19&qa7=1500&dp=2&qm0=82801BA%2FBAM+AC%2797&jmd=and&fzz=d) | Find it with Google (http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=intel+Sound+Card+intel+82801BA%2FBAM+AC%2797+Win dows+XP+Professional+)

and that would be what from where? Perhaps you should download, install, then run the following software that might help you as well as us. Repost with a copy & paste of the SUMMARY.

To find make and model of pc hardware, EVEREST Home Edition is a free system diagnostics, system information program that will id most hardware onboard a mb.

http://www.softpedia.com/get/System/System-Info/Everest-Home-Edition.shtml

Run the program and then:

Click on Computer
Click on Summary
Right hand window (hardware) if the text is blue this is a link to the web site for that particular hardware.