Support Information:
Device Type: Sound Card
Manufacturer: C-Media
Model: 18738
Interface: IDE
Operating System: Windows 2000 Server
Age of Device: < 2 years old
FCCID:

Find it on DriverGuide (http://members.driverguide.com/index.php?action=srch&sm=b&aax=&qa6=223&qa5=19&qa7=1702&dp=2&qm0=18738&jmd=and&fzz=d) | Find it with Google (http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=C-Media+Sound+Card++18738+Windows+2000+Server+) | Research manufacturer C-Media (http://members.driverguide.com/index.php?action=getinfo&companyid=223)

There is no C-Media 18738. Try cmi 8738.

http://www.download.com/C-Media-CMI8738-WDM-Driver-Windows-2000-/3000-2120-10518544.html?part=dl-CMediaCMI&subj=dl&tag=button

and it does not have a IDE interface. My bet would be PCI or integrated on the motherboard.

You can also find this driver on driverguide.com

http://members.driverguide.com/driver/detail.php?driverid=74967

http://members.driverguide.com/driver/detail.php?driverid=88771

http://members.driverguide.com/driver/detail.php?driverid=144750