Support Information:
Device Type: Sound Card
Manufacturer: ess tech
Model: es1980s
Interface: PCI / ISA
Operating System: DOS
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=0&dp=2&qm0=es1980s&jmd=and&fzz=d) | Find it with Google (http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=ess+tech+Sound+Card+ess+tech+es1980s+DOS+)

Not supported in DOS, only in Windows: http://www.esstech.com/techsupp/drivers.shtm#combo

it works in dos. install the win95/98 vxd drivers from esstech website then rip the 3 essaudio.* files installed in root of c:\.

here's how i did it:

http://dos.skillreactor.org/viewtopic.php?t=811