Lenovo 4304493 - Manual (Page 28)

Duplicate Sound Functions
With Windows 95, other sound functions installed in your computer
do not interfere with the stereo model sound function.
If you have other sound functions but want to use the stereo model
sound function, open Multimedia in the Control Panel, and specify the
following:
Playback 20X Max Audio Driver
Recording 20X Max Audio Driver
MIDI Internal ESS ESFM Synthesize
Part 2: User's Guide 2-17