NEC PowerMate V486 Series Manual page 241

Sound Board (multimedia models)
Creative Labs 16-bit audio card with a Panasonic/Creative
CD-ROM interface; fully Adlib and Sound Blaster
compatible
Music Synthesizer
Enhanced FM OPL3 music chip using four operators
Compatible with previous Sound Blaster and Adlib FM
chip
11 voices with 4 operators or 20 voices with 2 operators
FM synthesis
Stereo Digitized Voice Channel
16-bit and 8-bit digitizing in stereo and mono modes
Programmable sampling rate, 5 kHz to 45 kHz in
228 steps
16-bit and 8-bit DMA channels using a single interrupt
Dynamic filtering for digital audio recording and
playback
Built-in Mixer
Mixes sources from digitized voice, CD audio and
inputs from MIDI device, line-in, microphone and PC
speaker
Selectable input source or mixing source of various
audio sources for recording
Automatic gain control amplifier/fixed gain amplifier for
microphone level
Volume Control
Software volume control of master volume, digitized
voice, CD-audio and inputs from MIDI device, line-in,
microphone, and PC speaker
PC speaker at 4 levels in 6 dB steps
All other sources at 8 levels
B-6 Specifications