Integrated Audio - NEC POWERMATE PROFESSIONAL 9000 Service Manual

1-30 Technical Information
The Accel Eclipse II AGP graphics board supports the following resolutions, colors, and
refresh rates for systems with 32 MB of video memory (see Table 1-14).
Table 1-14 AccelECLIPSE II Supported
Screen Maximum
Resolution Color DB
640 x 480 16.7 million
(24-bit)
800 x 600 16.7 million
(24-bit)
1024 x 768 16.7 million
(24-bit)
1280 x 1024 16.7 million
(24-bit)
DB = Double-buffered

Integrated Audio

The system board's audio subsystem features the Crystal CS4236B chip, an audio codec
with an integrated FM synthesizer. The audio subsystem provides all the digital audio and
analog mixing functions needed for recording and playing sound on personal computers.
Audio features include the following:
T
Stereo analog-to-digital and digital-to-analog converters
T
Analog mixing, anti-aliasing, and reconstruction filters
T
Line and microphone level inputs
T
ADPCM, A-law, or law digital audio compression/decompression
T
Full digital control of all mixer and volume control functions
T
High-quality, 16-bit, MPC-II compliant onboard audio
T
Full duplex operation
T
AdLib™, Sound Blaster Pro™ 2.0, Windows Sound System
support
T
Full DOS games compatibility
T
MIDI/Game port support
T
OPL3 compatible FM synthesizer
T
BIOS Setup-based enable/disable
T
Onboard Crystal CS9236 Wavetable Music Synthesizer (optional).
Z-Buffer Stencils
24-bit 4-bit
24-bit 4-bit
24-bit 4-bit
24-bit 4-bit
Display Modes
Texture Overlay DB
16 MB Yes
16 MB Yes
16 MB Yes
16 MB Yes
®
, and MPU-401