Mouse; Multimedia Components; Integrated Audio; Six-Speed Cd-Rom - NEC POWERMATE P - SERVICE MANUAL 1996 Service And Reference Manual

1-18 Technical Information

MOUSE

A PS/2-compatible mouse is standard equipment for the system. The mouse has a self-
cleaning mechanism that prevents a buildup of dust or lint around the mouse ball and
tracking mechanism. The mouse's six-pin connector plugs into the rear of the system. The
mouse connector pin assignments are given in Appendix A.

MULTIMEDIA COMPONENTS

Systems configured for multimedia come with audio integrated on the system board, a six-
speed CD-ROM reader, a 20-watt speaker set, and a microphone. The following briefly
describes each. Information on setting up and operating the speakers, microphone, and
CD-ROM reader is in Section 2, Setup and Operation.

Integrated Audio

Multimedia systems come with audio components integrated on the system board. Non-
multimedia systems do not have the audio components on the system board. The audio
components include an OPTi 82C930 Sound Blaster-compatible chip, a Yamaha OPL3 FM
synthesizer chip, and an SRS Labs Sound Retrieval System
features the following:
n
built-in 16-bit 128x oversampling Sigma-Delta Stereo Codec with 85dB S/N ratio
n
built-in five-channel 16/32 step MPC compatible stereo mixer with master volume
and sample rates up to 48 Hz stereo
n
dual DMA channel and built-in FIFOs for full duplex simultaneous playback and
record in 16-bit stereo
n
WaveBlaster upgradeable for Wavetable synthesis
n
3D sound effects
n
20 voice FM synthesis.
The integrated components are compatible with the Sound Blaster™ board and the
®
Microsoft Windows Sound System™ board. The components work with the pre-installed
Voyetra Multimedia Sound software.

Six-Speed CD-ROM

The IDE six-speed CD-ROM reader is pre-installed as drive E on multimedia
configurations. The reader can be used to load programs from a CD or it can be used to
play audio CDs. The reader operates at different speeds depending on whether the CD
contains music or data. The reader is fully compatible with Kodak Multisession Photo
CDs™ and standard CDs. The reader is connected to the secondary IDE/PCI port.
®
. The system's integrated audio