Keyboard; Mouse; Multimedia Components; Integrated Audio - NEC POWERMATE V Service Manual

KEYBOARD

The PS/2-style 104 key keyboard is standard equipment for the system. The keyboard
provides a numeric keypad, separate cursor control keys, and 12 function keys, capable of
up to 48 functions. Status lamps on the keyboard indicate: Num (Numeric) Lock, Caps
(Capital) Lock, and Scroll Lock key status. The keyboard's six-pin connector plugs into the
rear of the system. The keyboard connector pin assignments are given in Appendix A.

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 CD-
ROM reader, a 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:
T
built-in 16-bit 128x oversampling Sigma-Delta Stereo Codec with 85dB S/N ratio
T
built-in five-channel 16/32 step MPC compatible stereo mixer with master volume
and sample rates up to 48 Hz stereo
T
dual DMA channel and built-in FIFOs for full duplex simultaneous playback and
record in 16-bit stereo
T
WaveBlaster upgradeable for Wavetable synthesis
T
3D sound effects
T
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
audio software.
Technical Information
®
. The system's integrated audio
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