Power Supply; Keyboard; Mouse; Speakers - NEC POWERMATE PROFESSIONAL - SERVICE MANUAL 05-1997 Service Manual

1-22 Technical Information
Audio Connector

POWER SUPPLY

The power supply is mounted inside the system unit. It supplies power to the system board,
option boards, diskette drives, hard disks, keyboard, and mouse. A fan inside the power
supply provides system ventilation. The power supply provides 200 watts. Connector
locations are shown in Appendix A.

KEYBOARD

The Chicony-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 panel of the system.

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 panel of the system.

SPEAKERS

Systems come with a high-quality stereo 8-watt speaker set, an AC adapter, and connecting
wires. The speaker set features a volume control, power on/off switch, power lamp, and a
headphone jack. Volume is controlled from the speaker or from the sound application
software. The speaker set connects to the sound board's line out jack on the back of the
system.
Master
(default)
IDE Connector
Figure 1-5 CD-ROM Jumper Settings
Power Connector