Service Manual Chapter4. Control Electronics
© 2016
Nautilus Hyosung Inc.
All Rights Reserved.
4-9
► Headers
1. USB Port Connector/Headers (9-pin): USB2/USB3
The USB2, USB3 is for internal connecting USB device directly. The USB2 header is
used for connecting the additional USB port plug. By attaching an option USB cable,
your can provided with two additional USB port plug. By attaching an option USB
cable, your can be provided with two additional USB Plugs affixed to the back panel.
2. Speaker connector: SPEAK
This 4-pine connector connects to the case-mounted speaker. See the figure below.
3. IDE Activity LED: IDE LED
This connector connects to the hard disk activity indicator light on the case.
4. Reset switch lead: RESET
This 2-pin connector connects the case-mounted reset switch for rebooting your
computer without having to turn off your power switch. This is a preferred method of
rebooting in order to prolong the lift of the system' power supply.
5. Power LED : PWR-LED
The power LED is light on while the system power is on. Connect the power LED
from the system case to this pin.
6. Power switch : PWR BTN
This 2-pin connector connects to the case-mounted power switch to power ON/OFF
the system.