Nuvo-4000 Series User’s Manual
Copyright © 2014 Neousys Technology Inc. All Right Reserved.
Page 20 of 76
Pin#
Definition
Description
1
WDT_LED-
[Output]
Watchdog timer indicator, flashing when
watchdog timer is started.
2
3
UID_LED-
[Output]
User defined LED, reserved for future usage
4
5
HDD-
[Output]
Hard drive indicator, flashing when SATA hard
drive is active.
6
HDD+
7
Power_LED-
[Output]
System power indicator, on if system is turned
on, off if system is turned off.
8
Po
9
Ctrl-
[Input]
Remote on/off control, connecting to an external
switch to turn on/off the system. (polarity is negligible).
10
Ctrl+
11
NA
Un-used pin
12
NA
Note
Please make sure the polarity is correct when you connect the external LED indicator to the Status
LED Output.
2.3.2 Internal USB2.0 Pin Header
Nuvo-4000 provides additional two USB 2.0 ports internally via a 2x8 pins, 2.0mm pitch box
header. The internal USB ports are designed to allow users attaching a protection dongle
inside the chassis. To use the internal USB port, you need a dedicated box-header to USB
cable. Please contact Neousys for further information