User`s manual

MANO873 Series All-In-One Mini ITX Board
Board and Pin Assignments 19
2.4.11 FAN Connectors (FAN1 and FAN2)
Fans are always needed for cooling down CPU and system temperature. The board has
two fan connectors. You can find fan speed option(s) at BIOS Setup Utility if either fan is
installed. For further information, see BIOS Setup Utility: Advanced\HW Monitor\PC
Health Status.
CPU fan interface is available through FAN1, see table below.
System fan interface is available through FAN2, see table below.
2.4.12 Front Panel Connector (JP6)
Power LED
Pin 1 connects anode(+) of LED and pin 5 connects cathode(-) of LED. The power LED
lights up when the system is powered on. The pin 3 is defined as GND.
External Speaker and Internal Buzzer
Pin 2, 4, 6 and 8 connect the case-mounted speaker unit or internal buzzer. While
connecting the CPU board to an internal buzzer, please set pin 2 and 4 closed; while
connecting to an external speaker, you need to set pins 2 and 4 opened and connect the
speaker cable to pin 8(+) and pin 2(-).
Pin
Signal
1
GND
2
+12V level
3
Rotation detection
4
Speed control
Pin
Signal
1
GND
2
+12V level
3
Rotation detection
Pin
Signal
1
PWRLED+
2
EXT SPK-
3
GND
4
Buzzer
5
PWRLED-
6
N.C.
7
N.C.
8
EXT SPK+
9
PWRSW-
10
PWRSW+
11
HW RST-
12
HW RST+
13
HDDLED-
14
HDDLED+