MANO881 Series All-In-One Mini ITX Board
Board and Pin Assignments
13
2.4.5
PS/2 Keyboard and Mouse Connector (PS2_KB_MS1)
This is an interface for PS/2 keyboard and mouse.
2.4.6
RS-232 Port Wafers (COM4~COM6)
COM4/COM5/COM6:
2.4.7
Fan Connectors (CPU_FAN1 and CHA_FAN1)
Fans are always needed for cooling down CPU and system temperature. This
motherboard has two fan connectors.
The CPU_FAN1 is for CPU fan interface. Please connect the CPU fan cable to the
connector and match the black wire to the ground pin.
Note
Though this motherboard provides 4-pin CPU
fan (Quiet Fan) support, the 3-pin CPU fan still
can work successfully even without the fan
speed control function. If you plan to connect
the 3-pin CPU fan to the CPU fan connector on
this motherboard, please connect it to pin 1~3.
Pin
Signal
1
KBCLK
2
+5V
3
KBDATA
4
+5V
5
MSDATA
6
GND
7
MSCLK
8
GND
Pin Signal
Pin
Signal
1
DCD
6
DSR
2
RXD
7
RTS
3
TXD
8
CTS
4
DTR
9
No Power/+5V/+12V
5
GND
10
NC
Pin
Signal
1
GND
2
+12V
3
CPU_FAN_SPEED
4
FAN_SPEED_CONTROL
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