24 : 3W Audio AMP Output Wafer
25 : Front Panel Audio Header
26 : USB Power Setting Jumpers
USB2_PWR4_5 (For USB2_4_5)
USB2_PWR6_7 (For USB2_6_7)
USB3_PWR2_3 (For USB3_2_3 on
the rear I/O)
1-2 : +5V
2-3 : +5VSB
27 : Audio Output: Green – Line Out
28 : Chassis Intrusion Headers
CI1 :
Close : Active Case Open
Open : Normal
Cl2 :
Close : Normal
Open : Active Case Open
29 : 2-Pin Buzzer Header
30 : USB3.0 Ports (USB3_2_3)
31 : LAN Port (LAN2)
33 : LAN Port (LAN1)
20 : Digital Input / Output Pin Header
(JGPIO1)
21 : USB2.0 Connectors
(USB2_4_5,
USB2_6_7)
22 : COM1 Pin9 PWR Setting Jumpers
(SET_CM3, 4, 5, 6)
1-2 : +5V
2-3 : +12V
23 : COM3, 4, 5, 6 Headers
1
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
1
SPK L-
2
SPK L+
3
SPK R+
4
SPK R-
32 : M.2 Key-M Socket
34 : M.2 Key-E Socket
35 : VGA Port (VGA1)
36 : HDMI Port (HDMI1)
* The thermal solution of whole system
needs to be designed additionally.
1
Signal
GND
PIN
RS232
RS422
RS485
1
DCD
TX-
RTX-
2
RXD
RX+
N/A
3
TXD
TX+
RTX+
4
DTR
RX-
N/A
5
GND
GND
GND
6
DSR
N/A
N/A
7
RTS
N/A
N/A
8
CTS
N/A
N/A
9
NA/+5V/+12V
N/A
N/A
* This motherboard supports RS232/422/485 on COM3 port. Please refer to below
table for the pin definition. In addition, COM3 port (RS232/422/485) can be adjusted
in BIOS setup utility > Advanced Screen > Super IO Configuration. You may refer to
our user manual for details.
COM3 Port Pin Definition
2
1
PIN
Signal
Name
PIN Signal
Name PIN
Signal
Name PIN
Signal
Name
PIN Signal Name
1
DDCD#
3
TTXD
5
GND
7
RRTS#
9
COM_PWR
2
RRXD
4
DDTR#
6
DDSR#
8
CCTS#
10
DUMMY
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
PIN
Signal
Name
PIN Signal Name
2 SIO_GP30 4 SIO_GP31 6 SIO_GP32 8 SIO_GP33 10
GND
1 SIO_GP34 3 SIO_GP35 5 SIO_GP36 7 SIO_GP37 9
JGPIO_PWR
DUMMY
GND
GND
P+
P-
USB_PWR
P+
P-
USB_PWR
1
J_SENSE
OUT2_L
1
MIC_RET
PRESENCE#
GND
OUT2_R
MIC2_R
MIC2_L
OUT_RET
1
+5V
SPKR
