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24 : Digital Input / Output Power Select
(JGPIO_PWR1)
1-2 : +12V
2-3 : +5V
25 : Digital Input / Output Default Value Setting
(JGPIO_SET1)
1-2 : Pull-High
3 2 1
2-3 : Pull-Low
26 : LPC Header
27 : PWR_BAT1
Open : Normal
Short : Charge Battery
+5V
28 : SPDIF Header
29 : SIO_AT1
Open : ATX Mode
Short : AT Mode
30 : 3W Audio AMP Output Wafer
Signal
Signal
Signal
PIN
PIN
PIN
Name
Name
Name
1
OUTLN
2
OUTLP
3
OUTRP
31 : Front Panel Audio Header
32 : Audio Output
Green - Line Out
Pink - Mic In
34 : Top : RJ45 LAN Port (LAN2)
Bottom : USB2.0 Ports (USB2_5_6)
36 : Top : RJ45 LAN Port (LAN1)
Bottom : USB3.2 Gen1 Ports (USB3_1_2)
37 : Top : DisplayPort (DP1)
Bottom : HDMI Port (HDMI)
38 : Top : COM Port (COM3) (RS232)
Bottom : D-Sub Port (VGA1)
39 : Top : COM Port (COM1) (RS232/422/485)*
Bottom : COM Port (COM2) (RS232/422/485)*
* This motherboard supports RS232/422/485 on COM1, 2 ports.
Please refer to below table for the pin definition. In addition, COM1, 2
ports (RS232/422/485) can be adjusted in BIOS setup utility >
Advanced Screen > Super IO Configuration. You may refer to our
user manual for details.
PIN
1
1
Signal
PIN
Name
4
OUTRN
OUT_RET
OUT2_L
J_SENSE
MIC_RET
OUT2_R
PRESENCE#
MIC2_R
GN D
MIC2_L
1
COM1, 2 Port Pin Definition
RS232
RS422
1
DCD
TX-
2
RXD
RX+
3
TXD
TX+
4
DTR
RX-
5
GND
GND
6
DSR
N/A
7
RTS
N/A
8
CTS
N/A
9
+5V / +12V
N/A
M.2 Socket Pin Definition
33 : M.2 Key-M Socket (M2M1)
RS485
RTX-
N/A
RTX+
N/A
GND
N/A
N/A
N/A
N/A
35 : M.2 Key-E Socket (M2E1)
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