17 : Chassis Intrusion Headers
18 : Front Panel Audio Header
19 : Digital Input / Output Default Value
Setting
1-2 : +5V
2-3 : GND
20 : PWR LOSS Header
Short: Power Loss
Close: no Power Loss
21 : Audio Jacks
Blue - Line In
Green - Line Out
Pink - Mic In
22 : Top: RJ45 LAN Port
Bottom: USB2.0 (USB4_5)
23 : Top: USB2.0 (USB2_3)
Bottom: HDMI
24 : USB3.0 (USB0_1)
A
T
X
P
W
R
1
D
D
R
3
_
A
1
(6
4
b
it
,
2
4
0
-p
in
m
o
d
u
le
)
D
D
R
3
_
B
1
(6
4
b
it
,
2
4
0
-p
in
m
o
d
u
le
)
PCI1
PCIE1
1
HD_AUDIO1
COM4
1
CMOS
Battery
HDLED RESET
PLED PWRBTN
PANEL1
1
Super
I/O
CLRCMOS1
1
BIOS
Chip
CPU_FAN1
CPU_FAN2
USB6_7
1
USB8_9
1
1
CI1
1
CI2
JGPIO_PWR1
1
PWR_JP1
1
1
LPT1
BUZZ1
1
JGP IO1
1
2
3
4
5
6
7
9
10
11
8
12
13
14
16
15
17
18
19
20
21
22
23
24
RoHS
IMB-785
Top:
LAN
USB 2.0
T: USB4
B: USB5
USB 2.0
T: USB2
B: USB3
H
D
M
I
T
o
p
:
L
in
e
In
C
e
n
te
r:
L
in
e
O
u
t
B
o
tt
o
m
:
M
ic
In
C
O
M
2
V
G
A
1
C
O
M
1
P
S
2
K
e
y
b
o
a
rd
/M
o
u
s
e
D
IS
P
L
A
Y
1
PCI3
PCI4
ATX12V1
AUDIO
CODEC
PCIE3
CHA_FAN1 CHA_FAN2
COM3
1
COM6
1
COM5
1
S
A
T
A
_
4
S
A
T
A
_
0
S
A
T
A
_
5
S
A
T
A
_
1
USB 3.0
T: USB0
B: USB1
PCI2
TPM1
1
26
1
PWR_LOSS1
25
JGPIO_SET1
1
PIN
RS232
RS422
RS485
1
DCD, Data Carrier Detect
TX-
RTX-
2
RXD, Receive Data
RX+
N/A
3
TXD, Transmit Data
TX+
RTX+
4
DTR, Data Terminal Ready
RX-
N/A
5
GND
GND
GND
6
DSR, Data Set Ready
N/A
N/A
7
RTS, Request To Send
N/A
N/A
8
CTS, Clear To Send
N/A
N/A
9
No Power/+5V/+12V
N/A
N/A
25 : Top: COM2 (RS232/422/485)*
Bottom: VGA1
26 : Top: COM1 (RS232/422/485)*
Bottom left: Display1
Bottom right: PS/2 Keyboard/Mouse
* 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 page 30 of our
user manual for details.
COM1~2 Port Pin Definition
+5
VSB_ATX
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