28 : Buzzer
29 : USB2.0 Header (USB_6_7)
30 : USB2.0 Header (USB_8_9)
31 : USB2.0 Header (USB_10_11)
32 : USB2.0 Connector (USB12)
33 : TPM Header
34 : Front Panel Audio Header
35 : Audio Jacks
Green - Line Out
Pink - Mic In
36 : Top : RJ45 LAN Port
Bottom : USB2.0 (USB45)
37 : Top : RJ45 LAN Port
Bottom : USB2.0 (USB23)
38 : 3-Pin Chassis FAN Connector (+12V)
39 : Top : COM2*
Bottom left: HDMI2**
Bottom right: HDMI1
** HDMI2 is for IMB-A160-H only
40 : mini-PCIE Slot
41 : Top : COM1*
Bottom : VGA1
42 : Top : USB2.0 (USB01)
Bottom : PS/2 Keyboard/Mouse
18 : mini SATA Slot
19 : 4-Pin CPU FAN Connector (+12V)
20 : ATX 12V Power Connector
21 : SATA Power Connector
22 : SATA3_2 Connector
23 : SATA3_4 Connector
24 : SATA3_1 Connector
25 : SATA3_3 Connector
26 : System Panel Header
27 : Digital Input / Output Pin Header
D
D
R
3
_
A
1
D
D
R
3
_
A
2
1
LVDS1
COM1
VGA1
COM2
HDMI2
HDMI1
RJ-45
USB 2.0
T: USB3
B: USB2
RJ-45
USB 2.0
T: USB5
B: USB4
PCIE1
AUDIO
CODEC
LAN
LAN
ATX12V1
BUZZ1
C
M
O
S
B
a
tt
e
ry
CPU_FAN1
LPT1
1
CLRCOMOS1
1
32Mb
BIOS
PANEL 1
H
D
L
E
D
R
E
S
E
T
P
L
E
D
P
W
R
B
T
N
1
S
A
T
A
3
_
1
S
A
T
A
_
3
2
S
A
T
A
3
_
3
S
A
T
A
_
3
4
CHA_FAN1
J
P
W
R
1
Designed in Taipei
BLT_VOL1
1
BLT_PWR2
1
SPEAKER_OUT1
1
COM4
COM3
COM5
COM6
1
1
1
USB_6_7
USB_8_9
USB_10_11
USB12
1
D IO1
1
H
D
_
A
U
D
IO
1
BKT_PWR1
1
1
PNL_PWR1
SET_CM2
1
1
SET_CM1
1
SET_CM4
1
SET_CM3
M
IN
I_
P
C
IE
1
M
_
S
A
T
A
1
IMB-A160
18
21
23
26
32
27
29 30 31
38
19
20
22
24
25
28
33
34
35
36
37
39
40
41
42
USB 2.0
T: USB1
B: USB0
PS2
Keyboard
/Mouse
T
O
P
:
L
in
e
O
u
t
B
o
tt
o
m
:
M
ic
In
1
TPM1
DUMMY
GND
GND
+B
-B
USB_PWR
+A
-A
USB_PWR
1
1
GND
+12V
GND
+5V
PIN Signal Name PIN Signal Name
1
SIO_GP04
2
SIO_GP00
3
SIO_GP05
4
SIO_GP01
5
SIO_GP06
6
SIO_GP02
7
SIO_GP07
8
SIO_GP03
9
+5V
10
GND
GND
RESET#
PWRBTN#
PLED-
PLED+
GND
HDLED-
HDLED+
1
GND
* 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
42 of our user manual for details.
COM1, 2 Port Pin Definition
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
