18 : Digital Input / Output Power Select
(JGPIO_SET1)
1-2 : +5V
2-3 : GND
19 : LPC Header
20 : Digital Input / Output Power Select
(JGPIOPWR) (JGPIO_PWR1)
1-2 : +12V
2-3 : +5V
3-4 : +5V
4-5: GND
21 : Chassis Intrusion Headers
(CI1, CI2)
Short : Active Case Open
Open : Normal
22 : System Panel Header
23 : COM Port Headers (COM2, 3, 4, 5, 6)
(RS232)
25 : Clear CMOS Headers
CLRMOS1 :
1-2 : Normal
2-3 : Clear CMOS
CLRMOS2 :
1-2 : +BATT
2-3 : +3VSB_A
26 : SATA3 Connectors (SATA3_1 ~ SATA3_6)
(SATA3_6 is share with mini-SATA)
27 : USB 2.0 Headers (USB2_4_5, USB2_6_7,
USB2_9_10)
29 : Buzzer (BUZZ2)
30 : Front Panel Audio Header
31 : 3W Audio AMP Output Wafer
32 : ATX/AT Mode Jumper (PWR_JP1)
1-2 : AT Mode
2-3 : ATX Mode
33 : Audio Jacks
Blue - Line In
Green - Line Out
Pink - Mic In
34 : Top : RJ45 LAN Port (LAN2)
Bottom : USB 3.0 Ports (USB3_3_4)
36 : Top : RJ45 LAN Port (LAN1)
Bottom : USB 3.0 Ports (USB3_1_2)
37 : Top : DisplayPort (DP1)
Bottom : HDMI Port (HDMI1)
38 : ATX 12V Power Connector
39 : Top : D-Sub Port (VGA1)*
(Only for IMB-390-L)
Bottom : DVI Port (DVI1)
A
T
X
P
W
R
1
PCI1
PCI2
PCIE1
PCIE2
1
HD_AUDIO1
CMOS
Battery
HDLED RESET
PLED PWRBTN
PANEL1
1
Super
I/O
SATA3_3
SATA3_1
SATA3_2
SATA3_4
CLRMOS2
1
CPU_FAN1
USB2_4_5
1
CI2
1
CI1
Top:
RJ-45
USB 3.0
T: USB3
B: USB4
1
LVDS1
B
L
T
_
P
W
R
1
1
B
L
T
_
V
O
L
1
1
BUZZ1
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
SPEAKER1
1
V
G
A
1
*
IMB-390
P
N
L
_
P
W
R
1
1
BKT_PWR1
1
ATX12V1
AUDIO
CODEC
1
BLT_PWM1
LPC1
1
D
D
R
4
_
A
2
(6
4
b
it
,
2
8
8
-p
in
m
o
d
u
le
)
D
D
R
4
_
A
1
(6
4
b
it
,
2
8
8
-p
in
m
o
d
u
le
)
D
D
R
4
_
B
2
(6
4
b
it
,
2
8
8
-p
in
m
o
d
u
le
)
D
D
R
4
_
B
1
(6
4
b
it
,
2
8
8
-p
in
m
o
d
u
le
)
Industrial
BIOS
ROM
1
B
L
2
1
P
W
R
_
C
O
M
1
1
BL1
1
P
W
R
_
L
O
S
S
1
1
U
S
B
3
_
P
W
R
3
U
S
B
3
_
5
_
6
1
PWR_JP1
1
CHA_FAN1
m
in
i-
S
A
T
A
m
in
i-
P
C
Ie
1
L
P
T
_
G
P
IO
1
1
U
S
B
3
_
P
W
R
1
1
U
S
B
3
_
P
W
R
2
1
BUZZ2
1
USB2_PWR1
1
USB2_PWR2
USB2_6_7
1
USB2_9_10
1
1
USB2_PWR3
SATA3_5
SATA3_6
CLRMOS1
1
PWR_COM3
1
PWR_COM4
1
PWR_COM5
1
PWR_COM6
1
JGPIO_SET1
1
1
J
G
P
IO
_
P
W
R
1
1
PWR_COM2
1
C
O
M
1
P
S
2
K
e
y
b
o
a
rd
/M
o
u
s
e
D
V
I1
Top:
RJ-45
USB 3.0
T: USB1
B: USB2
H
D
M
I1
D
P
1
1 2 3
4*
5
7
8
9
10
11
6
20
19
18
17
15
14
13
12
25
24
23
22
21
34
32
31
30
29
28
27
26
33
39*
38
37
36
35
40
1
M
S
A
T
A
_
S
E
L
1
COM2
1
COM4
1
COM3
1
COM5
1
COM6
1
16
40 : Top : COM Port (COM1)
(RS232/422/485)*
Bottom : PS/2 Keyboard/Mouse Port
* This motherboard supports RS232/422/485 on COM1 port. Please
refer to below table for the pin definition. In addition, COM1 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.
COM1 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
1
GND
GND
S_PWRDWN#
LAD2
SMB_CLK_MAIN
PCICLK
PCIRST#
LAD3
+3.3V
LAD0
GND
FRAME
SMB_DATA_MAIN
LAD1
SERIRQ#
GND
+3.3V STANDBY
48MHz
+5V
1
1
Signal
GND
GND
RESET#
PWRBTN#
PLED-
PLED+
GND
HDLED-
HDLED+
1
GND
DUMMY
GND
GND
P+
P-
USB_PWR
P+
P-
USB_PWR
1
1
PIN Signal
Name PIN
Signal
Name PIN
Signal
Name
PIN Signal
Name
4
OUTRN
3
OUTRP
2
OUTLP
1
OUTLN
5 1
8 4
1
2
PIN
Signal
Name
PIN Signal
Name PIN
Signal
Name PIN
Signal
Name
PIN Signal
Name
10
N/A
8
CCTS#
6
DDSR#
4
DDTR#
2
RRXD
9
+5V
7
RRTS#
5
GND
3
TTXD
1
DDCD#
