54 : 3-Pin Chassis FAN Connector (+12V)
55 : Top : RJ45 LAN Port 1
Bottom : USB2.0 (USB45)
56 : Top : COM2*
Bottom : VGA1
57 : Top : COM1*
Bottom left: Display1
Bottom right: PS/2 Keyboard/Mouse
40 : Front Panel Audio Header
42,44,45,47 : PCI Slots
43,46,49 : PCI Express Slots
48 : Digital Input / Output
Pin Header
50 : Audio Jacks
Blue - Line In
Green - Line Out
Pink - Mic In
51 : Top : RJ45 LAN Port 2
Bottom : USB3.0 (USB3_01)
52 : 4-Pin Chassis FAN Connector (+12V)
53 : Top : USB2.0 (USB67)
Bottom : HDMI
J_SENSE
OUT2_L
1
MIC_RET
PRESENCE#
GND
OUT2_R
MIC2_R
MIC2_L
OUT_RET
A
T
X
P
W
R
1
Intel
Q77
D
D
R
3
_
A
2
(6
4
b
it
,
2
4
0
-p
in
m
o
d
u
le
)
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
2
(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
COM6
1
COM5
1
COM3
1
COM4
1
CMOS
Battery
HDLED RESET
PLED PWRBTN
PANEL1
1
Super
I/O
SATA2_2
SATA3_0
SATA3_1
SATA2_3
CLRCMOS1
1
CHA_FAN2
64Mb
BIOS
CPU_FAN1
CPU_FAN2
24.4cm (9.6 in)
3
0
.5
c
m
(1
2
.0
in
)
USB8_9
1
USB10_11
1
1
CI1
1
CI2
JGPIO_PWR1
1
PWR_JP1
1
1
LPT1
SET_CM1
1
1
SET_CM2
SET_CM6
1
SET_CM5
1
BUZZ1
M
IN
I_
S
A
T
A
1
JPWR1
JPWR2
USB12
1
JGP IO1
USB3_2_3
1
2
3
4
5
6
7
9
10
11
8
12
13
14
16
15
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
43
42
44
45
46
47
48
49
RoHS
IMB-770
Top:
RJ-45
USB 2.0
T: USB4
B: USB5
Top:
RJ-45
USB 3.0
T: USB0
B: USB1
USB 2.0
T: USB6
B: USB7
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
M
IN
I_
P
C
IE
1
PCIE2
PCIE3
PCI2
PCI3
ATX12V1
CHA_FAN1
TPM1
1
SET_CM4
1
SET_CM3
1
PCI4
AUDIO
CODEC
LAN
LAN
50
51
52
53
54
55
56
57
PIN Signal Name PIN Signal Name
1
SIO_GP24
2
SIO_GP20
3
SIO_GP25
4
SIO_GP21
5
SIO_GP26
6
SIO_GP22
7
SIO_GP27
8
SIO_GP23
9 JGPIO_PWR1 10
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
37 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
