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▲ Internal I/O Connectors
COM Ports (J9, J11, J13, J15, J16)
2
4
1
PS2
+12V Power
USB7/8
1
5
8
5
JP4
COM1
Socket LGA1200
VGA
DP++
HDMI
LAN 1
USB3_1/2
USB2_1/2
LAN 2
USB3_3/4
USB2_3/4
Mic-in
Line-out
Line-in (opt.)
PCIe 1 (PCIe x16)
8
7
LAN LED
2
1
PCIe 2 (PCIe x4)
Front Audio
1
2
9
10
S/PDIF
1
J12
JP25
2
6
1
1
5
1
JP11
Buzzer
1
JP12
1
JP13
1
JP14
JP15
1
10
1
1
JP7
9
1
9
1
2
6
5
20
11
10
10
2
2
1
Digital I/O
COM3
DIO
COM2
Power
User's Manual | CMS631-Q470E/H420E
System Fan 1
System Fan 2
CPU Fan
DDR4_1
DDR4_3
1
1
1
Battery
13
14
LPC
2
1
12
24
ATX Power
13
1
1
2
Front
Panel
USB2_5/6
USB3_5/6
11
JP27
10
11
10
1
USB2 11/12
2
(Q470E only)
1
M.2 M Key
20
1
(For Q470 only )
DDR4_2
DDR4_4
PCI 1
SPI Flash BIOS
Intel
Q470E/H420E
JP5
JP28
Clear CMOS
PCI 2
1
JP24
1
Innoage Functions
M.2 M Key
6
5
(For Q470 only )
2
1
CN37
JP26
PCI 3
Innoage HDD Power
1
1
System Fan3
1
SDJ2
SATA 0 (R0)
1
PCI 4
M.2 E Key
1
2230
SATA 1 (R1)
(For Q470E (opt.))
1
SATA 2 (R2)
1
PCI 5
SATA 3 (R3)
1
2
10
9
1
9
1
9
1
2
2
1
1
1
10
2
10
10
USB2_
COM4 COM5
SATA 4
SATA 5
COM6
USB2_14
(R4)
(R5)
9/10
(Q470E only)
9
1
2
10
Connecting External Serial Ports
Your COM port may come mounted on a card-edge bracket. Install the card-edge bracket to
an available slot at the rear of the system chassis then insert the serial port cable to the COM
connector. Make sure the colored stripe on the ribbon cable is aligned with pin 1 of the COM
connector.
„ COM Port Pin Assignment
RS232
Pin
RS232
with Power
1
DCD-
+12V
SIN-
SIN-
2
SO-
SO-
3
4
DTR-
DTR-
GND
GND
5
DSR-
DSR-
6
7
RTS-
RTS-
CTS-
CTS-
8
RI-
+5V
9
Chapter 2
HARDWARE INSTALLATION
RS422
RS485
Full Duplex
RX+
Data+
RX-
Data-
TX+
---
TX-
---
GND
GND
---
---
---
---
---
---
---
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20
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