Table of Contents
Advertisement
Internal I/O Connectors
X
COM (Serial) ports
USB7/8
PS2
JP2
JP3
VGA
COM 1
JP1
HDMI
DP++
LAN 2
USB3_1/2
USB2_1/2
LAN 1
USB3_3/4
USB2_3/4
Mic-in
Line-out
Line-in (opt.)
1
LAN LED
7
Front Audio
1
2
9
10
S/PDIF
1
2
6
1
5
JP23
1
Buzzer
1
Digital I/O
„ COM Port Pin Assignment
RS232
Pin
RS232
with PWR
1
DCD-
+12V
2
SIN-
SIN-
3
SO-
4
DTR-
DTR-
5
GND
GND
6
DSR-
DSR-
7
RTS-
RTS-
8
CTS-
CTS-
9
RI-
+5V
User's Manual | CMS631
JP4
CPU FAN
DDR4_3
DDR4_1
2
System
4
1
+12V Power
1
1
Fan 1
1
5
8
5
2
6
1
5
Battery
2
6
1
5
2
6
14
13
Socket LGA1151
1
5
LPC
2
1
12
24
ATX Power
1
13
1
2
Front
Panel
11
1
SPI Flash
JP27
BIOS
M.2 M Key
10
USB2
PCIe 1 (PCIe x16)
2
1
11/12
DDR4_2
DDR4_4
2
PCI 1
SATA 0
8
SATA 1
(R0)
Intel
(R1)
USB2_5/6
1
10
SATA 2
PCIe 2 (PCIe x4)
SATA 3
USB3_5/6
(R2)
Q470E/H420E
20
11
JP28
(R3)
SATA 4
1
PCI 2
1
(R4)
1
CN37
JP26
6
PCI 3
1
1
M.2 M Key
JP24
SATA 5
M.2 E Key
(R5)
2230
PCI 4
9
(Opt.)
COM4
2
1
5
1
JP10
PCI 5
6
2
SDJ2
5
1
System Fan 2
JP8
6
2
1
5
1
JP6
2
10
1
10
6
2
2
2
2
2
5
1
1
1
1
1
1
1
1
JP7
1
9
1
9
1
9
1
9
11
6
2
JP11/12/13/14/15
DIO
COM5
COM6
USB2_
USB2_10
COM2
COM3
System Fan 3
Power
9/14
2
1
9
RS422
RS485
Full Duplex
RX+
Data+
RX-
Data-
SO-
TX+
---
TX-
---
GND
GND
---
---
---
---
---
---
---
---
The pin functions of COM 2 port will vary according to setting of JP6, JP7, JP8 and JP10. Refer
to "COM1/COM2 RS232/422/485 Select" and "COM1/COM2 RS232/Power Select" in this chap-
ter for more information.
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.
Chapter 2
HARDWARE INSTALLATION
23
Advertisement
Table of Contents
