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Jumper Settings
X
COM1/COM2 RS232/422/485 Select
JP2
JP4
JP3
USB7/8
2
4
PS2
JP1
1
5
8
2
6
JP2
1
5
2
6
JP3
VGA
1
5
(COM 1)
2
6
COM 1
JP1
1
5
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.)
PCIe 1 (PCIe x16)
1
2
LAN LED
7
8
PCIe 2 (PCIe x4)
Front Audio
1
2
9
10
S/PDIF
1
2
6
1
5
JP23
1
Buzzer
1
10
1
1
1
11
Digital I/O
JP11/12/13/14/15
JP1/JP2/JP3 (for COM 1) and JP6/JP8/JP10 (for COM 2) are used to configure the COM
ports to RS232, RS422 (Full Duplex) or RS485. When COM 1 RS232/422/485 is selected, JP1
and JP2 must be set in accordance to JP3. When COM 2 RS232/422/485 is selected, JP6 and
JP8 must be set in accordance to JP10. The pin functions of the COM ports will vary according
to the jumpers' setting.
User's Manual | CMS631
CPU FAN
DDR4_1
DDR4_3
1
System
+12V Power
1
1
Fan 1
5
Battery
14
13
Socket LGA1151
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
2
1
11/12
DDR4_2
DDR4_4
PCI 1
SATA 0
SATA 1
(R0)
Intel
(R1)
1
10
USB2_5/6
SATA 2
SATA 3
USB3_5/6
(R2)
Q470E/H420E
20
11
JP28
(R3)
SATA 4
PCI 2
1
1
(R4)
1
CN37
JP26
6
PCI 3
1
1
M.2 M Key
JP24
SATA 5
JP10
(R5)
M.2 E Key
2230
PCI 4
9
JP8
(Opt.)
COM4
2
1
5
1
JP10
JP6
PCI 5
6
2
SDJ2
5
1
System Fan 2
JP8
6
2
1
5
1
JP6
2
10
1
6
2
2
2
2
2
(COM 2)
5
1
1
1
1
1
JP7
1
9
1
9
1
9
1
9
6
2
DIO
COM5
COM6
USB2_
USB2_10
COM2
COM3
System Fan 3
Power
9/14
HARDWARE INSTALLATION
„ JP1/JP2 (COM1), JP6/JP8 (COM2)
2 4 6
2 4 6
1 3 5
1 3 5
1-3, 2-4 On:
3-5, 4-6 On:
RS232 (default)
RS422 Full Duplex
„ JP3 (COM 1)/JP10 (COM 2)
2 4 6
2 4 6
1 3 5
1 3 5
1-3, 4-6 On:
3-5, 4-6 On:
RS232 (default)
RS422 Full Duplex
Chapter 2
2 4 6
1 3 5
3-5, 4-6 On:
RS485
2 4 6
1 3 5
3-5, 2-4 On:
RS485
13
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