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COM (Serial) Ports
RS232/422/485
Select (JP7)
PS/2 KB/MS
COM 1
USB 5-6
USB 2.0
RS232/422/485
Select (JP10)
COM 1
VGA
PTN3355
DVI-I (DVI-D signal)
DP++
VGA
Intel I219V (for KD330-H110)
COM 1:
LAN 1
Intel I219LM (for KD330-Q170)
USB 1-2
RS232/422/485
USB 3.0
LAN 2
KD330-Q170/H110
USB 3-4
LAN 1
USB 3.0
Line-out
Mic-in
PCIe 1 (PCIe x16 )
Realtek
PCI 1
ALC888S
S/PDIF
COM 7/8/9/10 (optional):
5
1
Buzzer
PCIe 2 (PCIe x4)
RS232
COM 7
COM 8
(optional)
(optional)
9
1
9
2
COM 9
COM 10
(optional)
(optional)
COM 2:
9
1
9
2
RS232/422/485
RS232/422/485
Select (JP7)
PS/2 KB/MS
COM 1
USB 5-6
USB 2.0
COM 1
RS232/422/485
Select (JP10)
COM1
VGA
PTN3355
DVI-I (DVI-D signal)
DP++
VGA
COM 1:
LAN 1
Intel I219LM
USB 1-2
RS232/422/485
USB 3.0
LAN 2
USB 3-4
Intel I211AT
USB 3.0
KD331-C236/Q170
LAN 3-4
Intel I211AT
PCIe 1 (PCIe x16)
PCIe 2 (PCIe x4)
Intel I211AT
2
6
COM 2 RS232/422/485 Select (JP11)
PCIe 3 (PCIe x16)
1
5
Front
Audio
COM 2 RS232/Power Select (JP14)
2
10
6
5
1
2
PCIe 4 (PCIe x4)
1
9
Realtek ALC888S
(JP13)
(JP12)
COM 2:
6
5
6
5
2
1
2
1
1
5
S/PDIF
RS232/422/485
COM 3/4/5/6: RS232
Chapter 5 Ports and Connectors
I C
COM 1
(DDR4_2, DDR4_4 for KD330-Q170 only)
DDR4_2
DDR4_4
1
3
1
4
DDR4_1
DDR4_3
2
6
2
6
COM 1 RS232/Power Select (JP9)
System Fan 1
CPU Fan
1
5
1
5
COM 1
2
2
6
6
COM 1 RS232/422/485 Select (JP8)
1
5
1
5
4
1
8
5
LPC
+12V
14
13
Socket LGA1151
Power
2
1
ATX
Power
Standby
Power LED
Front Panel
Intel
I211AT
LAN LED
Clear CMOS
Battery
SPI Flash
Data (JP1)
BIOS
1
3
1
3
Mini PCIe Signal Select (JP6)
(for KD330-Q170 only)
Mini PCIe
(for KD330-Q170 only)
Intel
H110/Q170
Nuvoton
NCT6106D
5
1
Nuvoton
6
1
iTE
SMBus
5
NCT5104D
IT8893E
(JP13)
(JP12)(JP11)
2
2
1
(optional)
(JP14)
2
6
2
6
2
6
2
USB 3.0
USB 5-6
USB 2.0
DIO
1
5 1
5 1
5
(for KD330-Q170 only)
USB 9-10
USB 7-8
1
1
9
1
9
1
9
1
9
1
19
11
1
1
9
2
10
1
2
2
2
10
10
2
2
2
2
COM 2
COM 3
COM 4
COM 5
COM 3/4/5/6: RS232
COM 1
System Fan 2
1
4
1
2
6
2
6
COM 1 RS232/Power Select (JP9)
CPU Fan
1
5
1
5
2
6
2
6
COM 1 RS232/422/485 Select (JP8)
1
5
1
5
4
1
8
5
LPC
+12V
Power
Socket LGA1151
14
13
TPM (optional)
1
2
ATX Power
Standby
Power LED
Front Panel
M.2 M Key
(for KD331-Q170)
M.2 M Key Supports
LAN LED
Optane Memory
(for KD331-C236)
DDR4_1
DDR4_3
DDR4_2
DDR4_4
SATA 3.0
1
7
SATA 0
Battery
Intel
1
7
SATA 2
C236/Q170
1
7
1
3
SMBus
Chassis Intrusion
SATA 4
Clear CMOS
5
1
2
1
Nuvoton
Data (JP1)
NCT6106D
2
SPI Flash
BIOS
USB 3.0
COM 2
COM 3
COM 4
COM 5
COM 6
USB 5-6
9
1
9
1
1
9
1
9
1
1
1
11
19
10
1
10
2
10
2
2
2
2
2
2
USB 9-10
USB 7-8
or Optional
Vertical USB
USB 2.0
Chapter 5
TPM (optional)
1 2 3 4 5
12
24
6 7 8 9
1
13
1
2
RS232
11
1
2
7
8
Chassis
1
Intrusion
2
SATA 3.0
1
7
SATA 0
1
7
9
1
SATA 1
1
7
2
SATA 2
1
7
SATA 3
1
1
3
2
RS232
COM 1 port
3
Please refer to the
"Rear Panel I/O
COM 2 port
The pin assignments of COM 1 will vary according to jumper settings (JP7, JP8, and JP10); the
12
24
pin assignments of COM 2 will vary according to the jumper settings (JP11, JP12, and JP13).
In addition, JP9 (for COM 1) and JP14 (for COM 2) are used to configure these ports to pure
RS232 or RS232 with power. Refer to "Serial Port RS232/422/485 Select" and "Serial Port
Power Select" in Chapter 4 for more information.
COM 3 to COM 6 (and the optional COM 7 to 10) are fixed at RS232.
1
13
The serial ports are asynchronous communication ports with 16C550A-compatible UARTs that
1
2
can be used with modems, serial printers, remote display terminals, and other serial devices.
11
1
2
7
8
Connecting External Serial Ports
1
7
Your COM port may come mounted on a card-edge bracket. Install the card-edge bracket to
SATA 1
an available slot at the rear of the system chassis then insert the serial port cable to the COM
1
7
connector. Make sure the colored stripe on the ribbon cable aligns with pin 1 of the COM con-
SATA 3
nector.
1
3
System
Fan 1
Buzzer
BIOS Setting
1
DIO
2
Configure the serial ports with more advanced options such as the RS485 auto flow mecha-
nism in the Advanced menu ("Super I/O" submenu) of the BIOS. Refer to Chapter 7 for more
information.
34
1 2 3 4 5
1 2 3 4 5
6 7 8 9
6 7 8 9
RS422
RS485
Full Duplex
9
9
1
2
RS422
RS485
Full Duplex
Ports" section in this chapter for more information.
1
2
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