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LAN LED
KD330-Q170/H110, KD331-C236/Q170
COM 1
RS232/422/485
Select (JP7)
PS/2 KB/MS
2
6
2
6
COM 1 RS232/Power Select (JP9)
USB 5-6
1
5
USB 2.0
1
5
COM 1
2
6
2
6
RS232/422/485
COM 1 RS232/422/485 Select (JP8)
Select (JP10)
1
5
1
5
4
1
8
5
COM1
+12V
VGA
Power
Socket LGA1151
PTN3355
DVI-I (DVI-D signal)
DP++
LAN 1
Intel I219LM
USB 1-2
USB 3.0
LAN 2
USB 3-4
Intel I211AT
USB 3.0
M.2 M Key
(for KD331-Q170)
LAN 3-4
M.2 M Key Supports
Optane Memory
(for KD331-C236)
Intel I211AT
PCIe 1 (PCIe x16)
PCIe 2 (PCIe x4)
Intel I211AT
Battery
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
Chassis Intrusion
Clear CMOS
1
2
PCIe 4 (PCIe x4)
2
1
Nuvoton
Data (JP1)
1
9
NCT6106D
Realtek ALC888S
(JP13)
(JP12)
USB 3.0
6
5
6
5
COM 2
COM 3
COM 4
COM 5
COM 6
USB 5-6
9
1
9
1
1
9
1
9
1
1
2
2
1
11
1
5
10
1
S/PDIF
2
2
2
2
2
The LAN LED connector is used to detect the connection state of RJ45 LAN ports when the
connection is made to an active network via a cable. The pin functions of the LAN LED con-
nector are listed below.
Pin
Pin Assignment
1
GBE_LED_1000-
3
GBE_LED_LINK_ACT-
5
LINK_1000_2
LINK_ACTIVITY_2
7
Chapter 5 Ports and Connectors
System Fan 2
1
4
1
3
CPU Fan
LPC
14
13
TPM (optional)
1
2
12
24
ATX Power
Standby
Power LED
1
13
1
2
1 2
LAN LED
Front Panel
11
1
2
LAN LED
7
8
DDR4_1
DDR4_3
DDR4_2
DDR4_4
SATA 3.0
1
7
1
7
7 8
SATA 0
SATA 1
Intel
1
1
7
7
SATA 3
SATA 2
C236/Q170
1
7
1
3
SMBus
SATA 4
3
5
1
System
Fan 1
2
Buzzer
SPI Flash
BIOS
1
1
1
19
DIO
10
2
10
2
2
USB 9-10
USB 7-8
or Optional
Vertical USB
USB 2.0
Pin
Pin Assignment
GBE_LED_100-
2
3V3DU
4
LINK_100_2
6
3V3DU
8
Chapter 5
44
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