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CS170-Q370/C246/H310
► Internal I/O Ports
Cooling Fan Connector
USB 1/2
DP2
USB 3/4
Audio
(USB 3.1 Gen2
(USB 3.1 Gen1)
/USB 3.1 Gen1)
VGA
LAN2
LAN1
LAN1
2
1
1
9
JP4
Front Audio
5
+12V Power
Realtek
ALC887
2
1
Chassis
Chassis
Chassis
Intrusion
Intrusion
Intrusion
2
5
PCIe Gen3
Battery
Battery
x16
1
1
3
Buzzer
3
1
System
DDR4_1 SODIMM
Fan
DDR4_2 SODIMM
4
1
DIO
Power
The fan connector is used to power a cooling fan. Cooling fans will provide adequate airflow
throughout the chassis to prevent overheating the CPU and system board components. The
4-pin fans provide PWM to modulate fan speed.
▼ PWM Fan Pin Assignment
Pin Assignment
1
Ground
2
Power
3
Sense
4
Speed Control
Chapter 2 - Hardware Installation
USB 7/9
(USB 3.1 Gen1
/USB 2.0)
COM1
DP1
COM2
2
6
M.2 2280
1
M Key
JP5
6
5
1
USB7/8
USB7/8
2
1
CPU Fan
2
(USB 2.0)
(USB 2.0)
2
10
8
2
1
SMI
▲ 4-pin
PWM Fan Connector
LVDS
(CPU Fan)
LPC
LPC
JP7
39
3
3
1
1
1
2
6
LVDS
JP10
SM BUS
Inverter Power
1
5
8
JP8
Intel
1
SATA0
1
C246/Q370/H310
SATA1
(R2)
JP1
ATX Power
8
1
DIO
Front Panel
► Internal I/O Ports
Digital I/O
USB 1/2
DP2
USB 3/4
Audio
(USB 3.1 Gen2
(USB 3.1 Gen1)
/USB 3.1 Gen1)
VGA
LAN2
LAN1
LAN1
2
1
9
Front Audio
+12V Power
Realtek
ALC887
PCIe Gen3
Battery
Battery
x16
Buzzer
System
DDR4_1 SODIMM
Fan
DDR4_2 SODIMM
The 8-bit Digital I/O connector provides powering-on function to external devices that are con-
nected to these connectors.
▼ Digital I/O Connector Pin Assignment
22
www.dfi.com
USB 7/9
(USB 3.1 Gen1
/USB 2.0)
COM1
DP1
COM2
1
2
JP4
5
6
M.2 2280
M Key
JP5
6
5
1
USB7/8
USB7/8
2
1
CPU Fan
2
(USB 2.0)
(USB 2.0)
2
10
2
8
1
2
1
SMI
Chassis
Chassis
Chassis
Intrusion
Intrusion
Intrusion
LVDS
LPC
LPC
JP7
39
3
3
Digital I/O Power
1
1
1
2
6
LVDS
JP10
2
SM BUS
Inverter Power
1
5
8
5
JP8
Intel
1
SATA0
1
C246/Q370/H310
1
SATA1
1
3
(R2)
JP1
3
1
ATX Power
4
1
8
1
DIO
DIO
Front Panel
Power
Pin
Function
1
DIO7
2
DIO6
3
DIO5
4
DIO4
DIO3
5
6
DIO2
7
DIO1
8
DIO0
GND
5VDU
+12V
5V
1
4
Digital I/O
1
8
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