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CS331-C246/Q370
Chapter 2 - Hardware Installation
► Board Layout
USB 2.0 5-6 Power Select (JP21)
PS/2 Power Select (JP20)
COM 1
RS232/422/485
I C
Select (JP1)
(JP20)
PS/2 KB/MS
2
6
2
6
COM 1 RS232/Power
USB 5-6
Select (JP4)
(JP21)
1
5
1
5
USB 2.0
1
1
2
6
2
6
COM 1 RS232/422/485
COM 1
Select (JP3)
RS232/422/485
1
5
1
5
Select (JP2)
4
1
5
8
COM 1
+12V
HDMI
Power
DVI-I
(DVI-D signal)
DP++
USB 3.1 1-2
Power Select (JP15)
1
LAN 1
USB 1-2
Intel I219LM
USB 3.1 Gen 1
LAN 2
USB 3-4
Intel I211AT
USB 3.1 Gen 2
Line-in (opt.)
Line-out
Mic-in
PCIe 1 (PCIe x16)
1
USB 3.1 3-4 Power Select (JP16)
Buzzer
PCIe 2 (PCIe x16)
1
2
PCIe 3 (PCIe x4)
Front
Audio
USB 2.0 9-10 Power Select (JP18)
9 10
1
Realtek
PCIe 4 (PCIe x4)
ALC888S
19
1
1
1
S/PDIF
2
DIO
10
2
USB 9-10
or Optional
Vertical USB 9
USB 2.0
Chapter 2 - Hardware Installation
System Fan 1
DDR4_1
1
3
1
4
DDR4_2
CPU Fan
LGA 1151 Socket
M.2 M Key
Intel
C246/Q370
Battery
COM 2
RS232/422/485
1
USB 3.1 5-6
Select
Power Select (JP19)
(JP10)(JP6)(JP8)
2
6
2
6
2
6
1
10
SMBus
5
1
USB 3.1 Gen 2
1
5
1
5
1
5
1
20
11
2
USB 5-6
USB 2.0 7-8
COM 2
Power Select
2
6
Intrusion
RS232/Power
1
5
(JP17)
Select (JP7)
9
1
9
1
1
9
1
1
System
10
2
2
2
2
SATA 6
COM 3
COM 2
COM 4
USB 7-8
Fan 3
(CS331-C246 only)
DDR4_3
DDR4_4
LPC
14
13
2
1
TPM
(optional)
12
24
► System Memory
ATX Power
Standby
Power
LED
1
13
1
2
Front Panel
11
LAN LED
1
2
SPI
7
8
Flash
BIOS
Mini PCIe/mSATA Signal Select
(JP9)
1
SATA 3.0
1
Mini PCIe
SATA 0
1
Nuvoton
SATA 1
NCT6116D
1
SATA 2
1
Clear CMOS (JP5)
Chassis
1
System
1
Fan 2
1
1
1
SATA 5
SATA 3
SATA 3.0
9
www.dfi.com
Important:
Electrostatic discharge (ESD) can damage your board, pro-
cessor, disk drives, add-in boards, and other components.
Perform installation procedures at an ESD workstation
only. If such a station is not available, you can provide
some ESD protection by wearing an antistatic wrist strap
and attaching it to a metal part of the system chassis. If
a wrist strap is unavailable, establish and maintain contact
with the system chassis throughout any procedures requir-
ing ESD protection.
Important:
When the Standby Power LED lit red, it indicates that
there is power on the system board. Power-off the PC
then unplug the power cord prior to installing any devices.
Failure to do so will cause severe damage to the mother-
board and components.
I C
DDR4_4
DDR4_3
DDR4_2
Standby Power
LED
DDR4_1
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