1
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DDR4_1 DDR4_2
DDR4_3 DDR4_4
JP10 JP7
LGA 1511
PCIE1 (PCIe x16)
PCIE2 (PCIe x16)
PCIE3 (PCIe x4)
PCIE4 (PCIe x4)
KB/MS
USB 5/6
(USB 2.0)
DP++
COM1
Mic In
Line Out
Line In
Note
LAN2
USB 3/4
(USB 3.1 Gen 2)
LAN1
USB 1/2
(USB 3.1 Gen 1)
Buzzer
Battery
Intel
C246/Q370
ATX
power
Standby
Power
LED
1 13
12 24
1
210
1
210
USB 7/8 (USB 2.0)
S/PDIF
USB 14
(USB 2.0)
JP5
USB 9/10
(USB 2.0)
Note
1
2
19
M.2 E Key
2230
SATA0/1 (left/right)
SATA2/3
(left/right)
SATA4/5
(left/right)
SYS FAN3
SYS FAN2
1 1
M.2 M Key
224222602280
SYS FAN1
CPU FAN1
1
1
12
13
LPC
COM2
COM3
COM4
14
9
1 2
9
1 2
9
1 2
6
5
2
1
6
5
2
1
Front
Panel
LAN LED
1 2
11
1 2
7 8
SPI Flash BIOS
1
2
5
SMBus
1
JP24
Digital I/O (DIO)
1
Front
Audio
1
2
10
9
JP3
6
5
2
1
6
5
2
1
JP2
+12V Power
1
5
JP1 JP4
1
2
5
6
1
2
5
6
JP6 JP8
1
2
5
6
1
2
5
6
1
Chassis Intrusion
1
DP/COM1
HDMI
DVI-D
11
1 10
20
USB 3.1 Gen 2
(USB 5/6)
COM 1/2 Power Select JP4/7
Standard RS232 (default) 1-3, 2-4 On
RS232 with Power 3-5, 4-6 On
COM 1/2 Mode JP1/8 JP2/6 JP3/10
RS232 (default) 1-3, 2-4 1-3, 2-4 1-3, 4-6
RS422 3-5, 4-6 3-5, 4-6 3-5, 4-6
RS485 3-5, 4-6 3-5, 4-6 3-5, 2-4
Note:
Some components are optional and only available upon request.
Quick Reference
CS350-C246/Q370
Board Layout and Jumper Settings
933-CS3501-100G A-572-Q-2023
2Quick Reference |
Pin Assignments for I/O Connectors
COM Ports (COM 1-4)
Pin RS232
RS232
with PWR
RS422
Full Duplex
RS485
1 DCD- +12V TXD- Data-
2 RD RD TXD+ Data+
3 TD TD RXD+ N.C.
4 DTR- DTR- RXD- N.C.
5 GND GND GND GND
6 DSR- DSR- N.C. N.C.
7 RTS- RTS- N.C. N.C.
8 CTS- CTS- N.C. N.C.
9 RI- 5V N.C. N.C.
SMBus
Pin Assignment Pin Assignment
1 3V3SB 2 GND
3 SMB_CLK 4 SMB_DATA
5 SMB_ALERT 6 GND
USB 2.0 (USB 7/8, 9/10, 14 from left to right)
Pin Assignment Pin Assignment
1 VCC 2 VCC
3 Data- 4 Data-
5 Data+ 6 Data+
7 GND 8 GND
9 --- 10 N.C.
Clear CMOS Data JP5
Normal (default) 1-2 On
Clear CMOS Data 2-3 On
DIO Power Voltage JP24
5VDU (default) 1-2 On
5V 2-3 On
SMBus
1
5
2
COM 1
(DB9)
Note:
COM 3/4 only support
RS232 without power.
USB 7/8,
9/10
USB 14
COM 2-4
(left to right)
1
2
9
1
210
CS350-C246/Q370
3Quick Reference |
LPC
Pin Assignment Pin Assignment
1 L_CLK 2 L_AD1
3 L_RST# 4 L_AD0
5 L_FRAME# 6 3V3
7 L_AD3 8 GND
9 L_AD2 10 ---
11 SERIRQ 12 GND
13 5VSB 14 5V
Front Audio
Pin Assignment Pin Assignment
1 Mic2-L 2 GND
3 Mic2-R 4 N.C.
5 Line2-R 6 Mic2-JD
7 GND 8 ---
9 Line2-L 10 Line2-JD
Front Panel
Pin Assignment Pin Assignment
1 N.C.
PWR-LED
2 LED Power
HDD-LED
3 HDD Power 4 LED Power
5 Signal 6 Signal
RESET
7 Ground
ATX-SW
8 Ground
9 Signal 10 Signal
11 N.C. 12 ---
S/PDIF
Pin Assignment Pin Assignment
1 5V 4 GND
2 --- 5 Signal In
3 Signal Out
Front Panel
2
PWR-LED
HDD-LED
ATX-SWRESET
1
11 12
Front Audio
10
9
1 2
LPC
2 1
14 13
S/PDIF
1
CS350-C246/Q370
4Quick Reference |
LAN LED
Pin Assignment Pin
Assignment
1 LAN1_1Gbps 2
LAN1_100Mbps
3 LAN1_Link_ACT 4 3V3DU
5 LAN2_1Gbps 6 LAN2_100Mbps
7 LAN2_Link_ACT 8 3V3DU
Chassis Intrusion
Pin Function Pin Function
1 Signal 2 GND
Digital I/O (DIO)
Pin Assignment Pin
Assignment
1 GND 2
+12V
3 DIO_7 4 +12V
5 DIO_6 6 GND
7 DIO_5 8 5V
9 DIO_4 10 5V
13 DIO_3 12 GND
15 DIO_2 14 5VDU
17 DIO_1 16 5VDU
19 GND 18 GND
LAN
LED
1
7 8
2
DIO
119
2
Chassis
Intrusion
1 2
CS350-C246/Q370
DFI reserves the right to change the specications at any time prior
to the product's release. This QR may be based on editions that do
not resemble your actual products. For more documentation and
drivers, please visit the download page at go.d.com/CS350-C246,
go.d.com/CS350-Q370, or via the QR codes to the right.
C246 Q370
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DFI CS350-C246 Reference guide
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