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[22] Serial Port 4 Header(5*2 Pin 2.0 mm)
Pin Definition Pin Definition
1 JC4* 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
J_COM4
9 NC/JC4*
[23] Serial Port 4 Control Header(4*1 Pin 2.54mm)
Settings Function
1-2
PIN1、9 Output :5V
2-3
PIN1、9 Output :12V
JC4
3-4
PIN1、9 NC(Default)
[24] System Fan1 Header (3*1 Pin 2.54 mm)
Pin Definition Pin Definition
1 GND 2 + 12V
SYS_FAN1
3 N/C
* Used for CPU Fan
[25] System Fan2 Header (4*1 Pin 2.54 mm)
Pin Definition Pin Definition
1 GND 2 + 12V
SYS_FAN2
3 FAN Speed Detection 4 FAN Speed Control
[26]SATA Power Supply Header (4*1 Pin 2.00mm)
Pin Definition Pin Definition
1
+12V
2
GND
SATA-P1
3
GND
4
+5V
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