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14
NEX 813 User Manual
Chapter 2: Jumpers and Connectors
CPU Fan Header
Connector type: 1x4 4-pin header
Connector location: CPU_FAN1
Pin
Definition
Pin
Definition
1
GND
2
+12V
3
SENSE
4
PWM
CAUTION:
DO NOT forget to connect the fan cables to the fan
connectors. Insufficient air flow inside the system may
damage the motherboard components. These are not
jumpers! DO NOT place jumper caps on the fan connectors!
Digital I/O Header
Connector type: 2x5 10-pin header
Connector location: DIO1
Pin
Definition
Pin
Definition
1
DIO_P#1 (In_1)
2
DIO_P#2 (In_2)
3
DIO_P#3 (In_3)
4
DIO_P#4 (In_4)
5
DIO_P#5 (Out_1)
6
DIO_P#6 (Out_2)
7
DIO_P#7 (Out_3)
8
DIO_P#8 (Out_4)
9
+5V
10
GND
4
1
2
10
1 9