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12
NEX 813 User Manual
Chapter 2: Jumpers and Connectors
Chassis Fan Header
Connector type: 1x4 4-pin header
Connector location: CHA_FAN1 and CHA_FAN2
Pin
Definition
Pin
Definition
1
GND
2
+12V
3
SENSE
4
PWM
Internal Connector Pin Definitions
Audio Amplifier Header
Connector type: 1x4 4-pin header
Connector location: AMP_CON1
Pin
Definition
Pin
Definition
1
ROUTP
2
ROUTN
3
LOUTN
4
LOUTP
1
4
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!
4
1