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Overview of Components
JAUD1: Front Audio Connector
This connector allow you to connect audio jacks on the front panel.
1
2 10
9
1 MIC L 2 Ground
3 MIC R 4 NC
5 Head Phone R 6 MIC Detection
7 SENSE_SEND 8 No Pin
9 Head Phone L 10 Head Phone Detection
JCOM1: Serial Port Connector
This connector allows you to connect the optional serial port with bracket.
1
2 10
9
1 DCD 2 SIN
3 SOUT 4 DTR
5 Ground 6 DSR
7 RTS 8 CTS
9 RI 10 No Pin
CPU_FAN1, SYS_FAN1~2: Fan Connectors
Fan connectors can be classified as PWM (Pulse Width Modulation) Mode and Voltage
Mode. PWM Mode fan connectors provide constant 12V output and adjust fan speed
with speed control signal. Voltage Mode fan connectors control fan speed by changing
voltage. Therefore, when you plug a 3-pin (Non-PWM) fan to a PWM Mode fan
connector, the fan speed will be always maintained at 100%, and that could be noisy.
1
CPU_FAN1
1 Ground 2 +12V
3 Sense 4
Speed Control
Signal
1
SYS_FAN1/2
1 Ground 2
Voltage
Control
3 Sense 4 NC
PWM Mode fan connector Voltage Mode fan connector
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