22
Chassis Speaker Header Please connect the chassis
speaker to this header.
The front panel design may differ by chassis. A front panel module mainly
consists of power switch, reset switch, power LED, hard drive activity LED,
speaker and etc. When connecting your chassis front panel module to this
header, make sure the wire assignments and the pin assign-ments are
matched correctly.
Chassis Fan Connectors Please connect the fan cables
to the fan connectors and
match the black wire to the
ground pin. CHA_FAN2
supports fan speed control by
fan power voltage.
CPU Fan Connectors Please connect the CPU fan
cable to the connector and
match the black wire to the
ground pin. CPU_FAN1
supports fan speed control.
ATX Power Connector Please connect an ATX power
supply to this connector.
12
1
24
13
20-Pin ATX Power Supply Installation
Though this motherboard provides 24-pin ATX power connector,
it can still work if you adopt a traditional 20-pin ATX power supply.
To use the 20-pin ATX power supply, please plug your
power supply along with Pin 1 and Pin 13.
12
1
24
13
Serial port Header This COM1 header supports a
serial port module.
GND
+12V
CHA_FAN_SPEED
FAN_SPEED_CONTROL
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