17
HDLED (Hard Drive Activity LED):
Connect to the hard drive activity LED on the chassis front panel. The LED
is on when the hard drive is reading or writing data.
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.
3W Audio AMP Output Wafer
(4-pin SPEAKER1)
(see p.8 No. 24)
1
PIN
Signal Name
1
SPK L-
2
SPK L+
3
SPK R+
4
SPK R-
Chassis Fan Connector
Please connect the fan cable
(3-pin CHA_FAN1)
to the fan connector and
(see p.8 No. 9)
match the black wire to the
ground pin.
Though this motherboard provides 4-Pin CPU fan (Quiet Fan) support, the 3-Pin
CPU fan still can work successfully even without the fan speed control function.
If you plan to connect the 3-Pin CPU fan to the CPU fan connector on this
motherboard, please connect it to Pin 1-3.
3-Pin Fan Installation
Pin 1-3 Connected
CPU Fan Connector
Please connect the CPU fan
(4-pin CPU_FAN1)
cable to the connector and
(see p.8 No. 27)
match the black wire to the
ground pin.
GND
+12V
CPU_FAN_SPEED
FAN_SPEED_CONTROL
1
2
3
4
ATX Power Connector (Input 9V-36V)
Please connect a DC power
(4-pin ATX12V1)
supply (9V-36V) to this
(see p.8 No. 1)
connector.
1-4 : GND
2-3 : DC Input
1
