34
Chassis and Power Fan Connectors
Please connect the fan cables
(4-pin CHA_FAN1)
to the fan connectors and
(see p.12 No. 9)
match the black wire to the
ground pin. CHA_FAN1/2/3 fan
(3-pin CHA_FAN2)
speed can be controlled through
(see p.12 No. 25)
UEFI or AXTU.
(3-pin CHA_FAN3)
(see p.12 No. 26)
(3-pin PWR_FAN1)
(see p.12 No. 2)
Power LED Header
Please connect the chassis
(3-pin PLED1)
power LED to this header to
(see p.12 No. 18)
indicate system power status.
The LED is on when the system
is operating. The LED keeps
blinking in S1 state. The LED is
off in S3/S4 state or S5 state
(power off).
CPU Fan Connectors
Please connect the CPU fan
(4-pin CPU_FAN1)
cable to the connector and
(see p.12 No. 4)
match the black wire to the
ground pin.
1 2
3
4
GND
+1
2
V
CPU_FAN_SPEED
FAN_SPEED_CONTROL
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 Speaker Header
Please connect the chassis
(4-pin SPEAKER 1)
speaker to this header.
(see p.12 No. 20)
GND
+1
2
V
CHA_FAN_SPEED
FAN_SPEED_CONTROL
GND
+1
2
V
PWR_FAN_SPEED
+
5
V DUMMY
DUMMY
SPEAKER
1
GND
+1
2
V
CHA_FAN_SPEED
GND
+1
2
V
CHA_FAN_SPEED
