Installation guide
English
18
Power LED Header    Please connect the chassis 
(3-pin PLED1)
    power LED to this header to 
(see p.6 No. 16)
    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).
Chassis Speaker Header    Please connect the chassis 
(4-pin SPEAKER 1)
    speaker to this header.
(see p.6 No. 17)
1
+5V
DUMMY
DUMMY
SPEAKER
Chassis and Power Fan    
Please connect the fan cable 
Connectors    to the fan connector and
(4-pin CHA_FAN1)
    match the black wire to the 
(see p.6 No. 23)
    ground pin.   
(3-pin CHA_FAN2)
(see p.6 No. 8)
(3-pin CHA_FAN3)
(see p.6 No. 15)
GND
+12V
CHA_FAN_SPEED
FAN_SPEED_CONTROL
GND
FAN_VOLTAGE
CHA
_
FAN
_
SPEED
1
PLED+
PLED+
PLED-
  PLED (System Power LED): 
Connect to the power status indicator on the chassis front panel. The 
LED is on when the system is operating. The LED keeps blinking 
when the sys-tem is in S1 sleep state. The LED is off when the system 
is in S3/S4 sleep state or powered off (S5). 
  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.










