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.
Chassis Speaker Header
(4-pin SPEAKER 1)
(see p.2 No. 18)
Power LED Header
(3-pin PLED1)
(see p.2 No. 15)
Chassis and Power Fan Connectors
(4-pin CHA_FAN1)
(see p.2 No. 34)
(3-pin CHA_FAN2)
(see p.2 No. 7)
(3-pin CHA_FAN3)
(see p.2 No. 8)
(3-pin PWR_FAN1)
(see p.2 No. 1)
26
Please connect the chassis
speaker to this header.
Please connect the chassis
1
power LED to this header to
PLED-
PLED+
indicate system power status.
PLED+
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).
Please connect the fan cables
to the fan connectors and
FAN_SPEED_CONTROL
CHA_FAN_SPEED
match the black wire to the
+12V
GND
ground pin.
GND
+12V
CHA_FAN_SPEED
GND
+12V
CHA_FAN_SPEED
ASRock Z68 Pro3 Motherboard