ASROCK Fatal1ty X79 Professional Serie Manual De Instrucciones página 40

RESET (Reset Switch):
Connect to the reset switch on the chassis front panel. Press the reset
switch to restart the computer if the computer freezes and fails to perform a
normal restart.
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
system 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.4 No. 21)
Power LED Header
(3-pin PLED1)
(see p.4 No. 23)
Chassis and Power Fan Connectors
(4-pin CHA_FAN1)
(see p.4 No. 11)
(3-pin CHA_FAN2)
(see p.4 No. 20)
40
GND
+12V
CHA_FAN_SPEED
FAN_SPEED_CONTROL
GND
+12V
CHA_FAN_SPEED
Fatal1ty X79 Professional Series Motherboard
Please connect the chassis
speaker to this header.
Please connect the chassis
power LED to this header to
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).
Please connect the fan cables
to the fan connectors and match
the black wire to the ground pin.
CHA_FAN1, CHA_FAN2 and
CHA_FAN3 support Fan
Control.