ASROCK 890GX EXTREME4 User Manual page 34

Connect the power switch, reset switch and system status indicator on
the chassis to this header according to the pin assignments below. Note
the positive and negative pins before connecting the cables.
PWRBTN (Power Switch):
Connect to the power switch on the chassis front panel. You may
configure the way to turn off your system using the power switch.
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
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.
Power LED Header
(3-pin PLED1)
(see p.12 No. 15)
Chassis Speaker Header
(4-pin SPEAKER 1)
(see p.12 No. 14)
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 chassis
1
speaker to this header.
SPEAKER
DUMMY
DUMMY
+5V
3 4 3 4 3 4 3 4 3 4