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ASRock FM2A75 Pro4-M Motherboard
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/S3 sleep state. The LED is off
when the system is in 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 mod-
ule 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 as-
signments and the pin assignments are matched correctly.
Chassis Speaker Header
(4-pin SPEAKER1)
(see p.2, No. 19)
Please connect the chassis
speaker to this header.
Power LED Header
(3-pin PLED1)
(see p.2, No. 20)
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).
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