Series
Chassis Speaker Header
(4-pin SPEAKER1)
Serial ATA3
Connectors (SATA3_1:
see p.1, No. 12)
(SATA3_2:
see p.1, No. 11)
(SATA3_3:
see p.1, No. 13)
(SATA3_4:
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 system is in 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 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 assignments are matched correctly.
DUMMY SPEAKER
speaker to this header. (see p.1, No. 19)
1
DUMMY
Fatal1ty B450 Gaming-ITX/ac
Please connect the chassis
+5V
29