Gigabyte B660M POWER DDR4 User Manual page 22

9) F_PANEL (Front Panel Header)
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.
F_ U
• PLED/PWR_LED (Power LED):
B_
• PW (Power Switch):
• SPEAK (Speaker):
• HD (Hard Drive Activity LED):
S
• RES (Reset Switch):
• CI (Chassis Intrusion Header):
• NC: No connection.
B S S
S 3
B_
B S S
Connects to the power status indicator on the chassis front panel. The LED
System Status LED
is on when the system is operating. The LED is off when the system is in S3/
1
S0 On
S4 sleep state or powered off (S5).
S3/S4/S5 Off
Connects to the power switch on the chassis front panel. You may configure the way to turn off your
system using the power switch (please navigate to the "BIOS Setup" page of GIGABYTE's website and
S
search for "Soft-Off by PWR-BTTN" for more information).
Connects to the speaker on the chassis front panel. The system reports system startup status by issuing
a beep code. One single short beep will be heard if no problem is detected at system startup.
1 2 3
Connects to the hard drive activity LED on the chassis front panel. The LED is on when the hard drive
is reading or writing data.
Connects 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.
Connects to the chassis intrusion switch/sensor on the chassis that can detect if the chassis cover has
been removed. This function requires a chassis with a chassis intrusion switch/sensor.
S
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
S F
front panel module to this header, make sure the wire assignments and the pin assignments are
_
matched correctly.
_
S _S
Power LED Power Switch
2
F_
1
Hard Drive Reset
Activity LED Switch
_S
U
_ _ 3
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Speaker
20
F_
19
Power LED
Chassis Intrusion
Header
_
S B_
_ S
S_
_ U
_
F_USB3 F
_ _B _
B
B
_
B
B
S _