Gigabyte Z370 HD3P User Manual page 16

Connect the power switch, reset switch, speaker, chassis intrusion switch/sensor 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.
Power LED Power Switch Speaker
2 20
1 19
Hard Drive Power LED
Activity LED Switch
Chassis Intrusion
Header
HD (Hard Drive Activity LED, Blue):
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
CI (Chassis Intrusion Header, Gray):
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.
NC (Orange): No connection.
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.
front panel audio module to this header. Make sure the wire assignments of the module connector match
the pin assignments of the motherboard header. Incorrect connection between the module connector and
the motherboard header will make the device unable to work or even damage it.
9 1
10 2
Some chassis provide a front panel audio module that has separated connectors on each wire
instead of a single plug. For information about connecting the front panel audio module that has
different wire assignments, please contact the chassis manufacturer.
(Power LED, Yellow/Purple):
Connects to the power status indicator
System Status LED
on the chassis front panel. The LED is on
S0 On
when the system is operating. The LED is
S3/S4/S5 Off
off when the system is in S3/S4 sleep state
or powered off (S5).
PW
Connects to the power switch on the chassis front panel. You may
(Speaker, Orange):
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.
Pin No. Pin No.
1 MIC2_L 6
2 GND 7
3 8
4 NC 9
5 10
- 16 -
Sense
No Pin
LINE2_L
Sense